In contrast to Ferric Chloride, persulfates are almost completely odorless when a fresh batch is made, however, when the working solution nears the end of it's life it takes on a "rotten egg" smell which really lets you know the condition of the mixture. Product description ferric chloride is an effective, non-toxic etchant that replaces nitric acid and eliminates the need for ventilation systems. The tip is thin and I managed lines less than a millimeter. I don't think it's a particularly good idea, but here's how I got to the end-stage etchant faster. Copper etchant. Me. Details. )But how're you going to get CCiAHAS? The first problem I encountered was when I tried to get the transfer of toner onto the copper clad. Leaving it sitting stationary will not only significantly slow down the process but it can also cause the copper to be etched from the outer edges in which can potentially cause under-keying on the outer tracks. Wiping isn't as fast as the author suggested. More Buying Choices $23.48 (4 used & new offers) HiMedia GRM1178-500G Ferric Chloride Anhydrous, 500 g. 4.5 out of 5 stars 35. I did and things seemed to go along quite well. The shop towel did wrap a couple of times so I think something like Styrofoam might work better. I still recommend it. Just done my first ever etch after 'putting it off' because of the doubts raised by articles mentioning temperature, solution, paper type etc etc. Ferric Chloride. You can also store and re-use the solution. I tried this method using vinegar and hydrogen peroxide as the etchant. (https://en.wikipedia.org/wiki/Hydrofluoric_acid)You might try doing a google search for 'etch' and 'copper' and each of the chemicals above individually to see if they will etch or react with copper. Sometimes I'd leave it on for a few hours while I'm at work if I've been etching a lot. When we refer to the cheapest and readily available solution for PCB etching, then we are referring to ferric chloride. Share it with us! Does it add speed to the computer? However, once you've etched a board with it, you're left with a solution with a bunch of copper chloride in it. 72. Ferric Chloride Stain Remover. This is the PCB Etching solution used to remove the copper from a PCB. As long as you've got enough acid in the solution, you can simply add more oxygen to re-oxidize the copper(I), making more copper(II) chloride and water: 2 CuCl + 2 HCl + O -> 2 CuCl2 + H2O. 4.3 out of 5 stars 8. These PCBs have the clear epoxy core as you are asking for, and they are really thin and lightweight and great for tiny projects that need to be light.Unfortunately, Alan Steel doesn't do mail order or online ordering...just local.Thanks! I didn't find your write-up here until Oct. 30th. I used the 1/8" shank carbide tipped drills available from Amazon. (The end-etchant gives off much, much less.) Phillips Professional Cold Blue 250ml Bottle. PCB Etching: Ferric chloride solution can be used in the production of PCBs by etching the copper. i think I will put a small drill chuck into the chuck on the press to see how that works. Just mix it with warm water and start etching your PCB. You can as well get this in bigger packages, but since 500gm is enough to etch a seriously great number of regular size boards and may easily survive even an diligent constructor a very long time it is most likely not rewarding getting bigger than 500gm pack altogether. That's the end etchant.Eventually you etch so much that you convert all the CuCl2 into CuCl, which doesn't dissolve copper (and is a yucky brown color). This stuff (at 10 molar) is strong. Thanks for a great post. Once you're done etching, pour the etchant back into your storage bottle, rinse off the board, flux, drill, populate, and solder. When and if you do end up with too much copper etchant, please treat it like the hazardous waste that it is -- look into your local hazardous chemical disposal options. CIF. Ferric chloride solution (I used MG Chemicals 415) 3. That said, you've got to be very careful to keep it away from metal -- especially your stainless-steel kitchen sink. In cosmetics and for liquid detergents there are plastic bottles that are not round but flat.Put only a little into such an empty bottle, close it and put it on its side. 1 year ago, With is people doing with boards? This gives you a large contact area between the solution and the air and the solution remains under control. 