This is a Grade C-4 vermiculite. A premium, fine particle size meeting ASTM C516 Type 1, Grade 4 specifications. This grade is widely used as an aggregate in lightweight concrete. Additional uses include the use as an effective carrier and dispersant in animal feeds, and as an absorbent for liquid spills.
This is a screened product so dust is severely minimized. Average particle size is a little smaller than 1/16". Unit weight: 6.5-8.5 lb/cf
Traits of vermiculite:
-Low thermal conductivity
-High water holding capacity
-Insolubility in both water and organic solvents.
Please Note: This product is asbestos free. We also sell this product as an insulation for folks building brick ovens, or for use in straw bale stucco construction.