Ka whakauruhia e matou te rereketanga i waenga i te PTFE me te Viton mai irauemi, s
2. Ko tona hanganga ngota he -[-CF2-CF2-]-n-, ka taea te kii he anga e whakakapia ana nga ngota hauwai katoa i roto i te mekameka ngota polyethylene e ngota fluorine;
