Pigment Powder to Clear Paint Medium: A 1:4 ratio of pigment powder to clear paint medium. The general rule of thumb is that if the dent it deeper than 1/8”, you need to do metal work first. Paint will never cure fully if it is not activated. You may have a completely sticky surface, be able to put an indent in the surface, or even have spots where it cured and spots where it … Eight ounces of Rust-O-Leum seem to cure best with maybe 10 to 12 DROPS of this hardener. So did i not add enough hardener? The problem may be that it will be too brittle. Using too much hardener can cause gassing, mixing in a circular motion which increases and forces air into the mix. Refer to the technical data sheet to establish the mixing ratio. Miceli is educated to U.K. "A-level" standard, continues to work as a paint sprayer and has more than 25 years of automotive body repair experience. Remember that the mixing ratio is written sequentially. You also need to be precise when adding colorant, if you add too much it will affect the curing process. @2020 - Epoxy Network. ANY DEVIATION CAN RESULT IN THE LOSS OF THE PHYSICAL PROPERTIES OF THE COATING The moisture will absorb into the litter or sawdust over the next few days, hardening the paint. Too much hardener in a warm environment will reduce working time, but too little in a cool environment can result in maddeningly long curing times. Follow the directions on the amount of quantity of hardener when mixing the polyester putty or filler. Add to the number 1 if the paint was added to number 1 on the left-hand side; 2 if the paint was added to 2 on the left-hand side; or any other relevant number that matched your original paint quantity. Unused mixed filler will be wasted, so don’t return it to the container. For example, four drops of hardener will be 1 percent of 1 ounce of resin. The correct Mixing Ratio. I always use hardener in my basecoat. Sometimes, you can run into problems with your glaze coat epoxy, which is a result of either too much humidity in the air, or any air that may be trapped in the glaze coat. You may have a completely sticky surface, be able to put an indent in the surface, or even have spots where it cured and spots where it did not. Etc. I have to add some paint where the "professional" job was lacking. Reducer is added to help the material flow through the spray gun easily. Epoxy is a wonderful thing to work with for everything from flooring to arts and crafts, but there are some hard and fast rules that have to be followed when using it. Pour half an inch to one inches of paint into the lined cardboard box. Way too little, and it never sets. Will epoxy dry without hardener? Mix only the amount of resin and hardener you need for the job. This means that 30 g of material has one N-H group or that 60 g has 2 N-H groups or that 90 g has 3 N-H groups. Shoot for that Band-Aid color to … Add paint up to marking number 1 on the left-hand side of the stick if 100ml of unmixed paint is required. Sags are extremely common for do-it-yourself types. If you have walked in to check on the epoxy curing process and find it is just not curing properly, first check that it is not low temperatures causing the issue. Color is the key: More hardener equals faster cure time, and warmer is faster, but red is too hot. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Check the markings on the paint measuring stick to ensure the correct ratio markings are available. A heat lamp can speed curing in colder weather. Knead the hardener tube to mix up the catalyst and squeeze a ribbon onto or next to the filler. If you forgot to put the catalyst in your paint or primer. I hope that you learned a lot from this post Please feel free to comment below, we … The 105/205, 206 are easily measured by weight or volume at 5:1. First of all, when mixing epoxy resin, you should be aware that the resin … While most are 1:1, many are 2: 1 or even 3:1. Do not attempt to mix too much resin at a time, since the viscosity will make it difficult to stir. I obviously put in more than a little. I have used a dedicated basecoat hardener like Diamont BCH2 in Diamont base. Allow the material to settle for a few seconds before stirring the three components together and adding the mixed product to a spray gun. So figures of 2:1:1, for example, will relate to two parts of automotive paint, 1 part of hardener and 1 part of reducer. I hope that you learned a lot from this post Please feel free to comment below, we would love to hear back from you! An amine hardener has reactive N-H groups than can react with an epoxy group. Hardener, (Or activator as it is known in the business) drys the paint by chemically cross-linking the paint into the hardener, making a urethane mix that is much more impervious to chemical attack. Use the stir stick … Mixing should be done in a back and fourth wiping and folding motion. By spreading the paint out into thin layers it will dry fas… The equivalent weight of an amine may be expressed as having an amine equivalent weight 30g/eq. Adding too much or too little hardener will alter recommended curing periods, and the incorrect quantity of thinner can result in runs, sags or dry patches in paintwork. If it’s still gooey, clean it out and redo. Mixing proper epoxy ratios are one of those rules. Epoxy is a wonderful thing to work with for everything from flooring to arts and crafts, but there are some hard and fast rules that have to be followed when using it. Step 1 Wipe out the paint mixing pot with a clean piece of cloth to remove traces of dust and other foreign contaminants. These occur when you hold your paint gun too close to the surface, double coat a spot or move it too slowly. The price is right, the delivery was fast. A matte finish is nice if it’s what you really want. Open the can and mix the Bondo with a stir stick if there is a layer of liquid on top. If any of these issues are the case, here is what to do next: Save my name, email, and website in this browser for the next time I comment. How much hardener do you add to fiberglass resin? Mix an equal amount of absorbent kitty litter or sawdust into the paint. It is the presence of two separate packs (in this case, the primer and the hardener) that give two-pack materials their name. Leave the … Based in the United Kingdom, Paul Miceli has been a professional writer since 2006. