Polyethylene Sheet, Material Polyethylene, Shape Sheet, Grade Standard, Length 4 ft, Width 4 ft, Thickness 3/4 in, Backing Type Adhesive, Cell Type Closed Cell, Adhesive Type Acrylic, Number of Adhesive Sides 1, Color Gray, Density 2 lb/cu ft, Maximum Temperature 225 Degrees F, Minimum Temperature -40 Degrees F, Tensile Strength 40 psi, Texture Smooth, Firmness @ 25 Percent Deflection 9 psi, Material Skin None, Flexibility Poor, Standards FMVSS 302, Chemical Resistance Good, Oil Resistance Good