Economy grade material for those projects where maybe performance isn't as important, but you might still want to use a good grade of silicone. Durable yet soft and pliable, use the same as you might use our 1618-1621 but save a little dough. All of the modifiers that are compatible with those systems are compatible with the Purple Stuf. Available in 1 gallon and 5 gallon kits only. Shore A hardness: 18
Includes 40 lb. of Part A, and 4 lb. of Part B catalyst.