*7/16" PRELUBRICATED PTFE YARN PACKING

11690437-10 is a PTFE Filament Impregnated Compression Packing built to a 7/16 inch square cross section. In service, this compression packing offers the most economical repairable shaft seal for pumps and valves. Additional detail on this item: 10 LB. Box - Approx. 69 FT.

PTFE Filament Impregnated is known for near-universal chemical inertness and one of the lowest coefficients of friction of any solid. This material stands up to strong acids and bases, nearly all industrial chemicals, and oxidizing media. Applications involving elemental fluorine at temperature or molten alkali metals call for a different compound.

Maintenance and OEM teams specify it across laboratory equipment, semiconductor fabrication, and pharmaceutical and biotech.

Order part number 11690437-10, sold individually. Unit weight is approximately 10 lb. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.