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Gel Coat, White One Gallon $67.95

$67.95

Gel Coat, White One Gallon $67.95

$67.95
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one gallon gelcoat
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Product Description

 



Gelcoat sold on stores weighs 9 pounds per gallon, this professional grade gelcoat weighs 10 lbs per gallon.  it is of the highest quality, it has almost no shrinkage when used in molds. It would retail  ( if available in stores ) for nearly $100 per gallon. 

How to mix gelcoat video === https://www.youtube.com/watch?v=BWm5aF9u7qo

THIS IS COMMERCIAL GRADE , VERY HIGH QUALITY GELCOAT ! You can not buy it in stores.  IT CURES TO A VERY HARD FINISH

This is white gelcoat, it is tinted white, it can not be colored...

(EXCEPT  black tint can be added to make the gelcoat grey)

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We now have in stock crushed walnuts that can be added to the gelcoat to make a non skid finish.

these crushed walnuts will be supplied free of charge with the gelcoat if you request  them  at time of purchase

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One gallon of white Gel-Coat .

This is unwaxed Gel-Coat, to be applied to the inside of molds.

It can be used as a topcoat if you add wax , which we supply with every gallon, free of charge .
We also supply MEKP hardener, and directions with every gallon free of charge .

Polyester Gel-Coat Base White - un waxed can not be colored  (except black tint to make it grey)

One gallon. Iso Polyester base. UV stabilized for durable weather properties. Use no less than 1/2 % MEKP, no more than 2% MEKP. Mix thoroughly for 2 minutes.  We supply directions with every gallon to tell you how much hardener to use. Pot life is approximately 15-25 minutes at 77 degrees Fahrenheit. Complete cure is approximately 45 minutes to 4 hours. Do not use under 60 degrees Fahrenheit. Clean surface and wipe clean with a dry rag. Apply with a Roller or Brush or cup gun application. Best results are achieved when you spray it with a cup gun. . Covers approximately 20 sq. ft. per quart, or 100 sq ft per gallon. Do not add color, this is colored white.
. May be thinned with acetone , adding no more than 15% by volume. , Clean up with Acetone

Read and follow all of the safety directions on the can.

please call with any questions before using. 1-800-507-2003
 

gelcoat does bond to a properly cured and prepared epoxy surface.
There is a common misconception, fueled by some gelcoat manufacturers and by some expensive failures in the field, that gelcoat will not bond to epoxy. Polyester resin bonds poorly in a secondary (mechanical) bonding situation which consequently makes epoxy the resin of choice for repairs. How can one be squared with the other?

The answer is surprisingly simple - gelcoat does bond to a properly cured and prepared epoxy surface. There are a couple issues to be aware of to have success making this repair. There are three situations that cause gelcoat to not cure over epoxy... all related to the hardener chemistry. Epoxy hardeners are basically a blend of amines, which can terminate the chain reaction of the radical molecule that is the basis of polyester (and vinylester) cure chemistry. So by carefully mixing, curing, and preparing of the epoxy so that there are no unreacted amines to interfere with the gelcoat cure, gelcoat bonds quite well to epoxy.

The first situation is undercured epoxy. Gelcoat applied to undercured epoxy will be in contact with unreacted amines and the cure will be halted.

The second situation is if the epoxy is mixed off ratio so that it is hardener rich, again leaving unreacted amines free to interfere.

Third is the issue of amine blush, commonly called blush. Blush is a surface phenomena that is a reaction of the amine molecules at the surface with the carbon dioxide in the air. It forms easiest in the presence of moisture, so working in cool, humid environments will maximize the formation of blush. Any amine hardener has the potential to blush, Regardless of chemistry, blush is very easily dealt with because it is water soluble. A simple wash with clear water removes the blush. No soap, no solvents. Then sand that washed surface with 80 grit paper to provide the gelcoat with sufficient key so it won't run. Be sure to use non-air inhibited gelcoat that has a paraffin wax added. Gelcoat is applied over epoxy on a routine basis everyday in boatyards that are aware of these issues.

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