POWERSIL® 352 MH is a peroxide crosslinking HCR rubber with excellent electrical as well as excellent mechanical properties especially suitable for outdoor applications in T&D.


  • ready-to-use, one-component system
  • very good dielectrical properties
  • good arc resistance

Specific features of POWERSIL® 352 MH

  • Resistant to tracking and erosion

POWERSIL® 352 MH is especially designed for T&D applications. Because of its excellent mechanical properties POWERSIL® 352 MH is prone for use in "cable accessories" applications.

POWERSIL® 352 MH can be easily processed like other standard HCR grades. A profitable processing is easygoing for POWERSIL® 352 MH is shipped ready-to-use.

Press-moulding and injection-moulding are suitable for POWERSIL® 352 MH for vulcanizing.

Processing temperature depends on e.g. the peroxide used and the design of the articles. After vulcanizing post curing of the parts is highly recommended at a temperature of about 150°C up to 200°C, depending on the thickness.

While post curing be careful to have sufficient ventilation in the ventilating ovens.


For detailed information about processing and primers please refer to our brochure "ELASTOSIL® R HTV Silicone Rubber -Processing".


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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