Sheet Stock PEEK Grade Standard Plastic Length 6 in Plastic Width 6 in Plastic Thickness 0.25 in Beige Plastic Clarity Opaque Tensile Strength 13 500 psi Impact Strength 1.0 ft-lb/in Friction Coefficient 0.25 Water Absorption 0.2 Percent Temperature Range -20 Degrees to 480 Degrees F Plastic Density 0.047 lb/cu in Plastic Hardness Rockwell M100