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Polyester Gel Coats


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White Gel Coat
Ultra White Gel Coat


#682 White Gel Coat is a highly durable ISO gel coat and is the industry production standard for molding applications. Use as a sandable base coat for painting or polish to a high luster finish. Spray unthinned into molds using a cup gun or blend with #1040 Duratec Hi-Gloss Additive when performing repairs.
Formulated for 1.5% MEKP.

682/69-A kit contains (1) QUART RESIN, (1) 69-A.
682/69-B kit contains (1) GAL RESIN, (3) 69-A.
682/69-BK kit contains (4) GAL RESIN, (9) 69-A.  
Clear Gel Coat
Super High Gloss


#180 Clear Gel Coat is a high performance, premium quality gel coat for both airless and air atomized spray applications. #180 offers UV light stability, excellent clarity, crack and chemical resistance. This deep, crystal-clear and non-yellowing gel coat is compatible with underwater and water contact marine applications as well as sanitaryware such as showers and tubs. It is recommended to be used as a protective clear coat over other colors or glitterflake. Blend with #1040 Duratec Hi-Gloss Additive when top coating.
Formulated for 1.5% - 2.5% MEKP.

180/69-F kit contains (1) QUART RESIN, (1) 69-A.
180/69-A kit contains (1) GAL RESIN, (3) 69-A.
180/69-BK kit contains (4) GAL RESIN, (9) 69-A.  
Neutral Gel Coat
Pigmentable for Bold Colors


#684 Neutral Gel Coat is a high performance, premium quality ISO gel coat formulated specifically for use with pigment to obtain superior color consistency and opacity. #684 cures to a brilliant gloss and is ideal for applications needing an opaque, lustrous and colorful surface. #684 is compatible with underwater and water contact marine applications. Spray unthinned into molds or blend with #1040 Duratec Hi-Gloss when top coating.
Formulated for 1.5% MEKP.

684/69-A kit contains (1) QUART RESIN, (1) 69-A.
684/69-B kit contains (1) GAL RESIN, (3) 69-A.
684/69-BK kit contains (4) GAL RESIN, (9) 69-A.  
Orange Tooling Gel Coat
Extend the Durability of Molds 


Tooling Gel Coat is an abrasion resistant gel coat for making molds where gloss retention, superior hardness, exceptional craze resistance and minimum distortion are paramount. Our Orange tooling gel coat offers excellent contrast allowing you to gauge the gel coat coverage and tell the difference between your finished part and the mold. The life of a good polyester mold may be extended considerably by the use of tooling gel coat. For best results, build the film thickness to 20 -25 mils. #1040 Hi-Gloss Additive can be added to further upgrade the gloss.
Formulated for 1.5% - 2.5% MEKP.

188/69-A kit contains (1) QUART RESIN, (1) 69-A.
188/69-B kit contains (1) GAL RESIN, (3) 69-A.
188/69-BK kit contains (4) GAL RESIN, (12) 69-A.  
Black Tooling Gel Coat
Extend the Durability of Molds 


Tooling Gel Coat is an abrasion resistant gel coat for making molds where gloss retention, superior hardness, exceptional craze resistance and minimum distortion are paramount. Our #186 Black Tooling Gel Coat is often used on molds that will be used to make parts with a white gel coat. The contrast of the colors allows you to gauge the gel coat coverage and tell the difference between the part and the mold. The life of a good polyester mold may be extended considerably by the use of tooling gel coat. For best results, build the film thickness to 20 -25 mils. #1040 Hi-Gloss Additive can be added to further upgrade the gloss.
Formulated for 1.5% - 2.5% MEKP.

186/69-A kit contains (1) QUART RESIN, (1) 69-A.
186/69-B kit contains (1) GAL RESIN, (3) 69-A.
186/69-BK kit contains (4) GAL RESIN, (12) 69-A.  
Duratec Clear Hi-Gloss Gel Coat Additive
Spray Gel Coat Like Paint


Our #1039 and 1040 Duratec® Clear High Gloss Additive can be mixed in a 1:1 ratio with regular gel coat to reduce viscosity and porosity while improving gloss level and permitting a complete open air cure. They can also be blended with a 15% ratio to tooling gel coats to upgrade mold surfaces, improve gloss retention, increased impact resistance and reduce heat distortion.

The reduction in viscosity allows gel coats to be sprayed controllably through siphon and HVLP equipment, reducing sanding and polishing time. When used for repairs, this product will result in a low porosity surface.

When making below the waterline repairs, we still recommend adding our #71 Styrene Wax for maximum hardness.
Requires 2% MEKP. 
MEKP Hardener
Industry Standard Catalyst


#69 MEKP is required with all Polyester Resins, Gel Coats and Vinyl Ester Resin. It is required in different concentrations as defined for each resin product. Each resin product is available as a kit with the correct amount of hardener. However, hardener may be purchased individually as shown here.
(DDM-9)  
Styrene Thinner
General Purpose 
#70 Styrene Monomer is the recommended and accepted thinner for polyester resins and gel coats. Most gel coats can be thinned 2-5% to make them suitable for heavy spray equipment or other special purposes.   
Styrene Wax
Get a Complete Cure 
# 71 Styrene Wax is a 5% solution of paraffin dissolved in styrene that may be added to non waxed polyester resins and gel coats to prevent the prolonged tackiness associated with thin sections of polyesters. If the resin contains paraffins, the wax will rise to the surface and protect the curing resin from the inhibiting action of the air. However, if the resin is allowed to fully cure, the paraffins on the surface will prevent adhesion of further coats of resin and must be sanded off prior to additional applications. We recommend adding #71 at 5% for thin coatings. Use with #1040 Hi-Gloss Additive when performing repairs below the water line. 

Color Gel Coat
You can place your order right here on our website or, if you have any questions, call 1.800.838.8984 | 8:00am - 8:00pm EST Mon-Fri.



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