Rectangle Stock, Acetal Copolymer, Antistatic, Plastic Length 4 ft, Plastic Width 2 in, Plastic Thickness 0.25 in, Off-White, Plastic Clarity Opaque, Tensile Strength 9,850 psi, Impact Strength 0.6 ft-lb/in, Friction Coefficient 0.35, Water Absorption 0.2 Percent, Plastic Density 0.051 lb/cu in, Corrosion and Chemical Resistance Fair