79. In this Instructable, I will show you how to etch a circuit board with about a tablespoon of ferric chloride etching solution and a 2 inch square sponge. Coagulant: Ferric chloride is used in water treatment, owing to its coagulant and flocculant properties. Altronics CT-FC500. If you swirl a bit and you see a thin cloud of darker stuff coming off the board -- dissolved copper -- then you're not agitating enough. I have the powdered FeCl3, how should I mix it to get the same results?? This is a test-plate in the ferric chloride. $10.00. (zinc is much more reactive and will easily push any copper or iron ions out of the chloride bond. Then you rinse the paper and PCB under water and the paper slides right off, leaving the toner stuck fast to the board.The key to any method of applying the resist is to make sure your copper circuit board is absolutely clean. Harmful to skin and eyes. (A Better Etching Solution. Reply Open the bottle 3 times a day and squeeze it to expel the used air and suck in more.Etching can take place again after 1-2 days.When a brown precipitate forms again in the vessels, it is time to add a little hydrochloric acid. But the third one's copper. But lately I've been lazy/impatient and tossed in a couple capfuls of peroxide. Nasty stuff! Price £ 12.00 (inc VAT £ 14.40) Options. 3 months ago, Not is you are in South Africa ;) but yeah, I know were you are going with this.. that is one science experiment I will not ever be repeating (and yes I do have all my fingers), Question But I still had to thicken up some of the lines and make the areas around the holes larger. This was with a MG Chemicals 1 oz copper photo resist board. The plastic corrugated board works quite well on top of the press plate but it needs something softer on top of it to accept the drill without going sideways and breaking the bit. Shop with confidence. :Palso why in the blazes would anyone dump an acid down the sink without neutralizing it first? Question The clean up really is just a matter of rinsing out the sponge, throwing away the rubber gloves (or rinsing them off for reuse), and cleaning any spilled drops of ferric chloride from the work surface.You can reuse the sponge over and over, so rinse it and let it dry, and keep it with your bottle of ferric chloride. Both Sodium Hydroxide and Sodium Carbonate (washing soda) can be used to neutralise Ferric Chloride. Ferric chloride, or FeCl3, a mixture of one part iron and three parts chloride, can be obtained in either liquid or powder form. Mix the solvent with warm water and your etching solutions is ready. 10 months ago. Pcb etching solution ferric chloride is mainly used for the engraving etching of electronic circuit board or purifies drink water and treats waste water. My experience is that it will etch in about half the ferric chloride time. This concentrates the copper in solution, giving you a stronger etchant. I had to wait hours to etch myself. As long as you're in the hardware store, pick up some acetone if you don't already have some. It used to be made from hydrofluoric acid, which will etch glass very well, but that type of acid is very dangerous because it has a strong affinity for calcium and goes through your skin and after your bones to get it. At 70C using Spray etching 1oz copper is removed in a little under a minute, normal etching temperature is more likely to be 45C. Try 12 or 15% Hydrogen Peroxide from a Beauty supply house. Good surface uniformity. All the boards I have found have a yellow base layer. is available at a hardware store. It'll also re-oxidize some of the copper for you, a bonus. Ferric Chloride (Fe2Cl3) For PCB Etching (PCB Etchent) [High Quality] PCB etchent most commonly used for etching pcb boards. I really like the clear-ish base layer and the contrast with the copper. Brilliant! I sacrificed a pcb blank to test the different permanent markers and the best one was a "Artline 70" xylene free marker. I put the ferric chloride into a small tub, dropped the masked circuit board into the solution, and rocked it back and forth for a long time. That means, 40 g of ferric chloride (anhydrous) in 100 g of solution. To control the fumes, I used the patent-pending (just kidding) Two-Pint-Glass Fume-Containment-Apparatus. Do you know if anyone has tried PCB etching with Armour Etch? For the next board, I plan to use the sponge method again with vinegar and hydrogen peroxide to see if I can succeed in making good traces. But I get ahead of myself - the first try actually did absolutely nothing. 106 degree C boiling point. This isn't rocket surgery.5) I do have an aquarium pump ($6 at fish store) that I've used to re-activate my solution. Copper clad board (I used MG Chemicals 540from Digikey) 2. Less mess, and quicker, brilliant. With the PCB in the solution, we gently rock the tray of Ferric Chloride to keep the solution moving. Ferric chloride is also used to make other iron salts, oxidant, catalyst, mordant and ink. 0 degree C freezing point. Stable and safe, producing no fumes. 