Rectangle Stock, Garolite CE, Standard, Plastic Length 24 in, Plastic Width 4 in, Plastic Thickness 0.25 in, Brown, Plastic Clarity Opaque, Tensile Strength 10,000 psi, Impact Strength 1.7 ft-lb/in, Water Absorption 2 Percent, Plastic Density 0.049 lb/cu in, Corrosion and Chemical Resistance Fair