Silicone rubber material for auto parts IOTA 231-70*
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Item
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IOTA 231-70*
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Product
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Car self-lubrication wiring harness, Seal parts
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Products feature
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Good self oil perspiring, heat resistance and low compression set
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Special performance
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Surface oil separation
CS：15.0%
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heat-aging strength：10.0%
heat-aging elongation：10.0%
heat-aging hardness change：3HA
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25%×175℃×22h
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150℃×72h
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Appearance
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Milk-yellow
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Hardens (HA)
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72
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Density (g/cm³)
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1.21
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Tensile strength (Mpa)
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9.0
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Elongation (%)
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300
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Tear strength (N/mm)
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25.0
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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
- Vulcanizing agent: 2,5-bis[tert-butylperoxy]-2,5-dimethylhexane;
- Liquid adhesive curing conditions: 105℃×15min
