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Style 7521 is a firm, high density interlock braided packing manufactured from pure PTFE filaments and pretreated with PTFE resin but contains no other lubricants. The PTFE resin provides a low friction surface finish and prevents leakage through the braid. With no sacrificial lubricants to wear out, Style 7521 is long lasting, with an extremely low coefficient of friction and excellent heat dispersion. Ideally suited for chemical process applications where extreme chemical resistance is required.
|Minimum Temperature||-328oF (-200oC)||Pressure|
|Maximum Temperature||540oF (280oC)||Rotating||215 psi (15 bar)|
|Shaft Speed||1000 fpm||Reciprocating||2150 psi (150 bar)|
|pH Range||0 - 14||Static||3600 psi (250 bar)|
Technical Data Sheet
SGI Packing 7521