| abstract |
The material of a part includes a composition obtained by blending an isobutylene-based, pre-crosslinked polymer as component (A), at least one poly olefin or a non-crosslinked rubber or a TPV as component (B), at least one polymer having a Tg of 90° C. or higher as component (C) and—preferably—at least one component (D) selected from the group of: substituted vinyl polymers, stryrenic block copolymers, inorganic functionalized and non-functionalized fillers, carbon black, halogen scavengers, preferably the inorganic halogen scavengers, acid acceptors, stabilizers, preferably the polymeric stabilizers, and processing aids. |