#1 Silica - 22 pound bag
Primary Use: As a high-density thickening agent in fillets or fairing putties to prevent sagging. Also for structural gluing applications.
#1 Silica is the best all around filler. Added to other fillers, it will improve their workabilty. Sandability can be improved by adding Microspheres. Order on the basis of approximately 1/2 pound per gallon for a creamy consistency or approximately 1-1/2 pound for filleting purposes.