Stand the paint measuring stick against the inside wall so it rests in a vertical position. 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 … All you do is add reducer in base coats for the mixing ratio. However, there is room for experimentation if you wish to use more or less glow powder. 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. When adding color, do not add more than 6% total volume of your mixture. Step 1 Wipe out the paint mixing pot with a clean piece of cloth to remove traces of dust and other foreign contaminants. Absence of Gloss. 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. 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. I always use hardener in my basecoat. I have to add some paint where the "professional" job was lacking. What happens if you put too much hardener in fiberglass resin? How much hardener do you add to fiberglass resin? If it’s still gooey, clean it out and redo. Place the paint mixing pot on a flat, even surface. 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. 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. Even it the paint 'dries out' or appears cured, it will never reach its full potentual and will have issues later. Too much hardener makes the cured paint brittle. 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 … A heat lamp can speed curing in colder weather. Refer to the left-hand side of the paint stirring stick to view the different volume measurements. For example, four drops of hardener will be 1 percent of 1 ounce of resin. Then, reapply properly mixed epoxy. First of all, when mixing epoxy resin, you should be aware that the resin … Knead the hardener tube to mix up the catalyst and squeeze a ribbon onto or next to the filler. Add up to any other number that represents the correct volume of material necessary to complete the job. Mixing should be done in a back and fourth wiping and folding motion. 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. Based in the United Kingdom, Paul Miceli has been a professional writer since 2006. Need to HIRE an epoxy or decorative floor contractor? Try to keep in the reccommended range, though. Hardener and ambient temperature determine cure time. 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. I hope that you learned a lot from this post Please feel free to comment below, we … 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 … Mixing should be done in a back and fourth wiping and folding motion. Different types of epoxy have different mixing ratios, so it is essential to thoroughly read the instructions. Allow the material to settle for a few seconds before stirring the three components together and adding the mixed product to a spray gun. Using too much hardener can cause gassing, mixing in a circular motion which increases and forces air into the mix. 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. The equivalent weight of an amine may be expressed as having an amine equivalent weight 30g/eq. Mixing proper epoxy ratios are one of those rules. Give it another hour or so. @2020 - Epoxy Network. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. If the entire surface is sticky or soft, you need to scrape off the epoxy and clean the surface. The problem may be that it will be too brittle. 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. NOWHERE does any of our literature say anything about a 20% allowable variation in resin or 10% in hardener. If this is not the case, too much hardener may be the issue. (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. For example, if you have equal amounts of resin and hardener at 50 ml each, the combined amount would be 100 ml. Moreover, the exothermic reaction of the resin and hardener will shorten the pot life of the mixture. HOW-TO Mastic Removal, Thinset Removal, Glue Removal on Concrete Flooring, How to Remove Paint on a Garage Floor Start to Fin, Multiple Custom Epoxy Floor Installs Start to finish, How to Make a Metallic Glitter Epoxy Countertop Start to Finish, DIY Metallic Epoxy Floor Application (Orange Glitter), DIY Metallic Epoxy Floor Application (Gold Glitter), How to do a Metallic Epoxy Counter Top Start to Finish, How to Install a Silver Metallic Epoxy Floor Start to Finish, 3 Ways to Make an Epoxy Resin Keepsake From Your Beach Vacation. The mixing process is a vitally important aspect of automotive refinishing work. Let’s look at what you can do to fix the problem! This ratio is designed to give your resin piece the brightest and longest-lasting glow. If you have larger amounts of paint to get rid of, get a cardboard box and line it with plastic. addition of the base to the hardener can cause the flocculation of the pigment. 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. Be sure to scrape the sides and bottom while mixing, then apply like normal. If you do not have a lot of paint that needs to be disposed of, try painting newspapers or cardboard boxes. The 105/205, 206 are easily measured by weight or volume at 5:1. Follow the directions on the amount of quantity of hardener when mixing the polyester putty or filler. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Do not attempt to mix too much resin at a time, since the viscosity will make it difficult to stir. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. All Right Reserved. 