Repair water drips ASAP. It appears the tub was refinished, although perhaps the white coat was applied at the factory. Which helps to remove in bedded containment’s, like bath oils, conditioner, soaps and body oils that can avoid the covering from sticking. The piece is put into the acid bath and agitated every 10 minutes or so. Hydrofluoric (HF) acid has become the most common material used for acid etching. It may have been lightly etched during the refinishing process which would create the haze. Making use of HF Acid Etching Bathtubs throughout tub refinishing also includes a deep cleaning component to the process. TEMPERATURE HEAVY GAUGE (.250"/7MM) 95°F/35°C. Printing plates, decorative plates, jewelry, and knife blades are all popular items to etch. You won’t find HF acid sold to the general public as it can be lethal it not used correctly. Step 6: Dry Tub Again – Use the terry cloth towels and hair dyer to ensure total dried surface. Tub Refinishing Buffalo New York. Etching the Plate: Now that the plate has been worked, it needs to be put in an acid bath. For a grill you’ll need a high temp coating. $150 per door, 50 per drawer. For more information on Fiberglass Tub Refinishing go here. You can contact me via the contact form or call 301-262-6012 ask for Paul and I can get a 5 oz jug of #8 to you. A buffing tool is the easiest but can be done by hand. It comes in rough, med and fine. Any staining should occur, use a Rubbing compound to remove. OPEN AREAS CAN BE ETCHED OUT WITHOUT PAINTING DEAD METAL, ELIMINATING ROUTING. They can’t easily ship it to their franchises. I removed the white coating which was one thick coating, with citristrip and am down to the blue gray tub. I have etched in undiluted ferric chloride but it gives a harsh etch. For more information on Ceramic Tile Refinishing go here. BATHTUB & TILE REFINISHING ARTICLES: The History of Bathtub Refinishing; Bathtub Liner Systems vs Bathtub Refinishing ; Choosing the Right Bathtub and Tile Refinishing Products; How to Refinish a Bathtub Correctly; Why The Shurbond® Bathtub … Anodizing The most prevalent anodizing is done with sulphuric acid. Great topic I need to spend some time understanding this more. Iif you dont etch you will not have good adhesion and it WILL peel. If the pipe leaked at any point the acid would also be caught by the pail. XIM Etch-l-M is a brushable etching cream that will dull or etch the surface of hard, silica based materials such as porcelain, porcelainized steel construction panels, tile, glazed block and glass. Rust-Oleum ® Specialty Tub & Tile Etching Cream is easier than sanding and works in minutes. Some of these baths that KCH has designed exhaust/ventilation and scrubber systems for contain Nitric Acid, Hydrochloric Acid, Hydrofluoric Acid, Phosphoric Acid, and Ferric Chloride, all in one multi-acid etching bath. Sole proprietors are not required to carry it. In my testing, I’m getting equal results whether or not I’ve etched. TubPotion is a submerged coating, along with the multistep system makes for a permanent repair. 15-30 minutes should be planned for the etching process. I left the outside front of the tub white as the paint/enamel/epoxy whatever it is, is just fine. What You Don't Know Could Cost YOU! Is there a way to determine if I have enamel over steel instead of porcelain over cast iron tub? Toll Free: 1.800.872.8827 Local: 716.741.9450 Email: [email protected]. This makes an incredible foundation for Tub Potion # 13 protective polyester hybrid topcoat. Essentially, HF acid corrodes the surface of the bathtub. Although it is a is form of acid, it is a lot less dangerous than Muriatic Acid (pool acid), and does not give off the same smell or smoke. Home improvement Savannah Ga August 24, 2014 at 12:33 am. The length of time the plate has to spend in the acid bath is dependent on how strong the acid is and how much plate you have exposed. This copper plate should then be inked, wiped, and printed. Toll Free: 1.800.872.8827 Local: 716.741.9450 Email: [email protected]. The length of time the plate has to spend in the acid bath is dependent on how strong the acid is and how much plate you have exposed. It’s an aliphatic (non-yellowing) 2 component chemically harden coating, highly scratch resistant and lies flat as glass. Apply the acid to the steel in the stencil. Please don't hesitate to contact us! https://imgur.com/a/Mtu8wuS This part of the process abrades the surface, as the kiln-fired surface is to hard to abrade by sanding. Regeneration. It is also corrosive to pipes if not properly neutralized before being washed down your drain. It actually removes the glossy surface glaze. BATH FORMULA NITRIC ACID* (42°Bé) 20% BY VOLUME, REV- FLEX OR X-FLEX 5% BY VOLUME, WATER 75% BY VOLUME. Reglazing of fine, antique porcelains requires removal from the bathroom, transportation to a shop, and