Polyethylene Sheet, Material Polyethylene, Shape Sheet, Grade Standard, Length 24 in, Width 24 in, Thickness 1/2 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 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