Engineering Plastics Directory

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PTFE (Teflon®)

Polytetrafluoroethylene

PTFE is a soft, low friction Fluoropolymer Plastic with outstanding chemical resistance and weathering resistance. PTFE is stable at temperatures up to 500°F and it is often used in high temperature environments. PTFE also has excellent electrical insulating properties.
PTFE is available in a variety of formulations including unfilled, glass-filled, and bearing grades.

Unfilled PTFE
Unfilled PTFE is extremely soft and formable and it is often used for chemical resistant seals and gaskets.
Glass-filled PTFE
Glass-filled PTFE has enhanced strength and stiffness.
Bearing Grades of PTFE
Bearing grades of PTFE have extremely low friction and high service temperatures. They are frequently specified for high performance bearings and bushings, particularly in applications that require resistance to corrosive chemicals.
Virgin Grade PTFE
PTFE sheet, rod, and tube are available in virgin grade, which is made from virgin PTFE resin as well as reprocessed or mechanical grade, which is made from recycled material.

PTFE Performance benefits are:
•    Outstanding chemical resistance
•    Extremely low friction
•    Soft and formable
•    Good bearing and wear properties (bearing grade)
•    Good weathering resistance
•    Performs well at elevated temperatures


Typical PTFE Applications are:
•    Seals and gaskets
•    Valve and fitting components
•    Pump parts
•    Manifolds
•    Semiconductor equipment
•    Scientific equipment
•    Medical equipment
•    Chemical resistant tubing
•    Bearings and bushings (bearing grades)

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