Spraying Conversion VarnishConversion varnish is a coating that contains a synthetic alkyd resin, plus several solvents and an acid catalyst. The guns they purchased 30-40 years ago were designed and set up to spray these “hot solvent” finishes with small needle/nozzle sets. Conversion varnish uses xylene, toluene or high-flash naphtha, while post-cat uses lacquer thinner. Sherwin-Williams locations and are in U. It absolutely is the best choice for kitchen cabinets and vinyl. Spray Gun Air Cap Size: How to Get it Right. What to Do When You Forget the Catalyst. Conversion varnish, also called catalyzed conversion varnish or catalyzed varnish, is a lacquer which consists of a high-end solid two-part post-catalyzed application process. We're going to acquire some from the cab shop. Conversion varnish is more viscous and generally cannot be sprayed straight out of the pail. Getting rough finish I am spraying a two part conversion varnish and getting a pretty rough surface. Conversion varnish, also called catalyzed conversion varnish or catalyzed varnish, is a lacquer which consists of a high-end solid two-part post-catalyzed application process. As you spray count the seconds per foot as you move across the surface to achieve a consistency in the desired thickness. Conversion Varnishis a chemical-cured, fast-drying finish that consists of 2 parts: the finish and an acid catalyst that's added just before spraying. We used regularly vinyl sanding sealer under it. Krystal ® is a post-catalyzed conversion varnish finishing system that offers the ultimate in durability. This customer is new to spraying conversion varnish, which is a two-part mix that sets up and hardens chemically like epoxy, forming a super durable finish. Use this wood finish for high-use projects that receive more use, such as bars, commercial tabletops, bathroom vanities, around dishwashers, kitchen cabinets or high-moisture. This customer is new to spraying conversion varnish, which is a two-part mix that sets up and hardens chemically like epoxy, forming a super durable finish. I am building the cabinets now and hopefully will be done and ready to start finishing by the spring, when it is a little warmer. A hardening agent added just before the application. It is recommended for use over white "pickled" and light color stains where good resistance to yellowing is required. Conversion varnish is made of two materials. Set the air pressure, fluid flow, and fan width on the spray gun to obtain good atomization at the flow rate you're comfortable with. Both of these thin with lacquer thinner and they just seem so off-the-shelf customer-friendly and easy-to-use. This is how I spray conversion lacquer on an oak armoire. Getting rough finish">Spraying conversion varnish question. Post-catalyzed lacquer is simply conversion varnish with nitrocellulose added (by the manufacturer, not by you) to make the finish easier to use. It’s twice as expensive as CV, but twice as good. Answer: No. If you exceed 4-5 mils (depends on mfg) the finish will crack. 3/20/22 #5: Spraying Conversion Varnish Mastercabman So for your first question,we need to know more What exactly are you using and what kind of spray equipment you're using For the second question Start at the edge (center of fan) Then go back with a 50% overlap and so on For your third question. Conversion Varnish Target EM8000cv is an excellent water-based conversion varnish. A common problem when finishing cabinet doors is not getting a thick enough finish on the edges. I spray with a pressure pot outfitted with a high pressure regulator set at 15 to 20 lbs based on mixture viscosity, a cheater valve on the air line, and run it through a Binks 2001 gun with a correctly sized fluid tip, needle, and air cap for conversion varnish. The exception is conversion varnish, which thins with xylene (xylol) or an equivalent solvent supplied by the manufacturer. Using an HVLP conversion gun you can get a high quality furniture grade finish. When these components are mixed together, the result is a chemical reaction. Problems spraying conversion varnish. As you spray count the seconds per foot as you move across the surface to achieve a consistency in the desired thickness. " AWI doesn't define Alkyd, but the Sherwin-Williams Chemical Coatings Finishing System Guide does. Spraying Oil-based Varnish and Polyurethane Spraying oil-based polyurethane or varnish is not a huge problem on horizontal surfaces, which will flow out, but be prepared to spend a bit of time getting used to how varnish hangs on vertical surfaces. 00; EMTECH EM9300 WB Polycarbonate Urethane. Getting rough finish I am spraying a two part conversion varnish and getting a pretty rough surface. 