K5442 Sheet Stock UHMW Polyethylene Grade Standard Plastic Length 4 ft Plastic Width 24 in Plastic Thickness 0.25 in Black Plastic Clarity Opaque Tensile Strength 4 000 psi Impact Strength No Break Friction Coefficient 0.14 Water Absorption 0.01 Percent Temperature Range -22 Degrees to 180 Degrees F Plastic Hardness 67D