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.