Rectangle Stock PTFE Standard Plastic Length 4 ft Plastic Width 0.25 in Plastic Thickness 0.1875 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 Plastic Density 0.078 lb/cu in Corrosion and Chemical Resistance Excellent