This will slow down the cure time. Tinting: Gel coat repair putty may be tinted using Pigments designed for use in resins and gel coats. An area of gelcoat adjacent to that being repaired is dewaxed, lightly wet-sanded (600 grit), compounded and wiped with acetone or lacquer thinner to expose fresh, clean gelcoat. As low as $12.32. Milled Fibers: Finer than chopped glass, makes a harder putty that is strong and coarse. If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. Usage: As little as one drop of pigment per quart of resin for a very light tint, upto 1/4oz per gallon for a darker appearance. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small . For smaller repairs, you should consider a gelcoat repair kit (available in 1oz and 4 oz kits) that include a gelcoat paste and the tints for custom matching. Mix MEKP 1-2% into putty prior to use. 30 Drops is approximately equal to one CC (Cubic Centimeter) Adding color to white gelcoat creates lighter, pastel colors. Use the color chart below to determine how to tint your gel coat. 2. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. You simply place the color chart on the gelcoat to be matched and add a few drops of pigment. Transparent Pigments. We recommend a trial batch to determine final catalyst ratio. When toning or adjusting colors with Gelcoat pigments, be sure "not" to add more than 5% pigment to the Gelcoat. It is always best to make a test sample before use! Let the polyester filler cure until material is firm and tack free, about 10 minutes. Step 1: Mix a reasonable amount of non-catalyzed gelcoat (enough for a total repair, (plus some spare, for future use). Gel coat is a polyester resin and uses MEKP as the catalyst. 1. 3. per gallon). 10X62 Fire Engine Red Pigment. (5% mix ratio) Only the pigment is supplied. Add the MEKP to the . Available in 1 oz and 4 oz containers. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. 1. If you are using gelcoat color for boats, we also recommend taking our physical gelcoat color matching chart outdoors to view it in the correct lighting. This liquid pigment can be added to polyester, epoxy and vinyl ester resins to achieve a colored transparent resin which will allow light to pass through. During cure, causing obvious surface distortion and low gloss. The typical bass boat will use 2-3 lbs of metal flake in the gel coat. Description For use in Polyester Based Resins, Gel Coats and Epoxy. Most re-sprayed gel coat . Usually it is recommended to use around 16 oz of metal flake per gallon of gel coat and personal preference plays a role as there us no magic ratio for adding flake. of respondents would recommend this to a friend. Keep on adding the pigment and mixing until you have found an exact color match. per quart (2 oz. . Catalyst (MEPK) Ratios for Gelcoat and Resins Add the MEKP to the Gelcoat before thinning. of Gelcoat = 2% 3% is the Maximum ratio. Good Strength and darker pigment. per gallon). If the exact color you need is not available, a very true color "reproduction / match" can be achieved when mixing different color pigments together to "blend" into the color desired. As low as $11.17. Fairing Compound; Primer 4; TOPCOAT 7; wash 2; Bottom . Note that lighter colors require roughly 6 to 8 fl oz of pigment per gallon of resin and 4 fl oz per gallon for darker colors. This kit is specifically designed for matching gelcoat colors and achieves perfect color matches and professional looking gelcoat repair jobs. Only the pigment is supplied. Mix the gel coat inside a pail thoroughly with a paint stirrer to disperse the metal flakes. Under-cure from other causes. . Available in 9 popular colors, sold separately, or . Pigment Darting. all 14 colors shown above. Generally speaking and depending on the temperature a catalyst ratio of between 1.2% to 3% will give you the proper cure rate.. At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Contamination. Sand it down with 80 grit sandpaper until it's flush with the surface of the fiberglass. Gelcoats also have a maximum concentration of colorant that can be added to retain proper cured propertiesthis is usually 5-20%, and it varies by manufacturer. Demonstration on how to add pigment to gel coat or resin. Due to some tricky and expensive hazards goods rules around shipping, in most case these items will need to be sourced locally. Avoid very thin films where surface area to volume ratio is high. Walnut Shells: Brown in color and preferred for wood putty or nonskid since it has large particles. Now add 10% (some pigments go up to 15%) by weight, of the polyester pigment paste of the desired colour (in 6kg of clear gel coat you will add 10% of pigment being 650 grams added). Gel Coat Pigment 5; Gel Coat White No Wax 3; Gel Coat White with Wax 4; Gelcoat Clear No Wax 1; Neutral Gel Coat 4; Tack Free Additive 2; Tooling Gel Coat 3; Hardware 3. Ideal for color matching gelcoat and tinting epoxy for art applications, river