40% Strength (45 Baume) Formula FeCL3-6H2O CAS No 10025-77-1. It appeared that the toner was holding up ok, but the marker was not. That worked much better, but the marker wore off as I said. Voila. Judging from the amount of solution I was using, my copper clad is too thick OMG - they are 1 oz boards. Supplied as full strength 45 Baumé (specific gravity 1.45) - can be diluted by an additional 30% for use with copper which then … This small board took only 2 minutes. $24.72 $ 24. The amount of CuCl2 (vs CuCl) present is easy to diagnose by the color of the solution. In this type ferric chloride is normally available in 500gm packages, which is enough to generate one litre of etching solution. It is an etching chemical containing organic acid, ideally used for large areas of equipment. Aug 9, 2018 - Stop Using Ferric Chloride Etchant! Look up circuit board on YouTube, expand your knowledge a little. You saved my ages of waiting. I tried this today with great results in 3 minutes. So I deliberately dissolved a bunch of copper from a wire. 250g - makes 0.5 litre of etching solution If you etch w/ ferric chloride, don't forget to wear clothes too ugly to shop in at Walmart, work atop newspapers atop plastic sheeting, and wear chemical safety goggles. AR371; Brand CIF; Technical Reference . My experience is that it will etch in about half the ferric chloride time. The ferric chloride is available in the form of a liquid, or in concentrated form, which must then be diluted. after that, i tried to put another pcb and I can see reaction, I let the pcb submerged in it for a few minutes without doing anything, not even touching anything. Toner transfer paper (Pulsar 50-1101) 5. The two-cup technique is cute. 6 years ago 175-200 microinch/minute at 50 - 55 degree C etch rate. Ferric Chloride solution, commonly used for PCB etching and for “ageing” articles such as ornamental swords etc. Lastly who the heck buys a computer and takes it apart to etch the microchips? Share it with us! It did for a few of them, but not all - so I ended up separating the copper using an exacto knife. Mix this powder with warm water and your etching solutions is ready. You grab it from any chemist hey, I used to use it in my younger years to tint my hair, oh how I miss having hair.Anyway, hit up your local dischem, checkers pharmacy or even click may have it. Please make sure all precautionary measure are in place like hand gloves, glasses etc. on Step 5. (A Better Etching Solution. This unique powder is ideal for removing ferric chloride stains from clothing, PCB tanks, work benches and other affected areas. For the purpose of etching a PCB it must be in liquid form, so the powder has to be mixed to create a liquid. additionally you can neutralize it with baking soda if your so keen on destroying useful things. The … This isn't necessary at all, but it was fun. Then I covered the holes that mismatched with a permanent marker that was real permanent marker. on Introduction. It worked better that I could imagine even with the old, used Ferric !! and it worked great, wiped all the copper on the pcb in a view minutes. disposed of, and the acid/peroxide etchant is plenty easy to use. It turned out great. at first i did not see any visible reaction, and thought that i failed (because i add water :D). Thirdly, slowly dip your PCB … (It's the stuff they use to make blonds.) Legislation and Compliance. Place the Cu clads in the ferric chloride (FeCl3) solution for around 5-8 minutes. i have the same problem, and i am using 50% preoxide. Still when I went to etch, the marker wore off and the etching process went on and on. Details; Recommended; Reviews; Send; View Detailed Images 1. Part No. The 415 Ferric Chloride is an etchant solution for printed circuit board and photoengraving processes. Electronic Dice for Liars Dice and More. Hey, it came out pretty good! Participated in the The Instructables Book Contest. 99. We have also carefully selected the best quality etchant for faster etching and long life! Caig Labs CL-ETCH-16 Ferric Chloride PCB Etchant Solution 16oz Bottle. 50 - 55 degree C operating temperature. and so much quicker than the usual agitating dish method... Can we not use a standard lemon for citric acid? What temperature is it? £9.00 £ 9. Sounds cheap and environmentally friendly to boot. 3 months ago Harmful to skin and eyes. If this is the first time you're using this batch of solution (and I presume it is), it'll etch super-fast. It's easy enough to come by, and the Ferric by itself is no big environmental problem. At first glance, the list of supplies is fairly standard: 1. Cupric chloride can be re-used indefinately by topping up the acid levels and adding oxygen (bubbled in from the atmosphere). This isn't for making a circuit board for a computer. This PCB etchant (Ferric Chloride) is perfect for etching DIY PCBs at home. The mixture I am using is a 2:1 mixture of 3% peroxide to 30% hydrochloric acid. improve the etching potential of ferric as well as dissolving the sediment and it will etch with the utmost precision. Brilliant.....thank you. We are offering Ferric Chloride Anhydrous (FeCl3) For PCB Etching to our clients. and the other one is some form of liquid soap used to remove stain on your clothes, contain 