If you are having trouble getting Ferric, try using Muriatic. In our last etching video, linked below, we ended up using ferric chloride and then sulfuric acid, which didn't give the best results. [woocommerce-login-nonce] => The classic non-press method is to make a fairly high layer bar and then either drill it full of shallow holes that almost touch and onlygo about a third of the way through the bar OR punch those holes with a broad pointed punch, then forge the bar flat until the holes are at surface level. Damascus Steel rings are made of two alternating types of stainless steel, AEB-L and 302, forged together and worked by hand to produce vivid patterns. There you are, done! Yet another reason to prefer ferric chloride. If you are having trouble getting Ferric, try using Muriatic. As with all chemicals, make sure you are wearing the appropriate protective clothing and gear. KMT 106 - Etching Damasteel knife blades with muriatic acid JohnGrimsmo 76.1K subscribers Subscribe 126K views 7 years ago Damasteel is a powdered metallurgy stainless damascus steel. No need to go full strength to get results. The acid etching will need to be done outside or in a well-ventilated area, and you should wear rubber gloves and goggles from here on out. Sprinkle the mixture evenly across the surface of the prepared concrete. It will also make everything steel in the same room with it rust. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood, who strives valiantly; who errs and comes short again and again; because there is not effort without error and shortcomings; but who does actually strive to do the deed; who knows the great enthusiasm, the great devotion, who spends himself in a worthy cause, who at the best knows in the end the triumph of high achievement and who at the worst, if he fails, at least he fails while daring greatly." I'm not going to cover how to make damascus steel, there's lots of information online and it's pretty simple. It's known as muriatic acid and is sold in bulk at pool-supply and home-improvement stores. [save-account-details-nonce] => Pour the mixture into a plastic garden watering can. It is. We therefore recommend you check the strength of you solution and if necessary gradually dilute with water until you reach a strength of 42 baume. Professional Strength 31.45% HCL (Muriatic Acid), excellent for pH reduction in swimming pools or to clean and etch masonry surfaces, excellent for pH reduction in all commercial and residential pools.Find the ACID MURIATIC GAL at Ace. Add more acid if necessary. Damascus Etching. (Recipe varies between smith). Uses of Muriatic acid 1. I have noticed that Muriatic will produce a much shinier surface than Ferric, without a lot of the black that you would expect. Ferric Chloride - 1 Quart - 1000 ML - Copper Etchant Solution - Stainless Steel Etching Cream 4.6 (203) $2499 $22.49 with Subscribe & Save discount FREE delivery Tue, Feb 28 on $25 of items shipped by Amazon Small Business MG Chemicals - 415-4L Ferric Chloride Copper Etchant Solution, 4L Liquid Bottle 4.7 (269) $4835 - $6862 FREE delivery Put a tablespoon or so of baking powder in a saucepan of water and boil the piece for 10 minutes. This pattern is not the result of forge welding and folding as in pattern welded swords but rather because the chemical composition of the original billet. " Good point about the rust bluing. It needs to be heated on a hot plate or in a crock pot first. I have cleaned with soap and water, acetone, etc. Choose the acid you want to etch the steel with. The muriatic is available at big box home improvement stores or pool supply stores. Ken Fong Muriatic acid quickly dissolves efflorescence from concrete surfaces, and it removes other stains as well. The generally accepted shelf life of ferric chloride solution is approximately six months. For example: "You can also use Windex with this step, but do not try to break your piece. It is the ideal acid etch alternative. Muriatic also contains some other stuff, typically iron, which is already starting to become ferric. If too late.no problem that is how we learn. Mix cup of baking soda with 1-2 quarts of water and spray the muriatic acid to neutralize it. These bridges or buildings aroun, Make sure to wear regular gear when working with acids. Furthermore if forged in the correct manner you can make swords from it that depicts a pattern often likened to watered silk. and I did neutralize with baking soda bath as directed. Could have probably pypassed this step: dumped 1/2 gallon of phosphoric in the tank and sloshed it around with the cap shut and stoppers in. At 5-10 minute intervals, gently stir the copper etching solution to agitate the solution. Edit* I just realized folks already gave this answer. Etching with muriatic acid and hydrogen peroxide Flash001USA 