GELCOAT ADDITIVES

There are several different additives available for gel coats. They each have a unique purpose. MEKP is the only one that is required. It is the catalyst for polyester resin, vinyl ester resin and gel coats.

Also available are additives that thin the gel coat for spraying, create a tack free surface or make different visual effects. You will want to make sure you read the instructions (technical data sheet) to know how much to add.

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Two ounce bottle of clear MEKP catalyst for polyester and vinyl ester resin systems. 4 ounce bottle of methyl ethyl ketone peroxide. For use with polyester and vinyl ester resins.
Gelcoat Additives, Gelcoats

MEKP Catalyst

Catalyst for polyester and vinyl ester resins including gel coats Typically used between 1.25% and 1.75% Ships within one business day
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Quart metal can of surface seal which is a wax that can be added to polyester resins and gel coats. 2 ounce container surface seal wax to be used with polyester or gel coats to create tack free finish.
Gelcoat Additives, RESIN

Surface Seal

Add to no-wax polyester resins and gel coats Creates a hard tack free surface Great for the final coat Waxed resin must be sanded for secondary bonding Ships within one...
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Gallon can of styrene monomer used to thin polyester resin and gel coats. Quart metal can of styrene monomer used to thin resins and gel coats.
Gelcoat Additives, RESIN

Styrene Monomer

Used to thin polyester resin and gel coats Gives the gel coat better flow when spraying Promotes cross-linking of the resin and catalyst Helps reduce brush marks when brushing Ships...
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Gallon of Super Clear Additive/Coating blended 1:1 with gel coat to create an air cure enamel like coating.
Gelcoat Additives, RESIN

Orca Air Dry Super Clear Coating-Additive- with MEKP Catalyst

Blended 1:1 with gel coat to create an air cure enamel like coating Restores molds to like new condition Ships within one business day
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Two ounce bottle of clear MEKP catalyst for polyester and vinyl ester resin systems.
Gelcoat Additives, Gelcoats

MEKP Catalyst Red - 2 oz

RED Catalyst for polyester and vinyl ester resins including gel coats Typically used between 1.25% and 1.75% Ships within one business day
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Gallon of webbing solution to be used with gel coat to create spatter or cobweb effect. Pint can of Webbing Solution used to create splatter and cob web effects with polyester gel coat.
Gelcoat Additives, RESIN

Webbing Solution

Creates cob web effects Add to gel coat and spray on contrasting colored surface Ships within one business day
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