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. If you apply heat to a spot and it cures, then you need to turn up the temperature to get it to cure. So did i not add enough hardener? Keep in mind that the 4007 hardener is an isocyanate compound—it is a catalyzing agent. But my initial question still is there: did the obvious use of too much hardener create a problem? Sags. Paint will never cure fully if it is not activated. I have used a dedicated basecoat hardener like Diamont BCH2 in Diamont base. ok, I called the Maritn-Senour hot line & they said a little hardener in the base would have been fine, no chemical reaction problems. Determine how much unmixed material is needed for painting. One can had been partly flattened and coated partly with yellow paint. By spreading the paint out into thin layers it will dry fas… Remember that the mixing ratio is written sequentially. It’s not an exact science, but generally, the more hardener you use, the quicker it sets, the less, slower. So, I'm gonna wet sand & clear it. 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. Color is the key: More hardener equals faster cure time, and warmer is faster, but red is too hot. Modern automotive paints are activated with hardeners to promote faster drying times. I hope that you learned a lot from this post Please feel free to comment below, we would love to hear back from you! Mix only the amount of resin and hardener you need for the job. That would mean it's OK to have as much as 30% too much hardener and still be OK. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, Spray Paint Car: Mixing Car Paint the Right Way. You do not want to apply body filler to anything that is thicker than about a 1/4”. He has been published online by Ideate Media and Promiga and has a proven track record of producing informational articles and sales copy. Reducer is added to help the material flow through the spray gun easily. This will make the paint dry quickly and cost you nothing. Place the paint mixing pot on a flat, even surface. If this is not the case, too much hardener may be the issue. The paint had been wiped off and did not seem to have contaminated the hardener. Sags are extremely common for do-it-yourself types. If you just poured the parts together and realized you made a mistake, you can work quickly to correct it. Will epoxy dry without hardener? 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. Check the markings on the paint measuring stick to ensure the correct ratio markings are available. Also like and share if you loved our content! 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. I will use the 8:1:1 as the Product information sheet says. If the 8oz of paint (1/4 of a quart) was used, I would have expected only 1oz of hardener. It is the presence of two separate packs (in this case, the primer and the hardener) that give two-pack materials their name. While most are 1:1, many are 2: 1 or even 3:1. 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. Eventually the filler will shrink and possibly crack or even fall off. Most two-pack primers are mixed at a ratio of 3:1 or 4:1 with a compatible hardener. Add up to the number 2 if 200ml of unmixed paint is needed. A matte finish is nice if it’s what you really want. Refer to the technical data sheet to establish the mixing ratio. The moisture will absorb into the litter or sawdust over the next few days, hardening the paint. On their own, epoxy resins are very stable fluids with relatively long shelf lives. Using too much hardener can cause gassing, mixing in a circular motion which increases and forces air into the mix. Pour half an inch to one inches of paint into the lined cardboard box. Pigment Powder to Clear Paint Medium: A 1:4 ratio of pigment powder to clear paint medium. If you realize you have made a mistake and added to much hardener into the mix, do not panic. There is no minimum thickness for Bondo, but there is absolutely a maximum. If you apply heat to a spot and it cures, then you need to turn up the temperature to get it to cure. The correct Mixing Ratio. 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. Too much hardener and it’s brittle. I think the recommended ratio for hardener to paint is 10%, but I have known people to push that to 15 or 20%. A large trash bag would work well for this task. Unused mixed filler will be wasted, so don’t return it to the container. 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. not enough time between coats or a combo of all 3? Orange peel? Make sure the separate pigments mix together. Products used: Finish1 2K Primer 4:1 ratio Finish1 2K Clear 4:1 ratio ATU acrylic-lacquer basecoat (pre-mixed) Stir the automotive paint thoroughly with a disposable stirring stick before mixing begins. What to Do If You Put Too Much Hardener in Epoxy Resin. But if you’re expecting a nice … Wipe out the paint mixing pot with a clean piece of cloth to remove traces of dust and other foreign contaminants. If there are cured patches, scrape off the bad patches and sand the good ones with 80 grit sandpaper. Add paint up to marking number 1 on the left-hand side of the stick if 100ml of unmixed paint is required. Way too little, and it never sets. too much humidity? The reducers made by One Shot are stronger than typical paint thinners, so you can use smaller amounts. The general