Square braided construction. Non-asbestos fibers treated with a specially formulated blend of lubricants having a saxoline base. Each strand is individually coated with graphite and the braid is surface coated with graphite. Recommended for general service on rotary and reciprocating equipment. For mild acids, alkalines, steam, brine, oil. Speeds to 1885 fpm, temperatures to 450 °F/232 °C, pH range 4 to 10. A good general service packing. The lubrication formulation makes the extra difference. The ductile nature of the lubricant prevents wicking and provides superior sealability. Packaged in 1 lb boxes. APG Non-Asbestos Packing, Square Braided, Series: Style 1189-1, 7/16 in Size, 450 °F, 1885 fpm Shaft Speed, 4 to 10 pH, Fiber, Graphite Coated