Ko te PTFE he polytetrafluoroethylene,mohiotia hoki ko Teflon (Teflon), he taputapu tātari putea i roto i te tino teitei-mutungamomo o.putea PTFE mo i roto i te ātete ki ngā āhuatanga ha'iriiri, te ratongaora o nga whakaritenga rauemi tātari o wā.