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