Demonstration on how to add pigment to gel coat or resin.
Add pigment to polyester laminating resin.
Epoxy resin does not shrink when cured while polyester resin does based on the.
Start with a small amount of color pigments or liquid color concentrate and mix well.
Totalboat polyester laminating resin.
The rule of thumb is a maximum of five percent.
Gel coats pigments add color increase durability and enhance the appearance of composites parts.
It is used in a wide variety of projects including boats car bodies kayaks surfboards patio decks and aircraft.
It has a quick cure and adds dimensional stability.
Gel coat is typically sprayed in a mold and the structural laminate or cast polymer matrix applied behind the gel.
Epoxy is ideal for adhesive applications because it cures fully when applied as a thin film.
When you are satisfied then add the catalyst polyester resin or hardener epoxy resin and laminate your board.
If the grooves are more than 1 4 in.
I mix clr general purpose laminating resin with the cls hardener to create an epoxy with a slow pot life 20 to 60 minutes good clarity and that gives off little heat as it cures.
Deep switch to a casting resin for a longer pot life.
Start by mixing your colors into the resin and spreading it on some scrap foam or white paper to see how the color will look.
It is affordable and easy to use.
Don t use quick set epoxies intended for repairs.
Polyester laminating resin also known as fiberglass resin is the most commonly used resin in the industry.
Repeat this step until the desired color intensity is achieved.
Polyester resin requires mekp hardener.
Wait 25 minutes after finishing the lay up then spray on two light coats.
If you want to avoid adding wax to your thin polyester layup or repair spray pva mold release over the lamination or repair and the resin will cure tack free.
Be careful not to add too much color as this will change the mixing ratio.
Polyester resin is used more for fiberglass lay up or if you re going to finish a repair with gelcoat as the polyester resin will bond to the gelcoat better than epoxy.
Gel coats are specialized polyester or vinyl ester resin formulations that are formulated as an in mold coating to provide appealing cosmetics and protect the underlying laminate.
Keep adding a little at a time.
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Then mix the ready paint into the epoxy resin.
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