65K subscribers Subscribe 40K views 11 years ago This video shows the Conversion Varnish finish being applied to the cabinet door. Should You Use Conversion Varnish?. The first coat should be reduced with xylene about 20%. Dividing the finishes by their thinners, however, is not helpful. 5 Common Spraying Problems. Another possible option for you is stepping down (or over) and switching to a catalyzed lacquer like M. It is important to maintain an even distance from the surface at all times. Repairs to conversion varnish are difficult to do well enough so the repair doesn’t show. bvAvgRatingForScrReaders }} Star rating out of 5. Conversion varnish finishes generally run in the 30–38 percent volume solids range or sometimes even higher. Conversion Varnish Clear Finish Application Chad Barker 5. The air delivery method is secondary to the CFM volume required to atomize the coating at lower pressures. In warm weather it would dry before it hits the floor. It is very hot and gasses off for a long time. Spraying varnish saves you time and effort and even, full coverage is guaranteed. Those were the 3m organic cartridges I'm wearing in my pic Reply Save Like I ImagelinePainting · #5 · May 16, 2016. SEGALE BROS WOOD PRODUCTS INSTRUCTIONAL VIDEOS. Is there any quick fix when you suddenly realize that you're spraying conversion varnish but you forgot to mix in the catalyst? Yes, but February 2, 2011 Question Not a good way to start the day. Quick View Cabinet Door Grip Holders $ 44. Spraying Oil-based Varnish and Polyurethane Spraying oil-based polyurethane or varnish is not a huge problem on horizontal surfaces, which will flow out, but be prepared to spend a bit of time getting used to how varnish hangs on vertical surfaces. But do not confuse volume solids with proper spray viscosities. Conversion varnishes are a post-catalyzed alkyd resin-based finish and have most of the same specifications as post-catalyzed lacquer with only a few exceptions. lilpaintchic said: Soooo, I've got to repaint a few doors and panels on a set of new cabs that the carpenters customized. If necessary, in hot or dry climates, reduce 10 to 15% with General Finishes Extender to extend the open time. Catalyzed wood finishing system Sher-Wood® Water White Conversion Varnish is a catalyzed wood finishing system providing water white color and good resistance to yellowing. If you have some experience spraying, you should get good results with this product. All General Finishes water based topcoats and wood stains are ready to spray from the container without additives with the exception of Conversion Varnish. Turino Pigmented Conversion Varnish from M. The most common pre-catalyzed finishes are pre-cat lacquer, vinyl, and occasionally a conversion varnish. Many of my seasoned clients are still heavily invested in guns that are set up to spray low solids, high solvent content finishes such as nitrocellulose lacquer and conversion varnishes. Remove the window and replace with a sheet of 3/4 inch MDF with a hole in it to hold the fan so as much air as possible goes outwards. When my team was spraying conversion varnish, my cartridges lasted 3 hours max. I've wiped cured CV off with lacquer thinner without hurting it. *How Do I Spray Water Based Finishes?. 00; EMTECH HSF5000 WB Primer/Surfacer/Filler. The first method is to slowly spray onto the surface. June 28, 2013 Question The brand I use (Lamar) states to sand. A conversion varnish finish may not last forever, but no finish will, and it will far outlast a lacquer finish. The Best Spray Equipment for a Water Based Finish. How the air gets to t LX-20 Compressed Air HVLP courtesy of Fuji Spray. I have used this before with the same sprayer with good results, but since I've started heating the shop its hasn't worked. Some finishes have a maximum build. There is no question that a conversion varnish is more durable than lacquer - more scratch resistant, and more resistant to moisture and chemicals. Airless spayer or HVLP for cabinets. We used to use the conversion varnish for our stained trim packages in high end homes. Conversion Varnish is a chemical-cured, fast-drying finish that consists of 2 parts: the finish and an acid catalyst that's added just before spraying. This $40 spray gun provides a decent spray pattern for thinner products like MSA Varnish or the GAC 500/Airbrush Transparent Extender (2:1 ratio) "isolation coat. Conversion varnish is a finish applied to wood cabinets that consists of two elements: The finish itself A hardening agent added just before the application When the two elements are combined, a chemical reaction results in a clear, water-resistant finish. As soon as I could smell it, I knew it was spent. The first thing to check when you have trapped air bubbles is if you have air in your line. The temperature should be kept in the upper 60s or higher for two days after application, or the finish may not cure properly. 