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Rulon Bearings

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Wacker Elastosil® R 781/80 Silicone Rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: ELASTOSIL® R 781/80 is a magnetite filled high consistency rubber for molding and extrusion applications. It can be processed directly or be blended with other ELASTOSIL® R or R plus grades.

Properties:

  • rubber base containing 70 % magnetite
  • crosslinkable using standard peroxides or the ELASTOSIL® 4K system
  • can be processed directly or blended with all ELASTOSIL® R and R plus grades
Application: Postcured parts can be used for food contact applications and are suitable for use under the Recommendation "XV. Silicones" of the BfR and FDA § 177.2600 under observance of any given limitations on extractable and volatile substances.

Information provided by Wacker Chemie AG.

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Physical PropertiesOriginal ValueComments
Density 2.30 g/ccDIN 53479
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 80curing agent C1; DIN 53505
Tensile Strength at Break 5.30 MPacuring agent C1; DIN 53504 S1
Elongation at Break 104 %curing agent C1; DIN 53504 S1
Rebound 51 %curing agent C1; DIN 53512
Tear Strength 17.8 kN/mcuring agent C1; ASTM D624 B
 
Descriptive Properties
Appearanceblack

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PWACK9244 / 204773

Master Bond adhesives

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