too much hardener in paint

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

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