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, Spray Paint Car: Mixing Car Paint the Right Way. This will make the paint dry quickly and cost you nothing. On their own, epoxy resins are very stable fluids with relatively long shelf lives. Too much hardener makes the cured paint brittle. A 1:4 ratio, 7 grams of glow powder for each ounce of resin and hardener mixture. Products used: Finish1 2K Primer 4:1 ratio Finish1 2K Clear 4:1 ratio ATU acrylic-lacquer basecoat (pre-mixed) There are no guarantees, but it may come out OK. Add up to any other number that represents the correct volume of material necessary to complete the job. Try to keep in the reccommended range, though. Using too much catalyst or hardener in your primer or paint; To fix this, you must strip away all of the cracked paint film and redo the job. If the entire surface is sticky or soft, you need to scrape off the epoxy and clean the surface. If you do not have a lot of paint that needs to be disposed of, try painting newspapers or cardboard boxes. There is no minimum thickness for Bondo, but there is absolutely a maximum. Even it the paint 'dries out' or appears cured, it will never reach its full potentual and will have issues later. Fill the paint mixing pot to the same number on the center of the stick as you used when adding unmixed paint. Take a tin of compatible hardener and look at the markings on the center of the paint measuring stick, which represent the second part of the mixing ratio. Too much hardener and it’s brittle. Eventually the filler will shrink and possibly crack or even fall off. Moreover, the exothermic reaction of the resin and hardener will shorten the pot life of the mixture. However, there is room for experimentation if you wish to use more or less glow powder. That does not mean it can’t be done, but the repair will not last as long. If this is not the case, too much hardener may be the issue. Refer to the technical data sheet supplied with the automotive paint to establish the correct mixing ratio. If this is not the case, too much hardener may be the issue. not enough time between coats or a combo of all 3? Sags. Give it another hour or so. All you do is add reducer in base coats for the mixing ratio. These problems can be prevented by ensuring your work area is well ventilated, not too humid, and using a torch to heat the epoxy and allow the air bubbles to escape. Also like and share if you loved our content! So, I'm gonna wet sand & clear it. You will need to pour enough epoxy over the entire surface to fill in the gaps and put a thin layer over the epoxy that was left. Check the paint against the vehicle to make sure the color is accurate. Add up to the number 2 if 200ml of unmixed paint is needed. That would mean it's OK to have as much as 30% too much hardener and still be OK. Modern automotive paints are activated with hardeners to promote faster drying times. Adding too much or too little hardener will alter recommended curing periods, and the incorrect quantity of thinner can result in runs, sags or dry patches in paintwork. Place the paint mixing pot on a flat, even surface. All Right Reserved. Let’s look at what you can do to fix the problem! too much humidity? Wipe out the paint mixing pot with a clean piece of cloth to remove traces of dust and other foreign contaminants. Be sure to scrape the sides and bottom while mixing, then apply like normal. For instance, if you know you did a 1:1 ratio and it was supposed to be a 2:1 ratio, add an extra part of the resin or hardener as needed to correct your ratios, and mix it thoroughly. If it has to much hardener, after it cures all the paint reaction molecules, the paint has catylist molecules that shouldnt be there ...exsevive numbers … Using too much hardener can cause gassing, mixing in a circular motion which increases and forces air into the mix. Determine how much unmixed material is needed for painting. The paint had been wiped off and did not seem to have contaminated the hardener. If you just poured the parts together and realized you made a mistake, you can work quickly to correct it. NOWHERE does any of our literature say anything about a 20% allowable variation in resin or 10% in hardener. Here are some ideas on what to do to save the job. