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Rulon Bearings

Wacker Elastosil® R 416/70 Silicone Rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: ELASTOSIL® R 416/70 is a peroxide curing silicone rubber with very high green-strength, which enhances calendering and extrusion performance significantly.

Special features:

  • high green strength
  • excellent output in extrusion
  • high dimension stability of extruded hoses
  • non-sticky surface

Information provided by Wacker Chemie AG.

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Physical PropertiesMetricEnglishComments
Density 1.18 g/cc0.0426 lb/in³DIN EN ISO 1183-1 A
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7070DIN 53505
Tensile Strength at Break 10.0 MPa1450 psiDIN 53504 S1
Elongation at Break 570 %570 %DIN 53504 S1
Tear Strength 30.0 kN/m171 pliASTM D624 B
Compression Set 20 %
@Temperature 175 °C,
Time 79200 sec
20 %
@Temperature 347 °F,
Time 22.0 hour
DIN ISO 815-B
 
Processing PropertiesMetricEnglishComments
Cure Time  15.0 min
@Treatment Temp. 165 °C
0.250 hour
@Treatment Temp. 329 °F
curing agent C1, press cured, 4hr/200°C
 15.0 min
@Treatment Temp. 165 °C
0.250 hour
@Treatment Temp. 329 °F
curing agent C6, press cured, 4hr/200°C

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