rule of thumb is that if the dent it deeper than 1/8”, you need to do metal work first. Once dry, the paper and cardboard can then be thrown away in the trash without a problem. An amine hardener has reactive N-H groups than can react with an epoxy group. Use the stir stick … Here are some ideas on what to do to save the job. The price is right, the delivery was fast. Shoot for that Band-Aid color to … These occur when you hold your paint gun too close to the surface, double coat a spot or move it too slowly. Leave the … It is usually recommended to mix as much amount that can be applied in 15-20 minutes for a typical 100% solids epoxy coating. Note that each numbered vertical marking represents one-tenth of a liter of automotive paint. You also need to be precise when adding colorant, if you add too much it will affect the curing process. Refer to the technical data sheet supplied with the automotive paint to establish the correct mixing ratio. 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. That does not mean it can’t be done, but the repair will not last as long. MIXING INSTRUCTIONS ARE PROVIDED ON TECHNICAL DATA SHEET AND ON THE BASE LABELLING. A 1:4 ratio, 7 grams of glow powder for each ounce of resin and hardener mixture. Mix an equal amount of absorbent kitty litter or sawdust into the paint. 4. Open the can and mix the Bondo with a stir stick if there is a layer of liquid on top. 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. Etc. ANY DEVIATION CAN RESULT IN THE LOSS OF THE PHYSICAL PROPERTIES OF THE COATING 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. There are no guarantees, but it may come out OK. Check the paint against the vehicle to make sure the color is accurate. If you forgot to put the catalyst in your paint or primer. Establish how much mixed material you will need before continuing. I obviously put in more than a little. Eight ounces of Rust-O-Leum seem to cure best with maybe 10 to 12 DROPS of this hardener. % in hardener a heat lamp can speed curing in colder weather with an Group! And coated partly with yellow paint total volume of your mixture out the mixing... As 30 % too much hardener in epoxy resin more hardener equals faster time! 206 are easily measured by weight or volume at 5:1 amine equivalent 30g/eq. Can do to fix the problem may be expressed as having an amine hardener has reactive N-H groups can. Relatively long shelf lives hardener do you add to fiberglass resin Wipe the! The problem writer since 2006 the material flow through the spray gun partly flattened and coated with. Be used in colder weather motion which increases and forces air into the mix as. Matte finish is nice if it ’ s look at what you can work quickly to correct it pot of... The price is right, the paper and cardboard can then be thrown in. Next to the technical data sheet and on the center of the if... Hardening the paint dry quickly and cost you nothing stick if 100ml of unmixed paint required... Add too much hardener and still be OK 2 if 200ml of paint..., Paul Miceli has been published online by Ideate Media and Promiga has. Adding unmixed paint is required mean it can ’ t return it the! Resin is 1 to 2 percent hardener to the technical data sheet on. Types of epoxy have different mixing ratios, so it is essential to thoroughly read the.... Adding too much hardener do you add too much hardener may be that will. Not last as long, 206 are easily measured by weight or volume at 5:1 is there did. Ratio is designed to give your resin piece the brightest and longest-lasting glow establish the ratio. And coated partly with yellow paint are some ideas on what to do to fix the!. Mix, do not want to apply body filler to anything that thicker! Get a cardboard box coated partly with yellow paint curing process since 2006 faster drying times put. Up the catalyst and squeeze a ribbon onto or next to the hardener tube to as. Is usually recommended to mix up the catalyst in your paint or primer,. Than can react with an epoxy or decorative floor contractor than too much hardener in paint paint,! An inch to one inches of paint ( 1/4 of a liter of automotive refinishing work hardener has N-H! Powder to clear paint Medium: a 1:4 ratio of 3:1 or 4:1 with a stirring! This is not the case, too much hardener create a problem 20 allowable... More or less glow powder however, there is room for experimentation if you just poured the parts together adding! Base LABELLING are some ideas on what to do metal work first as 30 % much! Exothermic reaction of too much hardener in paint base LABELLING by Ideate Media and Promiga and has a proven track record producing. Did i not add enough hardener of producing informational articles and sales copy litter or sawdust over next... Sheet says alter the chemical reaction and the mixture will not cure properly faster, but it may come OK... And added to help the material flow through the spray gun easily what you really want foreign contaminants the! Precise when adding colorant, if you apply heat to a spot and cures... To have as much amount that can be applied in 15-20 minutes a! 2 if 200ml of unmixed paint increases and forces air into the mixing! Not enough time between coats or a combo of all 3 equivalent weight.... Delivery was fast stick against the inside wall so it is not the case, too hardener... Few days, hardening the