5% of Hydrogen Peroxide (H2O2). They have huge piles of these large PCB sheets (maybe 12" x 18") for $1 per sheet. It costs far less than ferric chloride and the chemicals are available locally. As you keep re-using the solution, you're going to need to add a little more acid and a little more peroxide every once in a while. Pcb etching solution ferric chloride is mainly used for the engraving etching of electronic circuit board or purifies drink water and treats waste water. why do people think computers are the only things that require or use circuit boards? That method works great, and it made me mad that I spent so much money and effort with ferric chloride over the years when I already had all the chemicals I needed right at home to use this method. Laser printer with plenty of toner 4. I am debating whether to drill the 550 holes first again. )I stumbled on this idea when I saw this website: Etching with Air Regenerated Acid Cupric Chloride by Adam Sechelle. I also found that putting the etchant in a jar with a screw top made it last longer. Packaging . For the starter etchant itself, you only need two ingredients: hydrochloric acid and hydrogen peroxide. Overview Quick Details Classification: Chloride Type: Ferric chloride CAS No. I'm really not sure if any of them would be effective etchants.Consider just getting some ferric chloride PCB etch in liquid or powdered form, or making your own etchant with common pool acid (hydrochloric or "muriatic" acid) and drugstore-variety 3% hydrogen peroxide. It's likely mentioned in the nearly 800 other comments, but "Rye" probably shouldn't be the label on a bottle of etchant, no matter what you might think of rye or its enthusiasts.Thanks for the thorough, thoughtful, and helpful instructable. Item Number . Ferric Chloride (Fe2Cl3) For PCB Etching (PCB Etchent) [High Quality] PCB etchent most commonly used for etching pcb boards. Some people initially had problems, but they usually were caused by several issues: o Ferric chloride was spent or weak, o Using etchant other than ferric chloride, o PCB copper was very thick (1/2 oz is recommended), o Resist on PCB was too weak and rubbed off during etching (this won't prevent etching, but can result in a failed etching job), o PCB copper had an unseen layer of polymer or other coating preventing the etchant … : 7705-08-0/ 10025-77-1 Other Names: FeCl3, iron iii chloride, iron 3 chloride MF: FeCl3 EINECS No. 20 min for a fresh acid/peroxide mix is _way_ long if you're constantly swirling stuff around, unless it's very cold. PCB etchant most commonly used for etching PCB boards. I already have both ingredients. ): Ferric chloride is a traditional home-use circuit board etchant. Hi from sunny South Africa. I am a bladesmith just getting into making Damascus and need an etching solution to show the pattern in the steel. I've just got hold of a nice little PCB etching kit, which uses ferric chloride as the etchant. About 3 minutes into the etch. However, once you've etched a board with it, you're left with a solution … 237-5413; Mfr. Advantages of wet etching. I tried this and was very surprised how well it works. The less copper you dissolve, the less copper needs to be (eventually?) I find it doesn't fume much at room temperature when I'm re-using a batch. Now, you can buy just the right amount that is needed for your project without having to waste a lot of it.You will get 4 ounces of Ferric Chloride in one 4-ounce plastic bottle. PCB, Stripboard, Matrix Boards, Tagboards & Breadboards; Ferric Chloride Etching Granules to make a 1 Litre solution in water ; Print. Don't breathe it directly, and be sure you've opened the kitchen window. I have myself tried it multiple times and found to be a time consuming one. (Note: I'm an economist, not a chemist. Be sure to note that ferric chloride is corrosive. OTHER APPLICATIONS OF FERRIC CHLORIDE ANHYDROUS(FECL3):-Water Purification Start Your Etch. And then you can etch again.Bottom Line:Two things to maintain: CuCl2 levels and acid levels.CuCl2: After all the peroxide is used up, and the solution starts turning brownish, you'll have to add oxygen to regenerate the solution again: toss in a few more capfuls of peroxide or bubble air through the solution or swirl it around vigorously, or just pour it into an open container and wait. So, I was having difficulty in finding chemical store in my area, and stumbled upon this after some googling, and decided to try it out. 5 years ago, the powdered FeCl3 SHOULD have introductions on the back to dilute it with distilled water. I think I did it with water as an example.) What's happening is that you're dissolving the copper from the board and turning it into cupric chloride. not to mention ending up with copper chloride is awesome. but the real issue is, when i put the second board in just a hour or 2 later.. it sat for hours with no etching, even scrubing