Check the listing for details. GRAINGER APPROVED 1001323Y Polyethylene Sheet,L 4 ft,Yellow 30WM68. Width: 48 in, Condition: New. Listed at 95.33 USD. Polyethylene Sheet, Material Polyethylene, Shape Sheet, Grade Standard, Length 4 ft, Width 4 ft, Thickness 1/4 in, Backing Type Adhesive, Cell Type Closed Cell, Adhesive Type Acrylic, Number of Adhesive Sides 1, Color Yellow, Density 4 lb/cu ft, Maximum Temperature 180 Degrees F, Minimum Temperature -100 Degrees F, Maximum Adhesive Temperature 225 Degrees F, Minimum Adhesive Temperature -34 Degrees F, Tensile Strength 85 psi, Texture Smooth, Firmness @ 25 Percent Deflection 14 psi Designed with PSA (pressure sensitive adhesive) backing for a firm hold, this crosslinked polyethylene foam sheet offers high tensile strength and tear resistance. It's ideal for cushioning, packaging, flotation, and shock absorption applications. The crosslinking process adds resilience, elasticity, and temperat.