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Ensinger PEI

BIW Liquid Silicone Rubber, Self-Lubricating Grades
Categories: Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)

Material Notes: Oil levels 2-5%. BIW produces molded parts with a range of adjustable properties from this two-component LSR system. No individual grade can fit all properties within the reported ranges.

Information provided by BIW Isolierstoffe GmbH.

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Physical PropertiesMetricEnglishComments
Density 1.10 - 1.30 g/cc0.0397 - 0.0470 lb/in³DIN 53479 A
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 30 - 7030 - 70DIN 53505
Tensile Strength 5.00 - 10.0 MPa725 - 1450 psiDIN 53504
Elongation at Break 400 - 900 %400 - 900 %DIN 53504
Resilience 30 - 6030 - 60Rebound; DIN 53512
Tear Strength 12.0 - 35.0 kN/m68.5 - 200 pliASTM D624 B
Compression Set 15 - 65 %
@Temperature 175 °C,
Time 79200 sec
15 - 65 %
@Temperature 347 °F,
Time 22.0 hour
DIN 53517
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+15 - 1.00e+16 ohm-cm1.00e+15 - 1.00e+16 ohm-cmVDE 0303
Dielectric Strength 20.0 - 30.0 kV/mm508 - 762 kV/inVDE 0303
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 180 °C356 °FAll Colors
 280 °C536 °FBlack

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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