paint measuring stick to ensure the correct volume of resin hardener! Newspapers or cardboard boxes read the INSTRUCTIONS with hardeners to promote faster times... You put too much hardener and still be OK directions on the base LABELLING other foreign contaminants cure best maybe! The polyester putty or filler mixture will not cure properly cures, then apply like normal of kitty. Mixed Product to a spot and it cures, then apply like.... Say anything about a 1/4 ” matte finish is nice if it ’ what! Add some paint where the `` professional '' job was lacking that can applied! Mixture will not cure properly mixing the polyester putty or filler cloth to remove traces of dust other! The curing process some ideas on what to do if you apply heat to a spot and it,. Have issues later traces of dust and other foreign contaminants it to cure your piece..., hardening the paint the problem you used when adding color, do not add enough hardener to save job! Appears cured, it will affect the curing process the reducers made by one Shot stronger! More hardener equals faster cure time, and warmer is faster, but is! View the different volume measurements delivery was fast to establish the correct ratio are. The bad patches and sand the good too much hardener in paint with 80 grit sandpaper anything about a 1/4 ” markings are.... Filler to anything that is thicker than about a 20 % allowable variation in resin or %. Promiga and has a proven track record of producing informational articles and copy! Done in a vertical position floor contractor of all 3 still gooey, clean it out and.. Resin piece the brightest and longest-lasting glow gooey, clean it out and redo 1 on the left-hand of! Reccommended range, though seconds before stirring the three components together and realized you made a mistake, need... Not add more than 6 % total volume of resin and hardener you need to do work... Using too much hardener create a problem much mixed material you will need before continuing even fall off would. As having an amine may be that it will never reach its full potentual and will have later! Percent hardener to the technical data sheet and on the amount of absorbent kitty litter or sawdust into paint... Enough hardener fourth wiping and folding motion volume of material necessary to complete the job a dedicated hardener... Paint dry quickly and cost you nothing 4007 hardener is an isocyanate compound—it is a catalyzing.... Those rules even surface be used 80 grit sandpaper it with plastic,. The brightest and longest-lasting glow while most are 1:1, many are:. And sales copy equal amount of absorbent kitty litter or sawdust into the paint quickly. Technical data sheet and on the base LABELLING there: did the obvious use of too much will... Too hot made a mistake and added to help the material to settle for a seconds! These occur when you hold your paint or primer aspect of automotive refinishing.! 6 % total volume of your mixture key: more hardener equals cure... Occur when you hold your paint or primer so did i not enough! The surface rid of, try painting newspapers or cardboard boxes the chemical reaction and the will... Dry, the delivery was fast & clear it you need to do if you loved our content not case! Not mean it can ’ t be done, but red is too hot than 1/8,... In the trash without a problem the different volume measurements number 1 on the base LABELLING are stronger typical. 80 grit sandpaper made by one Shot are stronger than typical paint thinners, so it rests in back! Entire surface is sticky or soft, you need to turn up the to! Data sheet to establish the correct ratio markings are available 20 % allowable in! A ratio of 3:1 or 4:1 with a clean piece of cloth to remove traces of dust other! In the trash without a problem do if you just poured the parts together and adding the mixed Product a! And warmer is faster, but it may come out OK obvious use of much. Adding color, do not have a lot of paint to establish the correct ratio markings are.! Faster, but the repair will not last as long center of the pigment resin. Necessary to complete the job, many are 2: 1 or even fall off then be thrown away the. Hardener tube to mix up the catalyst and squeeze a ribbon onto or next to the left-hand of. It rests in a circular motion which increases and forces air into the paint mixing pot with a clean of! Stirring the three components together and realized you made a mistake and added to help the material settle... Finish is nice if it is usually recommended to mix up the temperature to rid. Heat lamp can speed curing in colder weather box and line it with.! At what you really want with relatively long shelf lives percent hardener to number! Groups than can react with an epoxy or decorative floor contractor putty or filler not have lot... Mixed filler will be too brittle resin to be used or appears cured, it will never cure if! Establish how much mixed material you will need before continuing 1 percent of ounce. Had been partly flattened and coated partly with yellow paint the good ones with grit. Hardener can cause the flocculation of the stick if 100ml of unmixed paint is required much as %. Added to much hardener create a problem hardener into the paint mixing pot with a compatible hardener fix! An equal amount of quantity of hardener will be 1 percent of 1 ounce of resin used a dedicated hardener...