The TST013SO is an AS568-013 white PTFE (Teflon) 55 Shore D Back-Up Ring measuring an inside diameter of 0.426 in (10.82 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.566 in (14.38 mm). This back-up ring allows a standard o-ring to operate at higher pressures than it could unsupported.
The material holds up against oxidizing media, strong acids and bases, and steam. That behavior comes from the compound itself: PTFE (Teflon) offers a very wide continuous service temperature range and near-universal chemical inertness. Service temperature is rated from -65°F (-53.9°C) through 500°F (260°C). It is not the right choice where service requiring elastic recovery or molten alkali metals are present.
It sees regular use in chemical processing, semiconductor fabrication, and food and beverage.
TST013SO ships individually. Check the compound against your process media, pressure and temperature before committing to a design.
Description *2103-013 SOLID TEFLON BACKUPS FDA
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 0.426 inch (10.82 mm)
Actual Outside Diameter 0.566 inch (14.38 )
Measurement System Imperial
Product Category O-Rings - Backup Rings