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Hardener

$3.00
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Hardener
QTY

Rocket Supply includes the required amount of paste hardener with each order of polyester resins, acrylics, and certain epoxies free of charge. Extra hardener can be purchased on this page at an additional cost.

ONLY use the amount of hardener specified on the adhesive product label.  Using “too much” hardener will cause the adhesive to become brittle, weakens the bonding strength and can cause discoloration even in colder temperatures.

For maximum performance, it is recommended to mix the adhesive and hardener in a disposable paper cup.  It is best to avoid using scrap pieces of cardboard or scrap pieces of stone.

1 oz. hardener goes with one quart of glue, 4 oz. hardener goes with one gallon of glue

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