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Willtec data |
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| Foam Material | Semi-Flexible open cell melamine | |||||||||
| Tensile Strength | 8 PSI (ASTM D3574-77 | |||||||||
| Density | 0.7 lb. / cubic foot ASTM D 1667, D3574-77 |
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| Elongation | 8% (ASTM D3574-77) | |||||||||
| Heat Conductivity | K factor = 0.24 at 50°F R value = 4.2 |
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| Temperature Stability | 0 to 302 degrees F | |||||||||
| Fire Resistance | Class 1 (ASTM E84) | |||||||||
| Chemical resistance | Resistant to organic solvents and various diluted acids and alkali (see additional chart) | |||||||||
| Tear Strength | 0.3 pounds/inch (ASTM D3574-77) | |||||||||
| Indentation load deflection: | Stress strain with 40% compression (ASTM D3574) Single deflection: 130.5 lbs. Repetitive deflections:65.25 lbs. |
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| Compression set: | With 50% compression (ASTM D3574)
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| Pore size | Majority 140-145µ, largest pores approx. 175µ | |||||||||
| Ozone/UV resistance | Resistant to ozone but should not be exposed to strong UV radiation |
| CHEMICAL RESISTANCE | FLAMMABILITY (tests done on 1" thick material) FM VSS 302, automotive: pases UTAC (Union Technique de l'Automobile du Motorcycle et du Cycle): pases (Category 1, buses) UL code 94, electronic: HBF: passes HF1: passes VO: passes ASTM E84, Steiner tunnel test: Flame spread: 5 Smoke emission: 45 Fuel contribution: 0 FAR 25.853, aviation: passes UL1715: passes New York City DOS#0 500-970317-4001 MISCELLANEOUS TESTS: UL 181, microbial growth: passes Boeing DSS 9739, toxic gas generation: passes ASTM G21, fungus resistance: passes |
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| Drinking water | resistant | |
| Distilled water | resistant | |
| Caustic soda (50%) | resistant | |
| Ammonia water (25%) | resistant | |
| Salt acid (10%) | resistant/conditions | |
| Nitric acid (10%) | resistant | |
| Sulfuric acid (10%) | resistant/conditions | |
| Acetic acid (90%) | resistant | |
| Phosporic acid(50%) | resistant | |
| Formic acid (90%) | resistant/conditions | |
| Salt acid (concentration) | nonresistant | |
| Sulfuric acid (concentration) | nonresistant | |
| Lactic acid | resistant | |
| Citric acid (5%) | resistant | |
| Acetic Anhydride | resistant | |
| Sea water | resistant | |
| Welding solution | resistant | |
| Light gasoline (60-140 degrees) | resistant | |
| Heavy gasoline (155-185 degrees) | resistant | |
| Paraffin oil | resistant | |
| Carbon tetrachloride | resistant | |
| Methylchloride | resistant | |
| Toluene | resistant | |
| Methanol | resistant | |
| Ethanol | resistant | |
| Isopropanol | resistant | |
| Butanol | resistant | |
| Glykolmonoethylether | resistant | |
| Glycerin | resistant | |
| Butylacetate | resistant | |
| Acetone | resistant |
| Tensile Strength | 10 PSI (ASTM D3574-77 |
| Density | 5.7 lb. / cubic foot |
| Elongation | 20% (ASTM D3574-77) |
| Heat Conductivity | K factor = 0.38 at 50°F |
| Temperature Stability | -76 to 302 degrees F |
| Fire Resistance | Class 1 (ASTM E84) |
| Color | Light gray and charcoal gray |
| Tensile Strength | 8 PSI (ASTM D3574-77 |
| Density | 0.7 lb. / cubic foot |
| Elongation | 8% (ASTM D3574-77) |
| Heat Conductivity | K factor = 0.24 at 50°F |
| Temperature Stability | 0 to 302 degrees F |
| Fire Resistance | Class 1 (ASTM E84) |