... (1) PFA transparent tube, PFA insulation tube ,PFA heat shrink tube , PFAcoil pipe , PFA corrugated / bellows tube, PFA sheet , PFA ... 2) FEP/F46 transparent tube, FEP insulation tube, FEP heat shrink tube, FEP coil tube, FEP corrugated / bellows tube, FEP film, FEP ... absorption<0.01%11. No firing in air( oxygen index>95 vol.%)Properties PFAItemsPropertiesIndicatorsphysical propertiesspecific gravity ...