Rectangle Stock UHMW Polyethylene Glass-Filled Plastic Length 4 ft Plastic Width 2 in Plastic Thickness 0.75 in Blue Plastic Clarity Opaque Tensile Strength 4 400 psi Impact Strength 16.0 ft-lb/in Friction Coefficient 0.15 Water Absorption 0.01 Percent Plastic Density 0.038 lb/cu in Corrosion and Chemical Resistance Good