Silicone rubber material for wire, tubular product 4971-70D, 2871-70
Details
Silicone rubber material for wire, tubular product 4971-70D, 2871-70
Item | 4971-70D | 2871-70 |
Product | High speed train sealing | Ceramics refractory cables |
Products feature | No secondary sulfide, low compression set (CS)： 23%（25%×175℃×22h) | after high temperature ceramic coating layer, cable wire and not burn not short circuit |
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Appearance | Milk-white yellowish | White |
Hardness (HA) | 66 | 70 |
Density（g/cm³） | 1.19 | 1.43 |
Tensile strength（Mpa） | 9.5 | 7.0 |
Elongation (%) | 400 | 150 |
Tear strength (N/mm) | 30.0 | 20.0 |
Vulcanizing agent | 2,4-dichloro benzoyl peroxide |
Notes:
- Items containing "*" represent the secondary vulcanization data; Others represent first vulcanization data; “Y” for the liquid glue
- Hardness containing “C” represent ASKER C Others represent Shore A
- Tear mark: A cut mouth with crescent type cutter testing; C - domestic orthogonal cutting test; Not marked for JISK type B
