Hardener Hd 1/2 Gallon

• Has proven successful in reactive resin, urethane and polyester bowling balls.

• Excellent adhesion to all cover stock materials.

• Extremely crack, chip and impact resistant.

• Virtually no post-cure shrinkage so you will not have to worry about separation or flat spots.

• No air bubbles as it allows trapped air to escape before it cures.

• Drills straight and true without bit chatter or chipping around the rim.

• Cures in 6-8 hours at recommended temperatures.

• 3:1 ratio of resin compound to hardener.