Iyatọ laarin PTFE ati Viton

2. Ilana molikula rẹ jẹ rọrun -[-CF2-CF2-] -n-, eyiti a le gba bi eto ninu eyiti gbogbo awọn ọta hydrogen ninu pq molikula polyethylene ti rọpo nipasẹ awọn ọta fluorine;