POlyimide Fiber PA 2540 polyimide Fiber Packing Made of high performance polyimide yarns P84 impregnated with special PTFE lubrications, it has very good mechanical properties combining softness and strength. The packing has natural golden sheen, are available in both spun dyed orange and blue. Compared to ordinary aramid and PTFE, it has more benefits as follows: Thermal stability, low heat expansion; High dimensional stability and superior pressur resistance eveb at elevated temperature; Good process-ability, easy to cut and fit; Outstanding chemical resistance particularly in acidic media; Excellent resistance to organic solvents, oil and fuels Applicstion: A high performance packing that is well suited to applications where graphite impregnation may not be acceptable. suitable for abrasive media, and where contamination is not permitted. It has multiple uses in chemical plants and pulp and paper mills, and is regularly used inrotating and reciprocating pupms, washer journals, liquor pumps, refiners and digesters.

Service Limits

T 315 centigrade
PH 1 to 13
V 20m per s
Rotating 25bar
Reciprocating 100bar
Valve 200bar
Dg per cu. cm. 1. 5

Forms of supply
2 to 5Kg per roll
Packing Ring R2540