Sheet Stock PTFE Grade Standard Plastic Length 12 in Plastic Width 8 in Plastic Thickness 0.25 in White Plastic Clarity Opaque Tensile Strength 3 000 psi Impact Strength 3.5 ft-lb/in Friction Coefficient 0.07 Water Absorption 0.01 Percent Temperature Range -290 Degrees to 500 Degrees F Plastic Density 0.078 lb/cu in Plastic Hardness 55D