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CHEMICAL AND PHYSICAL PROPERTIES |
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POLYESTER MDI GRADE - PROPERTIES FOR 75 shA : | PROPERTIES | UNITS
| NORMS
| VALUES
| Shore hardness at 20°C
| shA | DIN 53505
| 75 | Tensile modulus at 10% elongation
| MPa | DIN 53504
| 1.10 | | Tensile modulus at 100% elongation | MPa | DIN 53504 | 4.45 | | Tensile modulus at 200% elongation | MPa | DIN 53504 | 7.40 | | Tensile modulus at 300% elongation | MPa | DIN 53504 | 13.30 | Tensile strength
| MPa | DIN 53504 | 50 | tensile strain at break
| % | DIN 53504 | 450 | Tear resistance (non initiated tear)
| KN/m | DIN 53515 | 89 | Tear resistance (initiated tear)
| KN/m | DIN 53515 | 22 | | Resilience | % | DIN 53512 | 24 | Abrasion loss
| mm3 | DIN 53516 | <50 | DRC (25% of crushing during 22 hours at 70°C)
| % | DIN 53517 | 48 | Shore hardness at -5°C
| shA | DIN 53505 | 85 | Shore hardness at + 80°C
| shA | DIN 53505 | 73 | Specific gravity
| g/cm3 | | 1.18 | Swelling in solvent (70% dihydrofuranone basis)
| % | ISO 175
| <30 |
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