dip-glazing. Acid-etched glass is also more resistant to smudges and fingerprints compared to sandblasted glass. It is formulated into a thick brushable cream to minimize runs, drips and splashing. General requirements for bath compositions are listed in the sections for each special process. Step 7: Sand the Tub – Sand the tub with an orbital sander and 80 grit sand paper. When mixing always pour the acid into the water. For more information on Clawfoot tub refinishing go here. Dedicated customer support: Get the answers to your questions when you call by a knowledgeable on staff consultant. That is a cast iron tub with porcelain fired over it. REPLENISH NITRIC ACID* 42°Bé AT A RATE OF 200 MILLILITERS PER OUNCE OF ETCHED MAGNESIUM. Ant help would be greatly appreciated. Done properly should last 15+ years, depends on the quality and the care the coating receives. The acid that works on porcelain and enamel bathtubs is hydrofluoric acid or HF Acid, the concentration we use is 10%. What may work is a water based concrete sealer hi-gloss, which would need to be re-applied every so often as needed. How To Find Bathtub Refinishing Scams Before Losing A Bundle! I have found that short (40 second) dips with quick rinses under the tap gives me the best results. Remember to dry the tub after every use and fix leaks that could cause staining. phosphoric acid for etching silicon nitride) must be heated to give a sufficiently high etch rate. Lightly sand and vacuum the bathtub; Possible acid etching; Fill and sand chips and scratches; Drop-cloth all areas around the tub; Spray-paint up to 3 coats of a primer, then let dry; Apply three to four layers of topcoat mixture; Possible final buffing; Note. A porcelain bathtub can develop rust stains that will mar its beauty as well as attract mold and mildew over time. 1. Rust-Oleum 7860519 Tub and Tile Refinishing 2-Part Kit, White 2 Pack. Gloves should still be worn so not to be adsorbed into your skin. The bath’s etch rate shall be determined and the etch time adjusted to guarantee the minimum metal removal is achieved on that day. Secure screw-top plastic container to dispose of used etchant. Critics of acid etching point out that the acid must be properly neutralized before being washed down the drain or it can damage pipes, as well as the environment. Acid etching can fail because even the smallest amount of moisture under the new finish at the tub’s edge or around the drain can blister and force the new finish to let go and peel. The use of buckets or other containers with tight-fitting lids is not permitted as there is a potential for pressurization. Hey James, while we still use etch, the use of our Silane adhesion promoter has made etching no longer necessary. These Untold Installation Tips Will Keep Water From Getting Under Your Tub Liner. https://www.ebay.com/i/293221236351?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=293221236351&targetid=809743904305&device=c&mktype=pla&googleloc=9007720&poi=&campaignid=6470497915&mkgroupid=80514769434&rlsatarget=pla-809743904305&abcId=1141156&merchantid=6296724&gclid=CjwKCAiA5o3vBRBUEiwA9PVzaieRqM75NN_q7fUclrmKvaSkw7ApiYT8CyHC9PPiB6oj0niJn6wjjBoCQYwQAvD_BwE, Hello, Should you still etch a tub if it’s never been refinished before ? Step 1, Choose the type of steel you want to etch. Most refinishers use hydrofluoric acid to chemically “etch” a porcelain or ceramic tile surface in an attempt to make their coating “stick.” Hydrofluoric acid is so strong that it actually eats away the porcelain, creating “pits” and a rough area for the new coating to hold onto. Microscope view of HF acid etching bathtubs surfaces providing “Mechanical Adhesion”. So the original question begs to be answered… why does Miracle Method & other bathtub refinishing contractors mislead the public about HF Acid Etching Bathtubs?…. Let us pass the savings on to YOU! Which helps to remove in bedded containment’s, like bath oils, conditioner, soaps and body oils that can prevent the coating from adhering. If you don't feel comfortable taking the knife apart then ensure to mask off any part of the knife you don't want to get the acid on. We are a real brick & mortar company with a 5000 sq. Each Miracle Method franchise is independently owned and operated. Refer to charts on last page. Finding a Miracle Method Office If you read Miracle Methods web site their rational for not using HF Acid is completely anti logical and miss-leading. Do you have any suggestions? For acid baths, use rectangular or cylindrical containers in the smallest appropriate size. Acrylic Wall Surround Will Crack If This Is Not DONE! Thanks for excellent information I was looking for this info for an upcoming project. Copper chloride, sulfuric acid or iron-III-chloride is used to remove the exposed co... >more. It actually removes the glossy surface glaze. By swiveling the circuit