3 coats will be 4 mill after drying. We used to use the conversion varnish for our stained trim packages in high end homes. Spraying varnish saves you time and effort and even, full coverage is guaranteed. Spray Water Based Finishes?. Target Coatings Products recommended for a SoloWoodworker …. What Is Conversion Varnish? Everything You Need To Know. There are two popular ways to apply lacquer while maintaining the paint. Air bubbles in conversion varnish. I will be spraying the inside of my kitchen cabinets with waterborne General Finishes conversion varnish, satin. Krystal ® is a post-catalyzed conversion varnish finishing system that offers the ultimate in durability. Spray Equipment Electric Airless Sprayers Hand Held Sprayers Pressure Washers Texture Sprayers See All Painting Tools & Supplies SHER-WOOD Pigmented Conversion. Target Coatings Products recommended for a SoloWoodworker shop">Target Coatings Products recommended for a SoloWoodworker shop. Can You Spray Lacquer Over Paint, Stain or Varnish?. There is no question that a conversion varnish is more durable than lacquer - more scratch resistant, and more resistant to moisture and chemicals. Not getting enough finish on the edges of cabinet doors leads inevitably to peeling, especially under sinks. Conversion varnish uses a catalyst not a hardener. Set the air pressure, fluid flow, and fan width on the spray gun to obtain good atomization at the flow rate you're comfortable with. One of our customers took denatured alcohol to remove magic marker from one of our tabletops finished with cv with no ill effect. Spraying Conversion Varnish with an HVLP Gun. Always wear gloves when working with Conversion Varnish. Conversion varnish rarely blushes, and oil-based varnish, polyurethane and water-based finish never blush (though water-based finish can turn somewhat opaque if applied very thick). No sign of spray equipment. I would like advice on application of ML Campbell paints, specifically the white conversion varnish. You should be more distanced as you want to be at the furthest distance where the paint sprayer can still spray paint the object. That means there is a chemical reaction caused and by allowing the material to get too cool you stop the reaction and. Black 3M P-95 is the correct one to use #6001 chem. As the name implies, the pre-cat already has a catalyst mixed into it and since the catalyst is rather weak, it has a pot life in the range of months. The temperature should be kept in the upper 60s or higher for two days after application, or the finish may not cure properly. Some dry quite a bit faster than CV, some are slower. That means there is a chemical reaction caused and by allowing the material to get too cool you stop the reaction and can cause cold checking. When spraying, it’s very important to work in a quality spray booth with good exhaust and use a proper NIOSH-approved respirator. But do not confuse volume solids with proper spray viscosities. Additional coats will not improve durability. Repairs to conversion varnish are difficult to do well enough so the repair doesn’t show. Things might have changed since then. Always strain material through a medium to fine mesh filter. Water-based Conversion Varnish is a clear drying, two-component, post-catalyzed urethane topcoat for professional, industrial and OEM use when high durability is needed. How to Mix General Finishes Conversion Varnish. Campbell's Duravar or their non-yellowing conversion coating Krystal. Turino Pigmented Conversion Varnish from M. Then find the units you are converting to in the upper row. SEGALE BROS WOOD PRODUCTS INSTRUCTIONAL VIDEOS. Cross-wise is a painting and varnishing technique in which you first spray on a horizontal layer, then a vertical layer. Under normal conditions conversion varnish can be a excellent finish for furniture. Conversion varnish uses a catalyst not a hardener. Step 4: Spray the varnish. Spraying conversion varnish question. It is a high solids, water white, non-yellowing formula was specifically designed for interior wood surfaces that are exposed to extreme moisture, heat or household chemicals. IF you are in a small inclosed area you need a fresh air set up, or more fresh air flow to the area. Especially under sinks, this can result in the finish peeling long before it should. Spraying conversion varnish question. I spray with a pressure pot outfitted with a high pressure regulator set at 15 to 20 lbs based on mixture viscosity, a cheater valve on the air line, and run it through a Binks 2001 gun with a correctly sized fluid tip, needle, and air cap for conversion varnish. It appears to be a ton of little bubbles in the finish. Sw conversion varnish on cabs. Conversion varnish rarely blushes, and oil-based varnish, polyurethane and water-based finish never blush (though water-based finish can turn somewhat opaque if applied very thick). On larger surfaces, we recommend using a cross-wise