Rectangle Stock, PTFE, Glass-Filled, Plastic Length 4 ft, Plastic Width 0.5 in, Plastic Thickness 0.25 in, Off-White, Plastic Clarity Opaque, Tensile Strength 2,500 psi, Impact Strength 2.5 ft-lb/in, Friction Coefficient 0.08, Water Absorption 0.02 Percent, Plastic Density 0.08 lb/cu in, Corrosion and Chemical Resistance Excellent