TECHNICAL DATA Physical Properties: Blended synthetic fibers and polyethylene film. Inert hot-melt adhesive. Weight...............................12 lbs/roll • 17.28 oz/sq yd • 1.92 oz/sq ft Thickness.................................................................................0.125" Density...........................................................................11.52 lbs / ft3 Compression Resistance @ 25%.............................................. 9.5 psi Compression Resistance @ 30%...............