Polyethylene Sheet Material Polyethylene Shape Sheet Grade Standard Length 4 ft Width 4 ft Thickness 3/4 in Backing Type Plain Cell Type Closed Cell Adhesive Type Plain Backing Number of Adhesive Sides 0 Color White Density 2 lb/cu ft Maximum Temperature 150 Degrees F Minimum Temperature -20 Degrees F Tensile Strength 45 psi Texture Smooth Firmness @ 25 Percent Deflection 9 psi Material Skin None Standards UL 94 HF-1 Chemical Resistance Good Oil Resistance Good