Kalandriya – ka fini min datugulen don ni PTFE ye, o digidigi miirili wulilenw ni ɲɔgɔn cɛ minnu sumana 360-380°C la – o bɛ yɔrɔ cogoya caman Changer, a bɔli cogoyaw, a tɛ se ka don a kɔnɔ, ani a kɛcogo masinko. A bɛ dɔ bɔ gɛlɛya la ka bɔ Ra 0,5-1,0 μm na ka se <0,05 μm ma, ka pinɛw datugu, ka sɛgɛn kunbɛncogo ɲɛ, nka a bɛ dɔ bɔ ɲɛjibɔ fanga ni a sɛgɛsɛgɛli la. A nafa ka bon ka ɲɛsin release liners ni kuran insulation ma.

I n’a fɔ PTFE finiw dilannikɛla ŋana, Jiangsu Aokai New Materials bɛ baarakɛlaw ka hakilinaw di aw ma. Fibreglasi sanfɛla furakɛli kun jɔnjɔn ye ka molekiyɔmu dancɛ dɔ jɔ fibreglasi inorganique ni PTFE organique cɛ, walasa ka u inherent inc