Precision Polymer S60R

Category: Silicone , Silicone
Manufacturer: Precision Polymer Engineering Ltd.
Trademark: Precision Polymer
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: YYBStU_Precision-Polymer-S60R.pdf
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Red Silicone 55-65. Diesel cylinder liner ring grade. Silicone rubber having both methyl and vinyl substituent groups on the polymer chain. ASTM & ISO designation = VMQ.

Excellent heat resistance and low temperature flexibility combined with low compression set performance. Used primarily for diesel cylinder liner O-Rings (coolant sealing). Although silicone will swell in petroleum lubricants, this is not necessarily detrimental in static sealing applications.
General Information
Features
  • Low compressive deformability
  • Flexibility at low temperatures
  • Heat resistance, high
Uses
  • Seals
  • Application in Automobile Field
Appearance
  • Red
HardnessNominal ValueTest Method
IRHD Hardness 60ASTM D1415, ISO 48
ElastomersNominal ValueUnitTest Method
Tensile Strength (Yield)8.00MPaASTM D412, ISO 37
Tensile Elongation (Break)410%ASTM D412, ISO 37
Compression Set
    150°C, 70 hr 18%ASTM D395B
    150°C, 70 hr 118%ISO 815
AgingNominal ValueUnitTest Method
Change in Tensile Strength in Air (200°C, 672 hr)-13%ASTM D412, ISO 37
Change in Ultimate Elongation in Air (200°C, 672 hr)-25%ASTM D412, ISO 37
Change in IRHD Hardness in Air (200°C, 672 hr)6.0ASTM D573, ISO 188
ThermalNominal ValueUnit
Maximum Operating Temperature 250°C
Additional InformationNominal ValueUnit
Low Temperature Resistance - Non-brittle after 3 mins -60°C
Minimum Operating Temperature: -60°C (-76°F)
Note Message
1 .Type B
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