9.59K subscribers 87K views 9 years ago This video covers etching circuit boards with a mixture of muriatic acid and hydrogen. Muriatic acid acts like liquid sandpaper by roughening the surface of the concrete. The concentration from such sources is typically ~8.9M, or 32% (by mass). Should I dilute ferric chloride for etching? Cleaning the concrete surface with Muriatic Acid is how to Etch Concrete. It is done by submerging the blade in an acid. It is AWESOME. Etching is done after all heat treatment is completed. Do not change before creativity! Bubbling air through it hastens the re-oxidation. To clean and etch concrete, mix one part muriatic acid to 10 parts water. This chemical solution needs to be heated to a temperature of between 160-185F (71-85C) in order to properly etch the metal. It's expensive, but amazing. It is commonly used to etch steel and stainless steel parts, but it is also capable of etching copper. Muratic acid is really not the stuff to use for etching especially inside your house or workshop. Pour the solution into your watering can you will reduce any splashing using the sprinkle nozzle and the solution will be spread evenly. Acid Etch: Disassemble your knife, and thoroughly clean and dry the part you're going to etch (blade, handle, or clip). Muriatic Acid will give a mirror/frosted finish on a polished finish and a lighter grey/grey pattern on a matte finish. But in Vegas Forge, they give that and more. Neutral Good: Clean blood cannot be washed off. I've been there before.. How do I heat-treat 3V/CPM-154 Damascus billet? Earn the Windex deep deep hole so that you can fully fill your Dutch item. The best thing about Muriatic acid is that it comes in a two gallon box for about $7 at Home Depot. Do not change before creativity! I did a simple twist as I like the way it looks. Great sense of humor and good information. [woocommerce-reset-password-nonce] => Dilute by adding 1 part of Muriatic acid to 10 parts of water or 1 cup of acid per liter. Don't use a metal container acid can corrode many metals, leading to the possible destruction of the container. Make sure your remaining distilled water does not last longer than a year. These chemical compound work faster than acids. How To Acid Etch Metal With Vinegar The Art Of Weapons. Toss the PCB into the solution and itll take off. For Pro's and DIY'ers, Klean-Strip is the leading brand of solvents, thinners, removers, and cleaners that are dependable for reliable results. ( Mix an acid solution by pouring 1 part acid into 10 parts water. Etching of Damascus is done after manufacturing or grinding of the blank to bring out the contrasting steel patterns. Can you use coffee to etch Damascus? Mix water and acid in 3 or 4:1 ratio. It will corrode everything in sight and do a number on your lungs. Once your Damascus is sanded to the correct grit, thoroughly wash it with alcohol and pat dry with a clean rag. Collectors should ensure to keep their blades clean and dry to avoid rust or staining. For ferric acid, keep the grit between 400 and 600. Tom, diluting muriatic doesn't make ferric chloride, no. Then you can either just let the solution be open to air for a few days or add a bit of the hydrogen peroxide and boom, ferric chloride. You can also make it, by adding Fe to HCl. Never use tap water, spring water, or filtered water - all will cause problems etc. Makes the material look like carbon steel Damascus. Don't mess with muriatic acid! So, your foliate results arent a surprise. Possible acids include muriatic (hydrochloric) acid (HCL), nitric acid (HNO3), or . 2 Remove any burrs on the edges of the steel. -- Theodore Roosevelthttp://stephensforge.com. Coffee Etching Damascus Steel | Knife Making How To/Tip. [woocommerce-edit-address-nonce] => Dissolve enough iron in ityes. The one thing you DO NOT want when etching Damascus is "fast"..that always equals a poor etch. How long does ferric chloride take to etch? Unless you get the vinegar to 400 degrees (Fahrenheit) or higher. you're good on temper. You can now pay for your purchase with 4 interest free installments. to 2 parts Hydrogen Peroxide (the common 3% kind that's sold in dollar stores & drugstores for $0.50 a pint) Warning!!!!! Most people use it cold, which is very slow. Begin the etching process. 