Rectangle Stock, PTFE, Standard, Plastic Length 4 ft, Plastic Width 3 in, Plastic Thickness 0.75 in, Black, Plastic Clarity Opaque, Tensile Strength 3,000 psi, Impact Strength 3.5 ft-lb/in, Friction Coefficient 0.07, Water Absorption 0.01 Percent, Plastic Density 0.078 lb/cu in, Corrosion and Chemical Resistance Excellent