305 is impregnated with proprietary high temperature lubricant, and pre and post lubricated with high purity graphite flake. The lubrication process insures a dense but flexible general service packing, which can be used in most steam, water, salt water, oil, and mild acid or alkali applications.
311 PTFE Rope Packing
311 is impregnated with PTFE and a proprietary inert lubricant. This packing is also a non-staining and non-contaminating packing with excellent heat dissipation properties. A durable and resilient packing for general service applications such as centrifugal, rotary, and reciprocating pumps, as well as valve service. Our proprietary lubricant is used for extremely low friction at startup and during operation.