157K subscribers in the chefknives community. Wash your piece with alcohol and pat it dry with a clean rag. Keep it submerged for 10 to 15 minutes. on Introduction. Etching of the metal surface is done to make visible the crystalline structure of the metal and to produce optical contrast between the various constituents. It is a straightforward process, which is used to enhance the appearance of the blade and bring the inherent pattern, lying in wait within the steel, to life. Following. No matter how effective it is. Avoid using acetone items because they leave the remainder then disturb the etch, and do not touch the sterile with your hands. Buffing closes steel pores, which will keep the acid from getting it and will end with an unusual etch. Apparently this neutralises the piece as well as helping to set the oxides. Putting acid on your travertine will cause it to initially bubble and fizz (CO2 escaping in the reaction). Soft aluminum can be etched with ferric chloride, using acrylic polymer paint as a resist. Acid etching a concrete floor is typically a 6-step process: Prepare, clean, and degrease concrete. Dampen the surface to be etched with clean water. After being etched the blank can be polished to give a stepped or contrasting look. Fill a plastic garden watering can halfway with the mixture. Brush or spray the acid solution on the concrete, wait eight to 10 minutes, then neutralize the acid by spraying. I've done several tests, using the same pieces of steel, same amount if vinegar at the same temp, etc, and nothing is working as well as the first batch. The pattern should be looking good. I was wondering about the thoughts of cold or rust blui Requests: Array Hydrochloric acid is a purer and more toxic form of muriatic acid. That is why I recommended you dilute the HCl way down with water, Michael. Damascus etching is completed with either ferric chloride or muriatic acid. It will rust almost immediately if you don't. interesting, what's the science behind that? How do you prepare ferric chloride solution for etching? You are using an out of date browser. Ferric chloride is one of the most widely used etchants in the field of chemical etching. Other, safer products are available for etching concrete and should be used . Dilute it about 4:1 water to acid. Sure, you can etch steel with hydrochloric acid; e.g. Apply it to a small area of wet concrete. Very nice blade! As many Damascus wars come from the market, consumers and new consumers in this matter want to know: Damascus is a solid iron? Actually, the process of efflorescence removal discussed above also etches the masonry. Once you're all ready, you're ready to pick up! Acid is generally mixed at a ratio of 3 parts water to 1 part acid for sufficient strength to etch properly. With clean water, dampen the surface to be etched. You can remove efflorescence and etch a masonry surface in one shot: Apply a 1:10 dilution of muriatic acid to water, let sit for a few minutes until you see the efflorescence lifting, then. We are currently having phone problems but we are open normal hours, ** total_quantity ** | ** unit_price ** / ** unit_measure **, Premium Full Tang Stainless Steel Knife Kits, Premium Folding Knives. The knife in the photo had 3 ten minute dips. I agree on the hammer ski Hello Jesse, The hardware store wasn't going to be very helpful in the middle of the night and I was about to put it all off to the next day when I realized I didn't actually care about how the etching was done . You can make a reasonable facsimile of ferric by dissolving steel wool in muriatic acid. Rinsed the inside of the tank thoroughly with water, then sloshed some baking soda and water inside the tank to neutralize any remaining acid, drained and rinsed again. You can do this by first mixing a small solution in your watering can starting at a 5:1 ratio. Essentially you forge weld 2 contrasting types of steel (I used 15N20 and 75Ni8) then manipulate it to make a pattern. Muriatic acid is diluted hydrochloric acid; it should be handled with extreme care. Before you start, check out the expiry date for your choice of acid to make sure it's too old. Our mission is preserving and promoting the ancient craft of forged knives through education, testing and certification. Buy NANFANG BROTHERS Damascus Kitchen Knife Set, 14 Pieces Japanese Knife Set Kitchen Knife Set with Block Wooden, 67 Layers VG10 Damascus Steel Chef Knife Set with Sharpener, Sharp Blades at Amazon UK. A place to talk about the use, maintenance, and acquisition of any It is a corrosive salt. Once you find that perfect constant companion, that you keep in your pocket or bag, a great way to set it apart, to personalize it, is with laser engraving! Your email address will not be published. Warm acid gives a much faster etch, but then you get less time to control what's happening. This is commonly sold in home improvement stores and pool supply stores in gallon jugs. The damascus is 5160/1018/15n20 nickle I heat treated in the canola got it cherry hot and dipped it tip down . Can you etch Damascus steel with muriatic acid? For this reason, true Damascus steel is called wootz Damascus steel to distinguish it from imitations. Radio Shack sells it online as PCB Etchant. You could use clear coat lacquer instead if you like. RadioShack carries pcb enchant, aka ferric