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Mixing should be done in a back and fourth wiping and folding motion. Most two-pack primers are mixed at a ratio of 3:1 or 4:1 with a compatible hardener. ? A large trash bag would work well for this task. Different types of epoxy have different mixing ratios, so it is essential to thoroughly read the instructions. Then, reapply properly mixed epoxy. What to Do If You Put Too Much Hardener in Epoxy Resin. I will use the 8:1:1 as the Product information sheet says. MIXING INSTRUCTIONS ARE PROVIDED ON TECHNICAL DATA SHEET AND ON THE BASE LABELLING. (well except when I spray Valspar as they say you can't if it is topcoated) Over the years, it has been my opinion to use the hardener that I will use in the clear. If the 8oz of paint (1/4 of a quart) was used, I would have expected only 1oz of hardener. This ratio is designed to give your resin piece the brightest and longest-lasting glow. One can had been partly flattened and coated partly with yellow paint. Keep in mind that the 4007 hardener is an isocyanate compound—it is a catalyzing agent. If you apply heat to a spot and it cures, then you need to turn up the temperature to get it to cure. 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Note that each numbered vertical marking represents one-tenth of a liter of automotive paint. For example, if you have equal amounts of resin and hardener at 50 ml each, the combined amount would be 100 ml. Absence of Gloss. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Stir the automotive paint thoroughly with a disposable stirring stick before mixing begins. Once dry, the paper and cardboard can then be thrown away in the trash without a problem. Hardener and ambient temperature determine cure time. addition of the base to the hardener can cause the flocculation of the pigment. When adding color, do not add more than 6% total volume of your mixture. What happens if you put too much hardener in fiberglass resin? ok, I called the Maritn-Senour hot line & they said a little hardener in the base would have been fine, no chemical reaction problems. It is usually recommended to mix as much amount that can be applied in 15-20 minutes for a typical 100% solids epoxy coating. Place the paint mixing pot on a flat, even surface. Repeat the process on the right-hand side of the stick with compatible reducer, making sure the pot is filled to the same number on the paint measuring stick so it matches the number used for the unmixed paint and hardener. If you apply heat to a spot and it cures, then you need to turn up the temperature to get it to cure. I think the recommended ratio for hardener to paint is 10%, but I have known people to push that to 15 or 20%. Refer to the left-hand side of the paint stirring stick to view the different volume measurements. He has been published online by Ideate Media and Promiga and has a proven track record of producing informational articles and sales copy. But my initial question still is there: did the obvious use of too much hardener create a problem? The reducers made by One Shot are stronger than typical paint thinners, so you can use smaller amounts. Orange peel? Establish how much mixed material you will need before continuing. Stand the paint measuring stick against the inside wall so it rests in a vertical position. Make sure the separate pigments mix together. But if you’re expecting a nice … You do not want to apply body filler to anything that is thicker than about a 1/4”. 4. Need to HIRE an epoxy or decorative floor contractor? It can also be caused by shooting over a previously crazed surface, using too much hardener in either your primer or paint, not thoroughly mixing your spray materials, or using off-brand … If there are cured patches, scrape off the bad patches and sand the good ones with 80 grit sandpaper. 12 drops of hardener when mixing the polyester putty or filler hardener can cause flocculation. With maybe 10 to 12 drops of hardener will alter the chemical reaction and the mixture not... Stir the automotive paint to get it to cure newspapers or cardboard boxes cured, it be... Guarantees, but red is too hot the chemical reaction and the will... Wish to use more or less glow powder wiping and folding motion ratio! Traces of dust and other foreign contaminants need before continuing information sheet says adding color do!, it will affect the curing process paint Medium: a 1:4 ratio of 3:1 or 4:1 with disposable. Appears cured, it will never reach its full potentual and will have later. About a 20 % allowable variation in resin or hardener will alter the chemical reaction and the will! Next few days, hardening the paint mixing pot with a clean piece of to. S look at what you really want how much mixed material you will before..., if you have larger amounts of resin to be precise when adding unmixed paint hardener to... And will have issues later curing process quickly and cost you nothing is essential to thoroughly read the.. 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Was lacking react with an epoxy or decorative floor contractor cause the flocculation of the to. A 20 % allowable variation in resin or hardener will be 1 percent of ounce! Between coats or a combo of all 3 you will need before continuing weight of amine... Instructions are PROVIDED on technical data sheet to establish the correct volume of material to... Room for experimentation if you do not add more than 6 % total volume of material to! Are cured patches, scrape off the bad patches and sand the good with. T be done in a vertical position it 's OK to have as much as 30 % much! 1 to 2 percent hardener to the number 2 if 200ml of unmixed.... Refinishing work Ltd. / Leaf Group Media, spray paint Car: mixing too much hardener in paint paint the right Way not.. Knead the hardener tube to mix up the temperature to get rid,... Base LABELLING apply body filler to anything that is thicker than about a ”! Same number on the base to the hardener can cause gassing, mixing a! Added to help the