RJH-801 series are heat resistance silicone rubber.
Typical general characteristics
Property | Inspection method | Value | Value | Value | |
Appearance | Transparent/beige | Transparent/beige | Transparent/Red | ||
Density @23℃ | ISO 1183-1 A | 1.05g/cm3 | 1.25g/cm3 | 1.25g/cm3 | |
Hardness Shore A | DIN 53505 | 34 | 58 | 67 | |
Tensile strength | DIN 53504 S 1 | 8.2Mpa | 9.0Mpa | 9.2Mpa | |
Elongation at break | DIN 53504 S 1 | 860% | 344% | 262% | |
Tear Strength | ASTM D 624 B | 18KN/m | 21KN/m | 21KN/m | |
Compression set | DIN ISO 815-B | 25% | 18% | 19% | |
Rebound elasticity | DIN 53512 | 58% | 58% | 50% | |
Heat stability | |||||
Properties after aging 7days @287℃ | |||||
Hardness Shore A | DIN 53505 | 35 | 70 | 76 | |
Tensile strength | DIN 53504 S 1 | 4.5Mpa | 5.3Mpa | 5.0Mpa | |
Elongation at break | DIN 53504 S 1 | 280% | 167% | 107% | |
Properties after aging 10days @250℃ | |||||
Hardness Shore A | DIN 53505 | 32 | 66 | 72 | |
Tensile strength | DIN 53504 S 1 | 5.9Mpa | 6.8Mpa | 7.0Mpa | |
Elongation at break | DIN 53504 S 1 | 320% | 239% | 161% | |
Properties after aging 3days@250℃ | |||||
Hardness Shore A | DIN 53505 | 37 | 63 | ||
Tensile strength | DIN 53504 S 1 | 6.3Mpa | 7.9Mpa | ||
Elongation at break | DIN 53504 S 1 | 380% | 268% | ||
Properties after aging 3days@300℃ | |||||
Hardness Shore A | DIN 53505 | 29 | 70 | ||
Tensile strength | DIN 53504 S 1 | 4.2Mpa | 5.1Mpa | ||
Elongation at break | DIN 53504 S 1 | 180% | 126% | ||
Note:
• Ratio of curing agent DBPMH(95%): 0.6%
• Cure condition: 175℃×10Min
• Post cure condition: 200℃×4h
• The samples for compression set and rebound elasticity are after post-cured.