DESKRIPSI PRODUK Detail GLAND PACKING FIUR FTFE/ FIUR TEFLON DESCRIPTION. packing made of PTFE fiber yarns, processed with PTFE dispersion, then braided into a square cross section. APLICATIONS. s Being made of 100% PTFE, these are resisting to almost all fluids. s Thus, these are best suited for shaft seals of rotating machines such as agitators handling corrosive fluids. Depending on service conditions, they may also be applied as shaft seals for valves and reciprocating motion machines.