POWERSIL® 310 MH is a one-component, ready-to-use, peroxide curing compound that cures to an electrically-insulating, highly erosion resistant silicone elastomer.


  • very good arc resistance
  • suitable dielectric properties
  • good mechanical properties

Specific features of POWERSIL® 310 MH

  • Excellent hydrophobicity behavior
  • High LOI
  • Resistant to tracking and erosion

POWERSIL® 310 MH is the silicone rubber of choice for the manufacture all types of electrical insulating equipment for outdoor use, e.g. composite insulators, arrester housings, bushings etc.


More information can be found in the brochure "Solutions for the Transmission and Distribution Technology".

POWERSIL® 310 MH can be processed using injection molding, transfer or compression molding.

For detailed information please refer to our brochure "Solid and Liquid Silicone Rubber, Material and Processing Guidlines".


To achieve a good bond between typically-used materials for electrical insulation equipment and POWERSIL® 310 MH the primer G 3243 should be used.


This product is available in 20 kg and 540 kg cardboard packaging.


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


The containers must be protected against sunlight.


Keep separate from organic rubber and crosslinker chemicals.


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)

How can we help you?

  • Do you need help in choosing a product or do you require technical support? If so, please contact our experts.
Ask a question


My media

My favorites

My products