An diofar eadar PTFE agus Viton

2. Is e an structar moileciuil aige dìreach -[-CF2-CF2-] -n-, a dh’ fhaodar a mheas mar structar anns a bheil dadaman fluorine air an cur an àite a h-uile dadam hydrogen anns an t-sreath moileciuil polyethylene;