chloride. The nice folks at Forseti have their own quality assurance system in place, and they design many of the more interesting knives in their catalog. I've personally gone as high as 6-1 dilution with ferric, but that took literally hours to obtain the depth of etch I wanted. What kind of places sell ferric chloride? Aside from being beautiful, Damascus steel is valued because it maintains a keen edge, yet is hard and flexible. It fumes a lot (toxic) and the fumes will rust everything in your shop. I do Oh well, looks like another one for the personal collec Thats one of them there corner daggers has no defect, one of the components inside the steel is not affected by etching, which makes it unacceptable Damascus to be a unique discovery when it's over. Does etching have to be done before temper, or can you etch first and have the pattern survive the process? The stronger the acid, the more damage will be done. What follows is a step-by-step tutorial on how to acid etch concrete with muriatic acid. I know at least one ABS Mastersmith that used muriatic acid to etch then blue their bladeshe doesn't much care for Floric Chlorideit isn't deep enough. Clean the blade. Is the pattern deep enough? Thank you Kevin. Thanks for the tips. This comes pre-diluted, but I am not sure what the dilution rate is. The strength of the acid generally determines how quickly the steel will be etched, the stronger the acid, the faster the process. [_wpnonce] => 3 years ago Using a broom, scrub the concrete with the acid solution. Pretty much unreadable due to very poor English. Dont touch it with your hands. In this video we show our new and improved process on how to etch the steel after heat treat to bring out that beautiful pattern. With ferric acid, keep grit between 400 and 600. Those rods and shoes represent an unlimited example made of synthetic steel derived from the art combination, a great quality of dedication and, above all, hard work. ), Copyright 2012 - 2020 American Bladesmith Society | All Rights Reserved, Bill Moran School of Bladesmithing at Texarkana College. Sorry for the repeat. Did you make this project? Powered by Invision Community, good movies, good books, smithing, leatherworking, woodworking, guitar. Damascus steel is a famed type of steel recognizable by the watery or wavy light and dark pattern of the metal. Use the finishing sandpaper to tighten the top of the slightly raised steel, and the other metal will remain dark and healthy, giving you the best difference. How do I heat-treat 3V/CPM-154 Damascus billet? Congratulations on your progress. Forseti Steel is a fairly new company that imports what appear to be high quality, handmade knives from Pakistan. thanks for advice does ferric acid freeze. Mix the muriatic acid with water (1:10 ratio) in a bucket with the water before the acid, as the other way around will damage the bucket. Never put acid on the microwave! Does muriatic acid etch metal? You will also need to wash a baking bar. In both uric acid and ferric chloride, the temperature should be between 70 and 100 degrees Fahrenheit, about room temperature. I degrease with multiple wipes of acetone on new paper towels each time, but some guys prefer dish soap and water or alcohol. Dunk it in the acetone again then allow to dry. as per: Fluid, Electrolyte, and Acid-base Balance, View all products of Market Price & Insight. We have Added Apple Pay, Google Pay & Facebook Pay to our check out. Mine is stronger :-),
Gerald Boggs
. I've been there before.. Step 1: Sanding Bring your Damascus to a 400 to 600 grit finish. 3:1, 4:1, or 5:1 distilled water to the FeCl are all commonly used dilutions. For etching, you'll find a confusing array of products, including standard muriatic acid as well as products such as Klean-Strip Green Muriatic Acid ($7.84 per gallon at Home Depot) and. If this is the first time youre using this batch of solution (and I presume it is), itll etch super-fast. It's often used in swimming pools to lower the pH of the water. Never put acid in the microwave! Copper can be etched with ferric chloride mixed in water to form weak hydrochloric acid. As soon as you're done, oil it. Neutralize the acid and Lightly sand the oxides off with scotch bright or 2000/3000 grit sand paper and re etch (don't touch it with your fingers). Even a single fingerprint will effect your acid etch, so be cautious. Adding HCl acid can restore the cutting ability of the FeCl3. Be extra careful at this stage not to touch it! How do I heat-treat my stainless Damascus after purchase? Damascus's iron is highly respected by its patterns like waves. Is it just lots of jelly rolls mushed together? and wear gloves, eye protection, and clothing. Don't touch it with your hands. This steel had been produced for 11 centuries, and in just about a generation, the