board, some oxygen comes into the etching bath, which accelerates the PCB etching process. Acid etching is followed by a brief caustic soda etch to remove the “sparkle” imparted by the acid etching. Called “Mechanical Adhesion“. Repeat customers: and referrals mean very little advertising cost. Great topic I need to spend some time understanding this more. Muriatic acid is just a 30% solution of hydrochloric acid in water. Organosilane coupling agents have been shown to dramatically improve the adhesion of polymeric resins to substrates such as glass, silica,alumina or active metals. You can etch stainless steel, mild steel, or high-carbon steel. Stop playing phone tag with under staffed contractors. Which helps to remove in bedded containment’s, like bath oils, conditioner, soaps and body oils that can prevent the coating from adhering. HF acid. Great topic I need to spend some time understanding this more. Baking soda to neutralize the acid. Excellent quality: by true professionals means quality application making your bathtub refinishing not only last longer but makes it look brand new. Checkout the other ho… The finish will continue to peel as moisture works its way underneath and compromises the mechanical bond. How to refinish a bathtub correctly by Bathtub Refinishing Expert Neil Munro. This technique, known as mechanical adhesion, applies to many fields of industrial repair. Miracle Method uses its own proprietary, acid-free bonding agent, MM-4. The more exposure you have, the more active the acid; meaning less time in the bath. Mild HF acid is even sold at craft stores for decorative glass etching art. Start the Tub & Tile Refinishing Kit with fast-working Etching Cream. I did contact MM and after reading your article realize I need a different option. If you have a higher concentration of hydrogen peroxide, be sure to dilute it to 3% before mixing anything. Wear polyurethane gloves. Bathworks EZ Etch Etching Paste is used to remove any residual finish that remains on porcelain or ceramic surfaces prior to the refinishing process. Etching acid doesn’t always work. https://www.ebay.com/i/293221236351?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=293221236351&targetid=809743904305&device=c&mktype=pla&googleloc=9007720&poi=&campaignid=6470497915&mkgroupid=80514769434&rlsatarget=pla-809743904305&abcId=1141156&merchantid=6296724&gclid=CjwKCAiA5o3vBRBUEiwA9PVzaieRqM75NN_q7fUclrmKvaSkw7ApiYT8CyHC9PPiB6oj0niJn6wjjBoCQYwQAvD_BwE, Storage containment is needed to store it, which is costly. It appears to be brushed on. That's right, a bath of acid! What Will Your Refinishing Contractor Do About Them? The grey to black smut is the insoluble alloy residual when the aluminum is etched away. This microscopic texture permits the paint to adhere. That's right, a bath of acid! In a fresh bath silicon oxide is removed by ortho -phosphoric acid , but as the SiO 2 concentration continues to increase over time in the etching solution the etch rate of SiO 2 from the wafer surface decreases. Step 6: Dry Tub Again – Use the terry cloth towels and hair dyer to ensure total dried surface. Required fields are marked *. To take full advantage of single-acid etching requires a systemized approach. Monique. Rustolem makes a nice product for painting grills, in black and off white. It requires stripping the tub, an additional cost to you, but the job will be done right. As a method of printmaking, it is, along with engraving, the most important technique for old master prints, and remains in wide use today. Good luck, Paul Burns. You can leave the burrs on the other side if you're etching a steel plate.Step 3, … I doubt you’d be able to restore the original finish. XIM Etch-l-M is a brushable etching cream that will dull or etch the surface of hard, silica based materials such as porcelain, porcelainized steel construction panels, tile, glazed block and glass tile. Depending on the temperature of the etching bath, approx. Although it is a is form of acid, it is a lot less dangerous than Muriatic Acid (pool acid), and does not give off the same smell or smoke. Rubber/latex gloves; Face mask and eye protection. An acid bath can be used several times for the same type of metal, but separate baths must be made for each metal. No, the Silane is not an acid. Etching acid is corrosive. Used alongside any Bathworks do-it-yourself refinishing kits and in combination with good preparation, EZ Etch creates an undeniable bond that achieves the "like factory new" finish. This will be fine for etching. Nearly 25% of Miracle Method’s work is fixing an acid etching refinisher's failed job. Which type of steel you etch will determine the best acid or chemical to use to etch it with.Step 2, Remove any burrs on the edges of the steel. By utilizing Silane and HF acid will provide you with both forms of adhesion “Chemical and Mechanical“. The