Umehluko phakathi kwe-PTFE ne-Viton

2. Ukwakheka kwayo kwamangqamuzana kumane ku--[-CF2-CF2-]-n-, okungathathwa njengesakhiwo lapho wonke ama-athomu e-hydrogen ochungechungeni lwamangqamuzana e-polyethylene athathelwa indawo ama-athomu e-fluorine;