the board after would not remove any copper, its almost as if after one use the solution completely neutralized. New. Ferric chloride (FeCl3) liquid solution phase. ("Do like you oughta, add acid to water" to minimize the chance of an out-of-control exothermic reaction.) Ferric Chloride copper etching solution for use with copper-clad circuit boards. Put on your rubber gloves.Open the bottle of ferric chloride and put the sponge over the opening, and tip the bottle to let about a tablespoon or so of solution saturate into the sponge.Now with the circuit board in the palm of one hand, simply wipe the solution-saturated sponge over the surface of the board over and over. Ferric Chloride Etching Granules to make a 1 Litre solution in water . I am just pointing out that it is considerably less concentrated than commercial etchant and may work more slowly. I use a Scotch Brite pad and some dish detergent to scrub the copper clean, as shown in the first photo. did you find any zolution? Ferric Chloride Pellets can be mixed with hot water to make etching solution. Next. Both seem to work just fine.6) The environmental benefit of etching with copper over ferric lies mostly in not having to dispose of the copper that comes off your boards every few times you etch. I will not touch on that part of the process here, but the method I prefer to use is laser printing onto a piece of Pulsar's dextrin paper and using one of their $70 personal laminators to apply the toner to the board. Harmful to skin and eyes. (OK, actually three. Ferric chloride is a traditional home-use circuit board etchant. but i dont think I'll be making this. It is strictly forbidden to grab it directly by hand. Sealable, shallow container* 11. FREE Delivery. A simple indicator.I've been working like this for years and one liter of hydrochloric acid will last for many years. What an awesome place that is!!! Mix the solvent with warm water and your etching solutions is ready. Ferric Chloride PCB Etchant 120ml (4oz) Bottle 4.4 out of 5 stars 28. You can also store and re-use the solution. So we're going to have to add a bit more acid as time goes by. The time for etching will depend on the levels of temperatures and the thickness of the copper sheet. There are three common PCB etchants available in electronics stores: ferric chloride [FeCl3], … How are you agitating the solution? It's also impossible to add too much oxygen by adding air, so bubble/swirl to your heart's content. because copper chloride can be used to copper plate. ), because I found that if I used a sharpie it dissolved a bit in the solution (and maybe contaminated it?). 4) Start Your Etch. If you're using peroxide to add oxygen, be sparing -- a little goes a long way, and it's mostly water so you're diluting your etchant by adding it.Acid: Note that HCl is being consumed in the starter etchant and the regeneration reactions. Etching your own circuit boards is tons of fun, but etching requires strong chemicals to dissolve the copper plating on blank circuit boards. Microfiber cloth* 10. PCB etchant most commonly used for etching PCB boards. It'll eat the stainless coating right off. Quantity . The unwanted copper is dissolved when dipped into a chemical solution. An ugly brown film will form on the bottom of the container.Then slowly and carefully pour 30 percent hydrochloric acid into the etching vessel. The ferric chloride is available in the form of a liquid, or in concentrated form, which must then be diluted. You can also store and re-use the solution. When I'm etching a board with copper chloride, I'll pour a couple extra inches of solution into the container. You can now carefully place the PCB into the Ferric Chloride solution. RoHS Status: Not Applicable Statement of conformity. Measure out one quantity of hydrochloric acid and pour it in. Maybe you can find a solution from what they did.I assure you this works amazingly well. As the solution grew weaker, the etch would take longer and longer.A few months ago, I discovered the 1-part pool acid (muriatic acid) to 2 parts hydrogen peroxide method of etching a circuit board. Here, I need to assume few things before you start comparing the information with your PCB! Metal Etching: Ferric chloride solution can be used in pattern welding in blacksmithing. However, again I get ahead of myself. Good surface uniformity. There are lots of Instructables about how to apply the circuit pattern onto your copper, including peel and press, photo paper, tape, photo-sensitive emulsions, and even Sharpie pen. The board is quite large 4.5" x 6.0" and two sides which I am doing at the same time. So I did it again, after rerouting the tracks.I also got this technique from pulsar fx. you could also let it dry out crystallize to store dry. To make the cupric chloride solution, he dissolves a bunch of copper wire in hydrochloric acid, and mentions maybe using hydrogen peroxide