Silicone rubber material for wire, tubular product IOTA4971-70D, 2871-70
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Item
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IOTA4971-70D
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IOTA2871-70
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Product
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High speed train sealing
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Ceramics refractory cables
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Products feature
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No secondary sulfide,
low compression set (CS)：
23%（25%×175℃×22h)
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after high temperature ceramic coating layer, cable wire and not burn not short circuit
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Appearance
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Milk-white yellowish
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White
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Hardness (HA)
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66
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70
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Density（g/cm³）
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1.19
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1.43
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Tensile strength（Mpa）
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9.5
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7.0
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Elongation (%)
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400
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150
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Tear strength (N/mm)
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30.0
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20.0
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Vulcanizing agent
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2,4-dichloro benzoyl peroxide
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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
