Braided from pure PTFE yarn without any lubrication. It is soft, mainly for static sealing.
Same as ZR-650, but treated with special lubrication, designed for dynamic. ZR-650 & ZR-650Y both are economical packing.
Braided from Expanded PTFE yarn without any lubrication. It is soft, mainly for static sealing.
Made of sintered, highly stretched PTFE multifilament yarns with thoroughly PTFE impregnation. The packing is then re-impregnated with a mix of PTFE emulsion during braiding operation. Good resistance to compression and to extrusion, high structural and cross-sectional density.