acid etching is the first choice when etching innerlayers. I was thinking of trying ceramic oxide and felt pads with a drill attachment. This process is based on ammonium bifluoride with additives. The use of buckets or other containers with tight-fitting lids is not permitted as there is a potential for pressurization. Chalking from Acid Etching In this case of DIY bathtub refinishing, the refinisher used an acid etch (hydrofluoric acid) to remove the gloss from the bathtub. Used alongside any Bathworks do-it-yourself refinishing kits and in combination with good preparation, EZ Etch creates an undeniable bond that achieves the "like factory new" finish. Photo by Apartment Therapy. Nitric acid turns brilliant blue-green after etching copper or brass, and a cloudy gray after etching zinc. Bathtub Etching is a light form of acid that etches microscopic pores onto the bathtub surface. Requires additional training and treated with respect and care of handling. Make sure you have all of your personal protection equipment (PPE). SKU Color UPC Safety Data Sheets (SDS) 280605. Our process is more like a skin graft instead of a band-aid that's stuck on. Acid Desmutting Etching leaves a film of 'smut' on the aluminum. There is no coating in the world that will stick to procelain so dont even try, you will regret it I promise. This means that the caustic etch bath use is not as heavy as it once was, making it a little easier to maintain. The main issue is to make sure you’ve got your safety equipment ready. Usually, you'll want to place the steel plate face-down in the solution so that the exposed metal flakes downward into the solution and away from the plate. I enjoyed your video and wonder if anyone in Raleigh, NC does your process with your products? The finish will continue to peel as moisture works its way underneath and compromises the mechanical bond. This way any drips or small splashes end up draining into the 5 gallon pail. Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape. Step 5: Thorough Rinse – Ensure all acid etch is off the tub. Originally published in the April 2017 issue. A quality job starts with the preparation using HF acid and ends with having a skilled application. Step 4: Acid Etching (ensure step 3 is done right) – Applied with a brush or a roller to ensure even coating on all cleaned surface of the tub. No commissioned salespeople: means no pressure estimates and no ridiculous commission mark-ups. Bathworks EZ Etch Etching Paste is used to remove any residual finish that remains on porcelain or ceramic surfaces prior to the refinishing process. I am working on a renovation where I would be interested in keeping an old tub. For acid baths, use rectangular or cylindrical containers in the smallest appropriate size. It is used in pools and as paint thinner, among other things. The acid will eat (etch) the exposed / partially exposed areas into the plate. Wash your enamel bathtub every week using soapy water and a soft cloth. Keep your work area safe and don’t get chemicals on you! Untold Secrets Of Bathtub Liners! Also, he needs some time to perfect his skills. this is one I’ve used. For care, don’t use abrasive or harsh chemicals. Etching the Plate: Now that the plate has been worked, it needs to be put in an acid bath. To do this the plate has to be warmed up, although it takes a while to get your plate ready for the actual printing process it is an effective printing method. I paint cars and I want to paint my bathtub, could you please let me know where I can but Plastic or glass containers for the etchant “bath.” We like using the clear plastic tubs from spinach or salad mixes. Be safe, hire a bathtub refinishing expert. The HF Acid Etching Bathtubs does not harm plumbing at all, as Miracle Method claims; it will remove the plating on drains and overflows that are not chrome, so we protect these or remove them prior to application of the acid. When etching is complet, remove plate, clean thoroughly to remove etch residue and dry. If misused, this acid can cause damage to fixtures, surrounding carpet or floors. Miracle Method’s smooth, hard finish will not peel and will look like new…we guarantee it! We have been selling this product for over 14 years, so we know it works. HC Acid or Muriatic Acid diluted to around 10% should give you enough of an etch, be sure to remove any powder left over on the surface. Nearly 25% of Miracle Method’s work is fixing an acid etching refinisher's failed job. This microscopic texture permits the paint to adhere. Acid etching can fail because even the smallest amount of moisture under the new finish at the tub’s edge or around the drain can blister and force the new finish to let go and peel. Go to a automotive paint supply house. It is mostly used on metals, though other materials are increasingly important. We have the tub and need the walls