pattern. Many of my seasoned clients are still heavily invested in guns that are set up to spray low solids, high solvent content finishes such as nitrocellulose lacquer and conversion varnishes. The problem with an airless aprayer and conversion varnish is the dry film thickness. Conversion Varnish Clear Finish Application Chad Barker 5. Conversion varnish finishes generally run in the 30–38 percent volume solids range or sometimes even higher. Conversion varnish application advice. When spraying, it's very important to work in a quality spray booth with good exhaust and use a proper NIOSH-approved respirator. How much lacquer thinner should you use in a conversion varnish. Sherwin-Williams locations and are in U. Also I sincerly hope you are doing this work in a proper spray booth as the formaldehyde in CV is really nasty when spraying. Many of my seasoned clients are still heavily invested in guns that are set up to spray low solids, high solvent content finishes such as nitrocellulose lacquer and conversion varnishes. This customer is new to spraying conversion varnish, which is a two-part mix that sets up and hardens chemically like epoxy, forming a super durable finish. You will have to reduce ML Campbell's conversion varnish. Discussion Starter · #2 · Jan 16, 2017. We don't have to with Sherwin Williams or Guardsman (Lilly). With WAGNER paint spray systems, the spray mist is minimal and you can therefore work fatiguefree - and many users find it great fun. Yes, they're ugly, but they're absolutely complete! If the tiny ones are too tiny to read, right click and download the image so you can. As you spray count the seconds per foot as you move across the surface to achieve a consistency in the desired thickness. Campbell is a unique, high solids, post-catalyzed, HAPS compliant, two component amino alkyd formulation that p. You don't have to worry about sitting a glass of water on a top that has CV on it. Under normal conditions conversion varnish can be a excellent finish for furniture. Remove the window and replace with a sheet of 3/4 inch MDF with a hole in it to hold the fan so as much air as possible goes outwards. Spray at a 90 degree angle 5 to 6 inches from the panel and overlap your pass at 50%. S-W's Water White Conversion Varnish is and has been an industry standard for twenty years. But what does that mean, exactly? In short, a hardening agent is added to the varnish prior to painting. How Much Lacquer Thinner Should I Use?. Spraying Conversion Varnish with an HVLP Gun Old hands walk a beginner through the basics of mixing, thinning, and applying conversion varnish. You get a longer pot life, longer open time, better bonding between coats and easier repairability. Product Details SHER-WOOD Pigmented Conversion Varnish Not Yet Rated Write a Review Price Loading price Register or sign in to confirm pricing & availability and checkout. The guns they purchased 30-40 years ago were designed and set up to spray these “hot solvent” finishes with small needle/nozzle sets. Further advantages of spraying can be found here in our FAQs. Use a pour fitting to keep the can clean. Product Details SHER-WOOD Pigmented Conversion Varnish Not Yet Rated Write a Review Price Loading price Register or sign in to confirm pricing & availability and checkout. I built four interior doors and planned to shoot one coat vinyl sealer followed by two coats ML Campbell Krystall. I would rather use a Tung Oil / Varnish / Bees Wax mix like Maloof. Campbell Turino Pigmented Conversion Varnish. Product Details SHER-WOOD Pigmented Conversion Varnish Not Yet Rated Write a Review Price Loading price Register or sign in to confirm pricing & availability and checkout. Conversion Varnish Clear Finish Application. Can polyurethane or conversion varnish be sprayed over lacquer? Kevin Hancock: It can, but it is not a very good idea. It'll burn through a set of carbon filters in 15 minutes and be sure to wear eye protection. Conversion varnish is made of two materials. conversion varnish?">How much lacquer thinner should you use in a conversion varnish?. Another possible option for you is stepping down (or over) and switching to a catalyzed lacquer like M. SPRAY APPLICATION OF GENERAL FINISHES WATER-BASED FINISHES: All General Finishes water-based topcoats and wood stains are ready to spray from the container without additives with the exception of Conversion Varnish. When my team was spraying conversion varnish, my cartridges lasted 3 hours max. Conversion Varnish Clear Finish Application Chad Barker 5. Conversion varnish is a coating that contains a synthetic alkyd resin, plus several solvents and an acid catalyst. You are aiming to have a very gentle flow towards the fan. The first is the finish and the second is the acid catalyst. I spray with a pressure pot outfitted with a high pressure regulator set at 15 to 