Please see our LATEST NEWS for information about current raw material shortages and price increases

Wacker R770 is a highly specified rubber base with an extremely high LOI (Limiting oxygen index). The product has been tested according to BS 6853 cat 1 and EN 45545-2 requirement sets R22, R23 (HL3).

The colour of the rubber base is white. Colours will not match the RAL colour codes of the masterbatches used in paste or pellet form in the compound (pastel colours). This material is used especially for profiles for construction, automotive, railway, marine and aerospace applications where high flame retardancy is required.

Available Formats

Seals, Washers & Gaskets

Suitable For

Low Temperature
High Temperature
Flame Retardant


Can we help you?

If you’d like to discuss your idea, requirements or application with a member of our technical team, fill out the form below or contact us.
  • Choose File
    Max. file size: 64 MB.
  • Telephone Number:
    0049 (0)6201 259040
  • This field is for validation purposes and should be left unchanged.