redone as well as a double kitchen sink. If the pipe leaked at any point the acid would also be caught by the pail. The acid will eat (etch) the exposed / partially exposed areas into the plate. You’ll get great results without the possibility of an acid burn. This is done to give the tub a proper profile to achieve a mechanical bond when using the etch & epoxy bathtub refinishing system. Refinishing bathtub and tile is all about the chemistry, the proper chemicals and training, for quality and performance by a trained professional. Age/saturation of etchant bath: Etch rate can be affected by how long the etchant bath has been sitting, and/or how much material has been etched in the bath. thank you. It is important that acid-resistant gloves are worn to move the board in the PCB etching bath. Thank you, Once finished and the acid has done its job, is harmlessly diluted, neutralized and washed away with water. You’ll enjoy the look and feel of porcelain it provides and the ease of keeping your bathtub or tile looking new and enjoy extremely long lasting results. ETCHING ACID SINGLE The concept of single-acid, or one-bath etching for rotogravure cylinders and plates is becoming more widely accepted and is being more fully exploited today. This acid etching is like sanding the procelain to accept a primer. How To Clean A Refinished Bathtub? The cost of repairs will almost always be much less than replacement costs that can exceed $3000 for a single bathtub! My web blog – Home improvement Savannah Ga. Rub the acid lightly into the stencil and you will feel the Q-tip start to "bite" the steel. Acid Bath. When mixing always pour the acid into the water. I just trained a fellow in Fredricksburg, not sure if he’d be willing to go that far, but I will check. It’s use is optional and whether one chooses to use etch or not, no longer effects the quality of adhesion, one way or the other. Acid etching is easy and less expensive than you’d guess. The benefit of this method is that the design will not peel or wear down. The tip of the Q-tip will start to turn black as the acid removes some metal. Wear polyurethane gloves. Hydrofluoric (HF) acid has become the most common material used for acid etching. Test the strength of acid bath be etching an aquatint plate in incremental steps, stopping out each increment with stopout varnish. acid proof container. I use a 5 gallon pail that has a 3 inch ABS pipe with a cap glued on the bottom as the acid bath. Why Would Miracle Method Tub Refinishing Franchise and Other Refinishers Use Misleading Out Right Lies & Tactics to Confuse Consumers About Using Hydrofluoric HF Acid Etching Bathtubs? Why would we go to the trouble, expense and training if HF Acid did not provide a benefit to you? Bathtub Refinishing Acid Etching Buffalo NY 716-381-5607 Just like resurfacing furniture, painting a house or even an automobile, The best practice before painting is to abrade the surface area, allowing the brand-new coating to mechanically attach. acid proof container. 3. When done properly, the TubPotion process simply will not peel. Your email address will not be published. Misleading is one word and only has one ‘s’. Flush with water if an accident occurs. Metal with designs applied, ready to etch! The use of HF Acid Etching Bathtubs during bathtub refinishing also adds a deep cleaning component to the process. Miracle Method will not introduce corrosive hydrofluoric acid into your home, apartment complex or hotel! In the past several years, the use of acid etching has been the standard in so-called “architectural” anodizing lines. Follow manufacturer's instructions for etching machine operation. 12. Age/saturation of etchant bath: Etch rate can be affected by how long the etchant bath has been sitting, and/or how much material has been etched in the bath. This produces cleaner lines when etching the steel. Thanks for the reply, does the Silane adhesion need to be handled with the same care as HF acid when applying would I need the same level of cautiousness ? A better solution for a DIYer is to use our TubPotion #8 Adhesion Promoter vs HF acid. For more information on Bathtub Chip Repair go here. I would like to get down to that surface. If you want a deep etch, acid etching is going to be slow. Your email address will not be published. Nitric acid turns brilliant blue-green after etching copper or brass, and a cloudy gray after etching zinc. We offer a product replacement ONLY warranty. DIY repair kits rarely deliver the long lasting, color matched results that professional bathtub refinishing delivers. Any intelligent person can understand the benefit of having mechanical adhesion by abrading – etching. Etching is traditionally the process of using strong acid or mordant to cut into the unprotected parts of a metal surface to create a design in intaglio (incised) in the metal. Step 5: