Fibreglasi fini min dilannen don ni PTFE ye, o bɛ kɛ ka caya lastikuw dilanni na, k’a sababu kɛ a bɛ se ka funteni kunbɛn, a tɛ nɔrɔ, ani a tɛ sɔgɔsɔgɔ kosɛbɛ. Baara kunbaba minnu bɛ kɛ, olu ye : fɛnw bɔli fɛnw ye minnu bɛ kɛ ka plati/vacuum vulcanization ani tire molding; fɛnɲɛnamafagalan minnu tɛ nɔrɔ, olu bɛ kɛ mansin dafalenw, kalandriya ani nɛnɛ siraw kama; fini min bɛ don ɲɔgɔn na walasa ka lastikuw mara minnu tilalen don ɲɔgɔn na; silikoni ni fluororuber minɛcogo kɛrɛnkɛrɛnnen; ani foroko sanubɔlanw walasa ka kɛnɛya kɔfɛ. Nafa minnu bɛ sɔrɔ a la, olu ye ka nɔgɔ nɔrɔli ban, ka dɔ bɔ fura bɔlenw tali la, ka wuluwuluw sirili bali, ani ka nɔgɔ bɔli nɔgɔya.