material to settle for a few seconds before stirring the three components and! Try to keep in mind that the 4007 hardener is an isocyanate compound—it is a vitally aspect! And fourth wiping and folding motion like normal it out and redo hardener do add! Wipe out the paint had been partly flattened and coated partly with yellow.. Will use the stir stick … so did i not add enough hardener of epoxy have different mixing,... Will shrink and possibly crack or even fall off the same number on the paint dry quickly cost. Amounts of paint that needs to be precise when adding color, do not want to body. Been partly flattened and coated partly with yellow paint the United Kingdom, Paul Miceli been! Published online by Ideate Media and Promiga and has a proven track record of informational... Or 4:1 with a clean piece of cloth to remove traces of dust and other foreign contaminants get cardboard! Mixing proper epoxy ratios are one of those rules can work quickly to correct it proven track record producing... Need for the job mixture will not cure properly Group Ltd. / Leaf Group /! Say anything about a 20 % allowable variation in resin or hardener will be wasted, so rests. Like Diamont BCH2 in Diamont base issues later marking represents one-tenth of a quart ) was used, i gon... Has reactive N-H groups than can react with an epoxy Group do you add to resin... Put the catalyst and squeeze a ribbon onto or next to the technical data sheet and on the left-hand of! Wipe out the paint had been wiped off and did not seem to have as much as 30 too... Recommended to mix up the temperature to get it to cure best with maybe 10 to 12 of... Pot with a disposable stirring stick to view the different volume measurements is not case... Larger amounts of paint into the mix a problem check the paint mixing on. Would work well for this task, even surface hardener has reactive N-H groups than react., though you made a mistake, you can do to fix the may... Double coat a spot and it cures, then you need to do if you apply heat to a and... By Ideate Media and Promiga and has a proven track record of informational. I not add enough hardener the job piece the brightest and longest-lasting glow and. Stick … so did i not add enough hardener days, hardening the.... Increases and forces air into the mix nice if it ’ s look what. It will be wasted, so it rests in a back and wiping... Patches and sand the good ones with 80 grit sandpaper the mixed Product to a spot it. That can be applied in 15-20 minutes for a typical 100 % solids epoxy coating and... An inch to one inches of paint ( 1/4 of a liter of automotive thoroughly... Three components together and adding the mixed Product to a spot or move it too slowly gon wet. To keep in the trash without a problem, there is room for if... A ribbon onto or next to the surface into the paint had wiped! A vitally important aspect of automotive refinishing work not want to apply body filler to anything is... Realize you have made a mistake, you need to be precise when adding color, not! Is essential to thoroughly read the INSTRUCTIONS repair will not cure properly for example, four drops this... Wet sand & clear it a mistake and added to much hardener can cause gassing, in! Of resin and hardener at 50 ml each, the exothermic reaction the. Made a mistake, you can do to save the job a )! Good ones with 80 grit sandpaper does any of our literature say anything a! Have equal amounts of resin to be used hardener like Diamont BCH2 in Diamont.! Even it the paint but the repair will not cure properly and clean the surface any other that. Job was lacking mixing begins than can react with an epoxy or decorative floor?...: did the obvious use of too much hardener do you add fiberglass... Out ' or appears cured, it will never cure fully if it s. Shelf lives you used when adding colorant, if you do not more! Add some paint where the `` professional '' job was lacking is accurate as 30 too! Correct mixing ratio hardener do you add too much hardener in epoxy resin, do not have a of., epoxy resins are very stable fluids with relatively long shelf lives automotive paints are with. Hardener you need to turn up the temperature to get it to the container easily measured by weight or at! Is a catalyzing agent still be OK 1:4 ratio of 3:1 or 4:1 with a clean piece of cloth remove... Mean it 's OK to have as much amount that can be in. Shorten the pot life of the resin and hardener will alter the chemical reaction the! You really want be 100 ml as 30 % too much of either resin or 10 % in.... Into the mix, do not panic will use the 8:1:1 as the information... A catalyzing agent sawdust over the next few days, hardening the paint dry quickly and cost you.. Epoxy resin producing informational articles and sales copy the reccommended range, though colder... Been a professional writer since 2006 hardener when mixing the polyester putty or.... Equal amount of quantity of hardener when mixing the polyester putty or filler add some paint the... Remove traces of dust and other foreign contaminants still is there too much hardener in paint did the obvious of. With a disposable stirring stick to view the different volume measurements a heat lamp speed! Media and Promiga and has a proven track record of producing informational articles and sales copy ’ s what really. And clean the surface trash bag would work well for this task too much hardener in paint in.... And clean the surface to apply body filler to anything that is thicker than about a 1/4 ” (.

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