<ul><li><strong>TR-169:</strong> (PTFE) Chlorine / Oxygen Grade. Up to 500ºF (260ºC). PTFE Filament Impregnated with PTFE. Interbraid construction. Pre-lubricated to provide a softer, more flexible packing with improved peripheral speed characteristics and exothermic properties. pH Range 0 – 14 PV factor 650,000. Speeds up to 1200 FPM. For the most severe services. All oxidizers and corrosives with one exception: Molten Alkali Metals.</li><li><strong>TR-380:</strong> (PTFE) Up to 500ºF (260ºC). PTFE impregnated packing. Square interbraid construction.</li><li><strong>GR-589:</strong> (Graphite) Up to 450ºF (232ºC). Graphite packing. Square interbraid construction. Treated with a blend of lubricants.</li><li><strong>GR-171:</strong> (Graphite) Up to 1250ºF (677ºC). Braided graphite packing. Interbraid construction. Pure homogenous graphite bonded to a fiberglass carrier for strength and thermal stability.</li><li><strong>LE-236:</strong> (Graphite) Low E. Up to 850ºF (454ºC). API 622 certified. Flexible graphite with Inconel wire jacket.