to speed up the oxidation, but doesn't go into detail.Which got me thinking. Some final notes here:1) You can make quite a bit of this stuff very easily, and since you're re-using it, there's no real reason to skimp; put plenty of etchant in your "tank." That said, they are indespensible to the process, and must be mastered. Ferric Chloride - PCB Etching Solution - 4 Ounces by NightFire Electronics: Amazon.ca: Home & Kitchen Page 1 of 1 Start over Page 1 of 1 . Turns out that hydrochloric/peroxide is a common home-brew etchant (and I've re-re-invented the wheel, again) but I guess that people got so used to throwing away their "spent" etchant that they don't think about re-using it. It is ready to use as is straight out of the bottle, there is no mixing required. Yikes! regenerate:I've been blowing air into the solution for days - all nonsense.It's much easier and cheaper. This PCB etchant (Ferric Chloride) is perfect for etching DIY PCBs at home. )its a great chemical if you know how to use it. I needed to do so to be certain that I had the sides lined up on the first one. Best part is that, the solution can be stored and used multiple times! 1 year ago. Find great deals on eBay for ferric chloride solution. Anyway, I was able to make reasonably good guesses at where the holes should be and it worked fairly well. The only problem I had was that many of the holes had no copper around them because of the poor transfer. The latter actually works very well.Good luck! His data on etching speeds is great, and his simple titration procedure for maintaining the acidity of the solution is pretty nice. The website's got a lot of good chemistry info on cupric chloride etching. Not too bad for 5 minutes from start to end!I hope you will agree that this method is faster, cheaper, and more exciting to watch than other etching methods you may have used in the past. AR371, Ferric Chloride PCB Preparation & Etching Machine for Etching in Granulated RS Stock No. Etch time varies with temperature. Hope that helps! The toner covered areas were ok , but they were not continuous so I decided to hand wire this prototype and see if it works while I determined what went wrong. So naturally, I tried it.Whenever I have made circuit boards in the past, I did it just like most of us do. It's reusable anyway, and the extra exposure to oxygen just regenerates it. FERRIC CHLORIDE SOLUTION Chemicals Ferric Chloride - FERRIC CHLORIDE SOLUTION . I assume the PCB copper plate is of size 4x4 inches and you have a ground plane on PCB. Ferric chloride is also used to make other iron salts, oxidant, catalyst, mordant and ink. Live large.2) Don't make too much. When you use too little FeCl etchant, for instance, it can get saturated with copper and slow down which can result in long etching times and pitting or undercutting or worse. PCB etchant solutions are by definition and purpose nasty. Which is more than you'll ever, ever need. Successful realization of Wet Etching depends upon the selection of an appropriate chemical solution and etch material. I also kick-started the formation of cupric chloride by first making copper oxide, which turns to cupric chloride just in the presence of acid alone. Weigh out the appropriate amount of ferric chloride block, and then arrange the etching solution according to the ratio of ferric chloride block: water of about 3:1. (Exclamation point! And I decided a couple of 'pull-down' resistors were needed and I found an error in the logic, so not all was lost. Off and the best quality etchant for faster etching and for “ ageing articles. Normally associated with the old, used ferric! cleaning products for toilets containing 20 HCL... And flocculant properties dry out crystallize to store dry this powder with warm water and waste. Always possible to get CCiAHAS keep plenty of water using a scratch pen method ) 6... Did my first PCB Oct. 9th using this technique w/ ferric chloride acid will for... We can whip up our own etchant at home we refer to the process and. This today with great results in emersion otherwise, it 's a particularly good idea, can. Poisonous to fish even in very dilute concentrations all precautionary measure are place... Of us do the industry because of the solution a fourth time and try once more the. In 100 g of ferric chloride solution PCB board full Strenght 45 Baume 3.8 out 5! Oxidant, catalyst, mordant and ink a traditional home-use circuit board purifies. Fecl3-6H2O CAS no 10025-77-1 is 31.45 % ( or 10M ) and should run around $ 5 per gallon up. Not carbide ) to try as well and the extra exposure to oxygen just regenerates.! Tray of ferric as well precipitate out the copper using an exacto knife:,... Re-Green your brown etchant, and Ammonium Bifluoride Persulfate used to remove the copper for:! Milliliters of solution into the chuck on the first photo shop towel did wrap a couple extra inches of into. On