means of its manufacture was entirely lost. We've made your buy experience less painful. Damascus Steel Knives | Hunting in Damascus. You can also use it to clean soot from fireplace bricks. Hardened and tempered steel etches with much more contrast. This is how I do it and it works for me. This product is a very strong acid that will clean dried cement products off stones, bricks, and other masonry surfaces. In your well-ventilated area, mix together one part muriatic acid to two parts hydrogen peroxide in a container thats big enough to fit the whole blade. on Step 8. Wash the black oxide off between immersions and perhaps brush lightly with non-abrasive kitchen Scotchbrite or 800 grit paper. Go MINIMUM of 3-1 dilution with DISTILLED water only. My favorite supplier of muriatic acid is any place that carries pool supplies. Sign up for a new account in our community. Ferric and Muriatic Acids work on Damascus Steels but will give 2 drastically different results. All you have to do is add a scrap piece of iron or steel to the muriatic acid (or hydrochloric acid; same thing) and wait for it to dissolve. Ferric chloride is dissolved in water. . I love watching Ilya's work. The basic process is as follows: After heat treating, bring your Damascus to a 400 to 600 grit finish. How do I heat-treat 440C/CPM-154 Damascus billet? Some manufacturers like to roll and cut the pieces into the WD-40 to get the darkest difference. Damascus Etching Is Completed With Ferric Chloride or Muriatic Acid Meet your sellers . Make Ferric Chloride (for etching printed circuit boards). ( Stainless Steel and Damascus, Kitchen Knives and Other Specialty Knives, Knife Making Parts : Finger Guards and Butt Caps, Metal Buffing, Grinding and Sanding Tools & Supplies, Knife Sheaths, Cases, Edge Guards & Displays, Hock Handplanes, Draw Knives & Spoke Shaves, Special Order & Construction Grade Products. Clorox wipes and Windex work well for cleaning. It is a matter of strength and timing. It's used to etch printed circuit boards. JavaScript is disabled. The iron will start reacting with the acid to produce hydrogen gas and ferrous chloride. Fill a glass jar with enough ferric chloride to cover the metal part. Tungsten, vanadium, and carbon impurities in the metal formed carbon nanotubules and stretched cementite spheroids that gave the blades their pattern and mechanical properties. By If you decide that you want to reverse one another, you can also make a quick frame by placing your teaspoon refined in acid for a few minutes and then entering a baking soda. Etching. Whats the proper technique for etching Damascus. For Sale: Custom & Semi Production Knives (Dealer), KnifeMaker's Market: Knives & More for Sale, Wanted: Knifemaker / Craftsman / Related Services, Busse / Swamprat / Scrapyard Knives For Sale, For Sale: Traditionals, Slipjoints, "Old Timey", International (Non-US) For Sale & Trade Forums. [woocommerce-reset-password-nonce] => Damasteel is a powdered metallurgy stainless damascus steel. Is it possible to etch Damascus with muriatic acid? FORGE, Jan 1, 2014 #4 Icho- Staff Member Likes Received: 154 Trophy Points: 63 Thanks Forge. (Add the acid to the water, not water to acid, for safety reasons.) Ferric and Muriatic Acids work on Damascus Steels but will give 2 drastically different results. No, you'll be just fine etching after the heat treat process. What is the Best 2x72 Grinder if you had the money? 03-25-2007, 09:56 PM. In a large nonmetallic bowl or container, mix 1 part hydrochloric acid with 2 parts hydrogen peroxide. Remember to wear safety goggles and gloves at all times. Let your piece remain in acids for 10 to 15 minutes. Vegas Forge. 5. This is commonly sold in home improvement stores and pool supply stores in gallon jugs. Each Damascus Steel ring is uniqueno two designs will look exactly alike. It is in a greatly reduced concentration compared to the 30% hydrochloric acid (muriatic acid). Will this stuff like sit in a jar without eating the jar? Step 1: The Requirements of Steel Etching: Ferric chloride Plastic container Distilled water Etch resist/stencil Acetone Cotton swabs and/or Q-tips Paperclip and/or dental floss Rubber gloves High grit dry/wet steel wool or sandpaper Step 2: Preparation of Etching Components The most important step in this whole process is preparation. "Regular" ferric chloride tion for future etching. 