Polyethylene Sheet: Std, 4 ft x 4 ft, 3/8 in Thick, Blue, Closed Cell, Plain, Firm (≥14 psi), Smooth
Item: 30WM81,
MFR: 1001328BLU,
Brand: GRAINGER APPROVED
| Foam Shape | Sheet |
| Material | Polyethylene |
| Grade | Standard |
| Cell Type | Closed Cell |
| Color | Blue |
| Thickness | 3/8 in |
| Length | 4 ft |
| Width | 4 ft |
| Firmness | Firm (≥14 psi) |
| Foam Backing | Plain |
| Texture | Smooth |
| Tensile Strength Rating | Good (50-99 psi) |
| Tensile Strength | 85 psi |
| Temperature Range | -100 Degrees F to 180 Degrees F |
| Density | 4 lb/cu ft |
| Abrasion Resistance | Excellent |
| Chemical Resistance | Good |
| Oil Resistance | Good |
| Water Resistance | Good |
| Weather Resistance | Good |
| Standards | MVSS 302 |
| Nominal Size (WxL) | 4 ft x 4 ft |