Thorough Rinse – Ensure all acid etch is off the tub. Muriatic acid is available from your local … Are there care instructions you recommend? Regular sandpaper does nothing, nor does methyl chloride. It is formulated into a thick brushable cream to … Bathtub Liner Cost Guide. Awarded Angies List Multi-Year Super Service Award. phosphoric acid for etching silicon nitride) must be heated to give a sufficiently high etch rate. The Secret Ingredient In TubPotion Coatings Is Why My Peers HATE ME! Corrosive acid baths such as those used for glassware cleaning must be in an appropriate container with non-sealable lid. I use a 5 gallon pail that has a 3 inch ABS pipe with a cap glued on the bottom as the acid bath. How 8 Out Of 10 Homeowners Will Get RIPPED OFF By Deceptive Refinishing Practices! This controlled process creates a rough pattern on the surface of the tub. Thanks. Essentially, HF acid corrodes the surface of the bathtub. This smut is most commonly removed in a nitric acid solution leaving a primed surface ready for anodizing. File away any burrs on the side of the steel you plan to etch with acid. Now add Tub Potion # 10 polyester bonding primer, this gives you what I call triple adhesion. Today with the use of Organosilane coupling agents, etching is no longer required as it once was. Miracle Method's proprietary bonding agent eliminates the acid-etching step. Miracle Method is environmentally responsible. XIM Etch-l-M is a brushable etching cream that will dull or etch the surface of hard, silica based materials such as porcelain, porcelainized steel construction panels, tile, glazed block and glass. View pros. Approximately 2 cups are required. Finally The Truth Told About HF Acid Etching Bathtubs With PROOF! Many refinishers first roughen up the tub's surface by brushing on a solution of hydrofluoric acid before using a bonding agent. Finally, how is what you do different than what most refinishers use that etch and paint? Not when used by a trained professional. Here is a photo of it: Instead, apply cleansing solutions and let them soak on the stain. Bathtub Refinishing Acid Etching Buffalo NY Bathtub Refinishing Acid Etching Buffalo NY. Try not to touch the blade with your bare hands after cleaning. I have etched in undiluted ferric chloride but it gives a harsh etch. Bathtub Etching is a light form of acid that etches microscopic pores onto the bathtub surface. It actually removes the glossy surface glaze. Diluted sulphuric acid is a better solvent for steel than concentrated acid. Hang it near the acid bath as a visual tool to help determine acid strength and desired etch times. Anyway there is a light haze I cannot remove. Small chips, scratches, and scuffs can often quickly be repaired making bathtub repair much more economical than replacement of the entire tub. Thanks for excellent information I was looking for this info for an upcoming project. An acid bath can be used several times for the same type of metal, but separate baths must be made for each metal. And as always be sure the company you hire has Workman’s Comp. When refinishing porcelain over cast iron or enamel over steel tubs we use HF Acid Etching Bathtubs to abrade or “Etch” the surface. Indoor use only TDS. Acid-etching is the worst “service” being perpetrated on hotel bathtubs throughout the industry. Many dilute acids are used for etching, mainly hydrochloric acid, nitric acid or 10% - 25% sulphuric acid. Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape. If you want complex and decorative designs, acid-etching is the prescribed method. It is formulated into a thick brushable cream to minimize runs, drips and splashing. Detailed Acid Etching With a Stencil: This will be a more advanced how-to with using heat transfer stencils to create intricate designs for acid etching.This is a followup to my very first Instructable on basic acid etching. Our Silane TubPotion #8 reacts to the tub or tile substrate, dramatically improving the bond with our coatings. You are dealing with acid for this process, so there will always be some innate hazard involved. For example, etching can be used to prepare flooring like cement for painting or refinishing, while artists use it to create detailed pictures on metal or glass. Thanks for excellent information I was looking for this info for an upcoming project. I did this page on Etching as a result of other refinishers claiming that Etching is bad and harmful to the tubs plumbing, which it is not. Acid etching is a process that uses a strong acid to cut into another substance. Immerse the steel in a bath of the etching acid. Rust-Oleum Specialty Tub & Tile Aerosol in Gloss White, 340 G (17) $25 And. Highly toxic acids are used to etch the tub, which can damage the plumbing pipes if they are washed down the drain without proper dilution.
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