20 lbs based on mixture viscosity, a cheater valve on the air line, and run it through a. You will need to know the percentage of solids by volume of paint after it has dried. With the following 5 steps, ensure that you are applying the varnish perfectly. Repairs to conversion varnish are difficult to do well enough so the repair doesn't show. The information on the can talked about the 10:1 ratio of finish to catalyst, but apparently didn’t mention a thing about thinning with lacquer thinner, so he used none. Conversion varnishes are a post-catalyzed alkyd resin-based finish and have most of the same specifications as post-catalyzed lacquer with only a few exceptions. The problem with an airless aprayer and conversion varnish is the dry film thickness. If you have any experience spraying lacquer, conversion varnish will spray about the same. TIP: Conversion Varnish Application Issues. I will be spraying the inside of my kitchen cabinets with waterborne General Finishes conversion varnish, satin. If you have any experience spraying lacquer, conversion varnish will spray about the same. It typically needs to be reduced before spraying. Your SW Manager needs some training before he or she hurts someone. The amount of air your spray gun needs can change depending on whether it's a siphon feed gun or pressure fed as well as the air-cap that's installed. The second method is spraying shellac before applying the lacquer. Conversion varnish finishes generally run in the 30–38 percent volume solids range or sometimes even higher. It typically needs to be reduced before spraying. Sanding for Adhesion with Conversion Varnish Catalyzed conversion varnishes require a mechanical bond between coats. As you spray count the seconds per foot as you move across the surface to achieve a consistency in the desired thickness. It would be difficult with an airless not to exceed that limit IMO. Common uses for conversion varnish. Spray Equipment Electric Airless Sprayers Hand Held Sprayers Pressure Washers Texture Sprayers See All Painting Tools & Supplies SHER-WOOD Pigmented Conversion Varnish {{ ctrl. run the fan whilst spraying to keep air moving outwards. (That is why they used to tell you to keep catalyzed material in the refrigerator until next day and mix with fresh material). HOW TO SET UP FOR SPRAYING CONVERSION VARNISH. Conversion varnish basics. Most of these solvent-based finishes thin with lacquer thinner. All General Finishes water based topcoats and wood stains are ready to spray from the container without additives with the exception of Conversion Varnish. The catalyst is added before the varnish is put into the spray gun and it causes a chemical reaction (cross-linking) that makes the finish very hard and durable due to its higher solid content. To avoid blushing in lacquer and shellac, add lacquer retarder to the finish before applying it. Spraying is not for the fine furniture. The most helpful division is between catalyzed and non-catalyzed. If the surface were to get softened from heat, the lacquer film would soften at a different rate than the topcoats. Step 4: Spray the varnish. Try that with regular lacquer and you'll have problems. There are a few things about this type of finish that you might want to consider. A HVLP (High Volume Low Pressure) gun we often suggest is a 1. Can polyurethane or conversion varnish be sprayed over lacquer? Kevin Hancock: It can, but it is not a very good idea. Sales Number: N/A Product Number: All prices displayed are for U. Conversion Varnish Target EM8000cv is an excellent water-based conversion varnish. Conversion varnish rarely blushes, and oil-based varnish, polyurethane and water-based finish never blush (though water-based finish can turn somewhat opaque if applied very thick). 4mm nozzle “Vaper” brand spray gun available at tool outlets such as NorthernTool. Spraying Conversion Varnish. The information on the can talked. Sanding for Adhesion with Conversion Varnish. Set the air pressure, fluid flow, and fan width on the spray gun to obtain good atomization at the flow rate you're comfortable with. The catalyst creates a chemical reaction (cross-linking) in conjunction with added heat-curing that creates the hardest, most durable finish available on the market. When my team was spraying conversion varnish, my cartridges lasted 3 hours max. Spraying Conversion Varnish">Follow. Here's how AWI (Architectural Woodwork Institute) defines conversion varnish: " A catalyzed alkyd-based coating that is tough and resistant to household chemicals. Conversion varnish is more viscous and generally cannot be sprayed straight out of the pail. Let Conversion Varnish sit for 15 minutes. Conversion Varnish sprays better, cures harder quicker, takes a lot less product to complete a finish. It is a high solids, water white, non-yellowing formula was specifically designed. How