Polyimide short fiber with excellent properties of high temperature resistance, insulation, flame retardant, anti-radiation, anti- UV, anti-bacteria and solvent resistance can be widely used in the area of high temperature dusting（Non-woven felt, filter bag）, special protection and composite material. The general index of polyimide fiber is as follows,
Fineness   0.9~5 dtex,

Cut length:38mm,51mm,65mm,76mm

Density     1.41 g/cm3 ;

Breaking strength ＞4.0 cN/dtex;

Elongation at break 10~30%;

Continuous use temperature 260℃;

Decomposition temperature 560℃;

Limiting oxygen index (LOI) 38%;

Acid resistance and UV radiation resistance.