Closed-cell Foam Density (nominal) | C303 | 1.35lb/ft |
Compressive Resistance at 10% Strain Deformation | D1621,C165,C203 | 13.0psi (90kPa) |
Flexural Strength | D1621,C165,C203 | 30.0psi (208kPa) |
Thermal Conductivity (R-Value) at 75°F±2°F | C177,C518 | R4.45/in |
Water Absorption by Total Immersion (Moisture Resistance) | C272 | 3% by volume |
Water Vapor Permeability (Class III Vapor Retarder) | E96 | 3.5perm/in |
Capillarity | — | none |
Maximum Service Temperature (long term) | — | 167°F = 75 Celsius (°C) |
Maximum Service Temperature (intermittent) | — | 180°F = 82 Celsius (°C) |
Flame Spread | E84-81A | 5 @ 4″ |
Smoke Developed | E84-81A | 105-190 |