7. Everything you need to know about ChatGPT. Can you use muriatic acid to etch a knife? Ideally you want to test the strength needed first before doing the entire floor. Ferric Acid will result in a double grey pattern (dark and light grey pattern) on either a matte or polished finish. Etching Damascus is a fairly straight forward process that can enhance the appearance of a Damascus blade. Which type of steel you etch will determine the best acid or chemical to use to etch it with. Erik takes the lead with this video because it's his specialty, he shows how to clean the blades, prepare them for etching, etch them, neutralize them, polish after etching, and a lot of other little tricks in between. How do I heat-treat my stainless Damascus after purchase? Muriatic acid is a powerful and corrosive acidic liquid made from hydrochloric acid, water, and other trace minerals. When someone feels their ferric chloride batch has "gone bad", you can add a tablespoon or so of muriatic acid and regenerate it. Answer What kind of acid do you use to etch Damascus steel? Wanted to compare it with the home-recipe batch I made. Fill in the etches in good. In terms of polish: I go to 220 grit on a random orbit sander (the regular electric kind you get from Lowes or Home Depot). What Is ChatGPT? The "active ingredient" in ferric chloride solution is hydrochloric acid. thank will wait till summer then to try it. Works great. Eliminates the need to use harsh chemicals, provides a safer work enviornment . The only bad experience is the one from which you learn nothing. If you're using muriatic acid, you can bring the Damascus up to 1200 grit, or you can leave it at 400 grit. Phone Number: 541-684-4623E-mail: info@rideable.orgMailing Address:P.O. Hose down or dampen the entire area. Do not buff before etching! Make sure your steel is clean. You can repeat 5 and 6 steps for a deep etch if you wish. Read entire label prior to use or storage. Ive etched a couple of blades using lemon + lime juice and varying dilutions of vinegar. These products combine 50% of 50% of controversial rows in metal Damascus. I don't know if you need a specific concentration of ferric chloride for etching, but I can explain how to make any concentration of ferric chloride as well. [_wpnonce] => Muriatic acid is "hydrochloric acid" (HCl) in a less pure and diluted strength for non-technical applications like cleaning bricks. I've heard lots of different solution strengths, but 3 parts distilled water to 1 part fecl has worked well for me. Warm your acid to room temperature. When someone feels their ferric chloride batch has "gone bad", you can add a tablespoon or so of muriatic acid and regenerate it. The articles on this site are for informational purposes only. The When it comes to finish work, addition of the muriatic acid keeps Berthelot recommends sanding the copper from looking blurry, and to at least a clean 600 grit prior to keeps the material out of the solu-etching. In the video linked above, YouTuber TheSmokinApe acid-etches an ESEE blade with Frenchs mustard. Is there any difference with polish? Generally speaking, you want to be at about a 400 grit finish or better to get an even etch across the pattern. Weapons made from Damascus steel are vastly superior to weapons formed from iron! I dont own any Damascus and this is my first, so is that normal? Put on your protective gear. I don't think I'd ever do this, but, dang, I found the whole instructable fascinating. Water down with 4 parts water to 1 part ferric. There are two ways (at least) to do Raindrop that are much easier than doing a mosaic of jellyroll, one for use with a hydraulic press and one for use if you don't have a press. This comes pre-diluted, but I am not sure what the dilution rate is. Step 4: Mix the Etch Acid Put on your rubber gloves. It can also be used to remove soot from firebricks. 3D Printed Futuristic Space Age Wall Clock. Etching a stainless damascus steel knife (or any damascus) is not as complicated as many people tend to believe. Nitric Acid - mixture of 5 - 10% nitric acid with the balance being alcohol. No matter how effective it is. The key is to have the knife sanded and finished properly, then etch, then neutralize, then only VERY lightly sand it just enough and stop. Leave the copper blank in the solution for at least half an hour. Follow Damascus etching is completed with either ferric chloride or muriatic acid. So less about etching and more about patterns, how does one make raindrop damascus? Damascus etching is completed with either ferric chloride or muriatic acid. Ive started working on damascus recently, and I know that ferric chloride is the way to go for etchant, but until I can get some I've been using vinegar just to get an idea of my patterns and such. While high in carbon steel, the blade can easily rust if not cared for. Large Damascus is made of high quality, and the construction process carefully guides no voids, cracks, or hazardous expulsions while working with metal. Muriatic Acid, Ferric Chloride, Radio Shack PCB Etchant (Computer board etching solution) and I have he. [save-account-details-nonce] => A flask of cold water on top is useful to reduce evaporative losses.
etching damascus with muriatic acid