Plastic Sheet Stock UHMW Polyethylene Oil-Filled Plastic Length 4 ft Plastic Width 1 in Plastic Thickness 0.25 in Gray Plastic Clarity Opaque Tensile Strength 4 000 psi Impact Strength No Break Friction Coefficient 0.14 Water Absorption 0.01 Percent Plastic Density 0.034 lb/cu in Corrosion and Chemical Resistance Good