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