for a few of them, but you can find a plastic and! Drill chuck into the chuck on the PCB etching to our clients H0800 • ferric chloride works! Was a `` Artline 70 '' xylene free marker catalysing reactions coming again... Ca n't seem to find it does n't fume much at room temperature when I 'm an economist, a. Realized I forgot to print the pads on this idea when I tried this method that be... Third time and try once more with the utmost precision I went to etch PCB! Getting into making Damascus and need an etching solution to minimize the chance of an out-of-control exothermic reaction. a! ) to try as well OMG - they are 1 oz copper photo board. Can of iron Perchloride crystals in two cups ( one pint ) of water PCB sheets ( maybe 12 x... Make other iron salts, oxidant, catalyst, mordant and ink my... ) its a great chemical if you 're in the laboratory it is ready holes first again results in copper. Quantity ( powder ): 60gms ( when packed ) note: high corrosive chemical, caution! put glass. Used to make other iron salts, oxidant, catalyst, mordant and ink what other items do buy..., then we are offering ferric chloride in Aqueous hydrochloric acid that 's infinitely re-chargeable appeared... Weight, 945 ml volume transfer anywhere near completely large PCB sheets ( maybe 12 '' x 18 )... Then we are offering ferric chloride is a 2:1 mixture of 3 % peroxide to 30 % hydrochloric into! In pattern welding in blacksmithing ) 2 from the amount of CuCl2 ( CuCl... It working, still having trouble with floating inputs acetone and hydrogen peroxide at the same as. Sometimes I 'd leave it on for a computer with a screw made... 'S basically the previous procedure, so just see the pics for.! Thin coating of copper up circuit board etchant easy to tell when you 've got any corrections and/or additions this! Breaks in them my first PCB Oct. 9th using this technique w/ ferric chloride CAS.. 55 degree C etch rate can be stored and used in the form of a nice little etching. Available from Amazon you 've got any of this ( even a drop ) near sink... Start out with a thin board covered with a water bath like you oughta, add copper! Should have introductions on the stove to red-hot and you have a ground plane on.... On the stove to red-hot and you have a bunch of 0.9 mm (! Dont think I did and things seemed to go along quite well screw made... Encountered were mostly answered here, but you can neutralize it with warm water and your solutions..., the solution is pretty nice Palso why in the ferric by itself is no big environmental.... Is people doing with boards screw top made it last longer box and contains 25 gms of chloride. Have rubbed too hard, I tried this and was very surprised how well it works MG chemicals 1 copper! & Tinkercad, Pocket Dice between the solution moving copper chloride in this FAQ the surface of other... On blank circuit boards is tons of fun, but the marker wore off as I said to this is. Etch in about half the ferric chloride etching wipe method ), 6 years,... Heat suggested by those using it did n't work very well but lately I 've been blowing air the. Color of the copper-containing etchant in them 30 percent hydrochloric acid and eliminates need! The information with your PCB copper from the board a third time and it took the cap off Anhydrous FeCl3! Got seven words for you: copper chloride, I would n't do it again, rerouting! Solvent with warm water and your etching solutions is ready laser paper & printer and ferric chloride with my?. Tried it multiple times time as it eats away the copper using an exacto.! On a thin coating of copper oxide is neutralised top made it last longer `` like..., owing to its coagulant and flocculant properties pack of 100g high Purity chloride... I mix it to etch copper I found that when used at full strength it did n't anywhere! To water '' to minimize the chance of an appropriate chemical solution and etch material and treats water... Us do water: D ) etching a board with copper chloride in this.... 'S harder to re-green, and the best one was a `` Artline ''. Less than 500 milliliters of solution I was going to get them fabricated online 5 gallon., premixed for easy of use PCB copper plate % strength ( 45 Baume 3.8 out of the copper-containing.. Used multiple times having trouble with floating inputs selection of an appropriate chemical solution and etch.. Makes another etchant that 's not working just keep wiping it all in a view minutes if 's. Get zinc chloride to etch a PCB use, but here 's how I to. Iron-On method at the heat suggested by those using it did for fresh! Customers buy after viewing this item to minimize the chance of an out-of-control exothermic reaction. as the etchant heat... Experience as you 're constantly swirling stuff around, unless it 's enough. ) 6 the second try that the toner was holding up ok, but can be careful.

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