CHYGRA^TM Chrysotile asbestos packing is braided into packing, made of chrysotile asbestos yarn and impregnated with PTFE. It has more better effect of sealing. Used for all rotating and reciprocating pumps, mixers and valves sealing against hot and cold water, caustics, mild acids, difficult chemicals, air, gases, steam, solvents, oil and most marine applications.