fluoroelastomerici copolymers based on vinilidenfluoruro modified with perfluoroalchilviniletere

摘要

copolymers fluoroelastomerici, acts in the preparation of o - rings, comprising by weight: 48% - 65% of units of vdf 21 - 36% units of hfp 3 - 9% of units of pave 0 - 17% tfe units