Fluoroelastomer -FKM/FPM .
Fluoroelastomer ye polimɛri elastomɛri sintetiki ye min kɔnɔ fluorine atomu bɛ cakɛda kunba walima kɛrɛfɛ cakɛda ka karɔbɔni atomuw kan. Fluorine atomuw donli bɛ lastikuw dɛmɛ ka funteni kunbɛn kosɛbɛ, ka oksidan kɛlɛ, ka tulu kɛlɛ, ka se ka sɔgɔsɔgɔ ani ka se ka kɔrɔya fiɲɛ kɔnɔ, wa a bɛ kɛ kosɛbɛ sanfɛla, awiyɔn, mobili, petoroli ani du kɔnɔ minɛnw na.