tables, furniture, and woodworking projects. Opaque, thin paste pigments for coloring epoxy resin, polyester resin, and gelcoat products. Check the temperature of the Gelcoat stock and insure that it is not below 70F. For example, four drops of hardener will be 1 percent of 1 ounce of resin. Wrong catalyst. With the various fillers, for the right working consistency, you'll want about 60-70% mix to resin ratio. As low as $6.76. per quart (2 oz. For a list of our pigment, go to www.fiberglasswarehouse.com. Adding color to neutral gelcoat creates bold, darker colors. Optimum Ratio's by CC's @ 1.5% 75F Maximum Ratio's "May Effect Color" by CC's @ 3% Gallon 64.5cc 129cc Quart 15cc 30cc Pint 7.5cc 15cc . It's important that the fiberglass is clean before you gelcoat over it. These smooth and concentrated pigments match and blend with polyester resins, gel paste, epoxy resins, and putty. . Too little catalyst will take too long to cure. Normally use .5 oz. Approximately ten drops of MEKP to each 1/2oz. Clear gelcoat and catalyst will need to be purchased separately. AWLGRIP 14. (5% mix ratio) FASTENERS 1; Hardeners 3. If the exact color you need is not available, a very true color "reproduction / match" can be achieved when mixing different color pigments together to "blend" into the color desired. 10x50 Mustard Gold Pigment. Do not use more than 1 oz tint per quart. The increase or decrease of MEKP will effect the pot-life and cure time of the gel coat. . MEKP (Catalyst Ratio) The weight of MEKP is 1/125 grams per CC. Mix in MEKP at 1% to 2%. Allow gel coat to cure for longer time. We are pleased to say that now we can supply many of our older colours again and ship them worldwide, gelcoat Pigment is our solution! 10X63 Red/Orange Pigment. From www.ecfibreglasssupplies.co.uk this is a short video showing how to add pigment and catalyst to gelcoat - one of our most frequently asked questions. TotalBoat White Gelcoat (with wax or without wax) can be tinted by adding up to 1% colorant. BROWN OUT OF STOCK - NO ETA. Use the base color shown above and then add the corresponding gel coat tint (gel coat coloring agent). When color matching, the color of uncured gelcoat shifts when it cures, so you must always cure, wet-sand, then buff a color sample to see if it matches properly. Clear gelcoat and catalyst will need to be purchased separately. These dispersion pigments are suitable for epoxies, polyesters, gelcoats, oil base alkyds, & polyurethanes. Clean the fiberglass surface with ajax or comet and water. For the most accurate depiction of the gelcoat colors that we produce, we recommend looking at our physical gelcoat color matching chart. Pigment darting or specks forming on surface. Coverage Rate 80 sf/gal. 20g of RS Pigment mixed into clear gelcoat will make up 400g of correct colour gelcoat. Normally use .5 oz. 100%. Paint 55. Description For use in Polyester Based Resins, Gel Coats and Epoxy. 10X60 Deep Red Pigment. Too much catalyst and the gel coat may pull away from the mold due to shrinkage. 20g of RS Pigment mixed into clear gelcoat will make up 400g of correct colour gelcoat. Cream Hardeners 1; MEK 2; Ultra Violet Catalyst 1; Mold Fabrication 23. As low as $5.16. a. EP1707594A1 EP05007034A EP05007034A EP1707594A1 EP 1707594 A1 EP1707594 A1 EP 1707594A1 EP 05007034 A EP05007034 A EP 05007034A EP 05007034 A EP05007034 A EP 05007034A EP 1707594 A1 EP1707594 A1 EP 1707594A1 Authority EP European Patent Office Prior art keywords gelcoat filler pigment aluminium blue Prior art date 2005-03-31 Legal status (The legal status is an assumption and is not a legal . Pre-release of gel coat. Tacky to Touch 4.5-6 hours Set to Touch 6 hours Full Cure 7 days Clean-Up Isopropyl/Denatured Alcohol or Warm Soapy Water Recommended Storage Temperature 15-25 C (59-77 F) Shelf Life 2 years; unopened $39.75. Product Description. White gel coat can be bought ready mixed with the correct amount of white pigment (can be up to 15% of pigment loading). Below is a downloadable color chart showing all of our . Dispersion pigments or colorants are used with polyester resins, epoxies, and white or neutral gelcoat to create custom colors and match existing finishes when used for repairs. $ 11.99 - $ 109.99. Can be Tinted with Pigments Suitable for Gelcoat and Polyester Resins . To thin the gel coat, use styrene monomer. GelCoat Product Information Mix Ratio 1.5:1 by volume Working Time 20-30 minutes Recommended Application Thickness 20 mil. 10X62430 Dragon Red Pigment. Into putty prior to use over it mixed into clear gelcoat will make up 400g of correct colour gelcoat inside # x27 ; s flush with the surface of the gelcoat to be purchased separately color matching and. Surface of the gelcoat to be purchased separately, Polyester resin, and woodworking projects make gelcoat pigment ratio 400g correct., go to www.fiberglasswarehouse.com separately, or the corresponding gel coat, use styrene. 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