The RJH-541 series are general purpose fumed silica silicone rubber for particularly transparent applications.
Typical general characteristics
Property | Inspection method | Value | Value | Value | Value | Value |
Appearance | Transparent | Transparent | Transparent | Transparent | Transparent | |
Density @23℃ | ISO 1183-1 A | 1.08g/cm3 | 1.12g/cm3 | 1.15g/cm3 | 1.19g/cm3 | 1.26g/cm3 |
After addition of 1.2% DCBP (50%) and cured for 10min at 120℃ and post cure for 4h at 200℃ | ||||||
Hardness Shore A | DIN 53505 | 38 | 53 | 61 | 71 | 78 |
Tensile strength | DIN 53504 S 1 | 8.6Mpa | 8.7Mpa | 8.9Mpa | 8.7Mpa | 8.3.Mpa |
Elongation at break | DIN 53504 S 1 | 539% | 529% | 421% | 418% | 170% |
Tear Strength | ASTM D 624 B | 18KN/m | 24KN/m | 22KN/m | 19KN/m | 15KN/m |
Compression set | DIN ISO 815-B | 38% | 36% | 38% | 40% | 45% |
Rebound elasticity | DIN 53512 | 58% | 56% | 54% | 51% | 47% |
After addition of 0.6% DBPMH (95%) and cured for 10min at 170℃ and post cure for 4h at 200℃ | ||||||
Hardness Shore A | DIN 53505 | 42 | 50 | 62 | 70 | 81 |
Tensile strength | DIN 53504 S 1 | 9.5Mpa | 9.6Mpa | 9.2Mpa | 9.2Mpa | 9.2Mpa |
Elongation at break | DIN 53504 S 1 | 770% | 616% | 518% | 518% | 210% |
Tear Strength | ASTM D 624 B | 21KN/m | 26KN/m | 26KN/m | 22KN/m | 18KN/m |
Compression set | DIN ISO 815-B | 21% | 19% | 22% | 25% | 30% |
Rebound elasticity | DIN 53512 | 56% | 55% | 56% | 50% | 45% |
After addition of 0.3% PT2001A and 0.6% PT2001B cured for 10min at 130℃ and post cure for 4h at 200℃ | ||||||
Hardness Shore A | DIN 53505 | 39 | 48 | 60 | 68 | 78 |
Tensile strength | DIN 53504 S 1 | 10.5Mpa | 10.8 | 10.6Mpa | 10.2Mpa | 10.2Mpa |
Elongation at break | DIN 53504 S 1 | 840% | 678% | 601% | 589% | 259% |
Tear Strength | ASTM D 624 B | 27KN/m | 30KN/m | 33KN/m | 33KN/m | 23KN/m |
After addition of 1.2% DCBP (50%) and cured for 10min at 120℃ and post cure for 4h at 200℃ and after aging 7days @200℃ | ||||||
Hardness Shore A | DIN 53505 | 47 | 55 | 66 | 76 | 86 |
Tensile strength | DIN 53504 S 1 | 8.2Mpa | 7.8Mpa | 7.5Mpa | 7.4Mpa | 6.5Mpa |
Elongation at break | DIN 53504 S 1 | 367% | 348% | 325% | 312% | 110% |
Note: The test data is for reference only.