ELASTOSIL® R 863/65 MH is a peroxide curing silicone rubber with very high green-strength, which enhances calendering and extrusion performance significantly. Uncured extruded hoses show high dimension stability and non-sticky surface.


ELASTOSIL® R 863/65 is a high green-strength peroxide curing silicone rubber.


The addition of heat stabilizers at service temperatures of more than 180 °C is recommended.


Further information to improve the heat stability by use of specific ELASTOSIL® AUX Heat Stabilizers can be obtained from the Technical Information Sheet "ELASTOSIL® AUX Stabilizers H" or from the latest brochures.

Specific features of ELASTOSIL® R 863/65 MH

  • Coolant resistant
  • High green strength
  • Low compression set

ELASTOSIL® R 863/65 MH shows improved coolant resistance and therefore is particularly suitable for the economical production of radiator hoses in the automotive industry.

For detailed information please refer to the latest edition of our brochure "SOLID AND LIQUID SILICONE RUBBER - MATERIAL AND PROCESSING GUIDELINES".


Special delivery forms are possible but depend on several technical and commercial aspects. Please contact your local
sales manager in such cases.


Please store the cardboard boxes in a dry and cool place. Already opened boxes should be closed again to avoid any
contamination. The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date
specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties
required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)

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WACKER has a global network of specialist distributors at its disposal. Please select an application so that we can suggest suitable contacts.

H.M. Royal, Inc.
689 Pennington Avenue
1953906 Trenton
1  800  2579452 (Phone)
Contact distributor Website
Hisco - Houston
6650 Concord Park Drive
1201456 Houston
1  877  4472650 (Phone)


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