to spray conversion lacquer with an HVLP by Long Island. Krystal ® is a post-catalyzed conversion varnish finishing system that offers the ultimate in durability. I have zero experience with this stuff. Conversion Varnish is a chemical-cured, fast-drying finish that consists of 2 parts: the finish and an acid catalyst that's added just before spraying. They are Baltic Birch plywood, with solid poplar edge banding, european style - no face frame. Sometimes that happens when you are getting low in product and then your pump is pumping air and then you add more lacquer. Yellow 3M is a P-100 wrong type for lacquer #6003 wrong chem. What Is Conversion Varnish?. In warm weather it would dry before it hits the floor. Step 1: Personal safety and object preparation Also think about your surroundings (such as the floor or furniture) and cover them with a dust sheet or conventional cling film. Some, but not all, shellac and lacquer formulations also come ready to spray, while others may need considerable thinning. No different than if you were spraying CV. With WAGNER paint spray systems, the spray mist is minimal and you can therefore work. HVLP spray guns are available in both turbine and compressed air configurations. February 14, 2006 Question After some quality control issues with my finisher I have decided to try doing the finishing myself. less odor once set up, and is at least 10 times more durable than lacquer. Eventually, the finish would fail. As far as overspray, with conversion varnish since it dries faster won't be near as bad as conventional varnish. This customer is new to spraying conversion varnish, which is a two-part mix that sets up and hardens chemically like epoxy, forming a super durable finish. CV will often have a slightly higher percentage of solids by volume than the lacquers and may take a little longer to dry. ) Simply find your current units in the left-hand column. Tips for using 'super' coatings. 95 Add to cart Quick View Standard Rotating Spray Rack $ 229. Always strain material through a medium to fine mesh filter before spraying. When spraying, it’s very important to work in a quality spray booth with good exhaust and use a proper NIOSH-approved respirator. Here's advice on sanding techniques that help avoid burning through coats you've applied, but still achieve roughness required for a good bond. Repairs to conversion varnish are difficult to do well enough so the repair doesn’t show. Spraying Varnish over Lacquer. Conversion varnish uses xylene, toluene or high-flash naphtha, while post-cat uses lacquer thinner. Stir Conversion Varnish in the can to ensure a consistent sheen. Post Cat products require that you add the catalyst to the finish right before you spray. The amount of air your spray gun needs can change depending on whether it's a siphon feed gun or pressure fed as well as the air-cap that's. Here's how AWI (Architectural Woodwork Institute) defines conversion varnish: " A catalyzed alkyd-based coating that is tough and resistant to household chemicals. Spray application: Before spraying,. For high-moisture areas, apply 4 coats. Inadequate build on edges is a spraying problem. Use lacquer thinner to thin lacquer and denatured alcohol to thin shellac. 4mm nozzle "Vaper" brand spray gun available at tool outlets such as NorthernTool. Conversion varnish is a finish applied to wood cabinets that consists of two elements: The finish itself. Now multiply by the conversion figure where they intersect in the table. Does anyone use HVLP gravity feed to spray finish?. You do need the proper equipment. SPRAY APPLICATION OF GENERAL FINISHES WATER-BASED FINISHES: All General Finishes water-based topcoats and wood stains are ready to spray from the container without additives with the exception of Conversion Varnish. Conversion varnish, also called catalyzed varnish, is the most protective and durable finish commonly available to amateurs and small shops. According to the specs, it's sw conversion varnish. Question #5: Should I use Airless spray or Air-Assisted Airless spray with water-based finishes? EMTECH EM8000cv WB Conversion Varnish. As far as overspray, with conversion varnish since it dries faster won't be near as bad as conventional varnish. The resistant paint is great--use their Clawlock as a primer. How much lacquer thinner should you use in a conversion varnish?. 3/20/22 #5: Spraying Conversion Varnish Mastercabman So for your first question,we need to know more What exactly are you using and what kind of spray. It must be applied exactly as directed by the manufacturer. 65K subscribers Subscribe 40K views 11 years ago This video shows the Conversion Varnish finish being applied to the cabinet door. It all boils down to the design of the air passages and atomization cap. With the following 5 steps, ensure that you are applying the varnish perfectly.