Plastic Sheet UHMW Polyethylene Grade Antistatic Plastic Length 4 ft Plastic Width 4 ft Plastic Thickness 0.25 in Black Plastic Clarity Opaque Tensile Strength 4 400 psi Impact Strength 16.0 ft-lb/in Friction Coefficient 0.15 Water Absorption 0.01 Percent Temperature Range -20 Degrees to 180 Degrees F Plastic Density 0.036 lb/cu in Plastic Hardness 60D