PTFE PT55WH00 O-Ring, Size: -242
Material: PTFE PT55WH00 O-Ring
Size: AS568 -242 O-Ring
Part Number: PT55WH00-OR-242
Color: White
Detailed Description
PT55WH00-OR-242 is a White, 55 Shore D, PTFE (Teflon®) O-Ring. It is a 75 durometer PTFE (Teflon®). PT55WH00 is manufactured with the following features & specifications: USP Class VI, FDA Compliant. PT55WH00-OR-242 is AS568 size -242 O-Ring also referred to as 3.53mm (Cross Sectional Diameter (CS)) x 101.19mm (Inside Diameter (ID)).
Material: 55 Durometer PTFE PT55WH00 O-Ring
Size: AS568 -242, 3.53mm CS X 101.19mm ID (0.139" CS X 3.984" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | PT55WH00 |
| Material | PTFE (Teflon®) |
| Color | White |
| Durometer | 55 Shore D Hardness |
| High Temperature | 290 °C / 554 °F |
| Low Temperature | -268 °C / -450 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -242 |
| Cross Section (CS) | 3.53 mm / 0.139 in |
| Inside Diameter (ID) | 101.19 mm / 3.984 in |
| Other Specifications | |
USP <88> | |
USP <87> | |
USP Class VI | |
FDA Compliant | |
PT55WH00 is Canyon’s standard 55 Shore D white virgin PTFE material engineered for extreme chemical, thermal, and purity-critical environments. Manufactured from 100% PTFE, this material delivers near-universal chemical resistance, excellent high- and low-temperature stability, and inherent self-lubricating performance with very low gas permeability. With a continuous service temperature range of -268°C to 260°C (-450°F to 500°F) and short excursions up to 288°C (550°F), PT55WH00 maintains dimensional stability and mechanical integrity where many polymers fail. Its FDA compliance under 21 CFR 177.1550 and USP Class VI rating make it suitable for regulated applications requiring high purity and low extractables.
PT55WH00 is commonly used for backup rings, spring-energized seal components, and precision plastic components that support O-rings and gaskets in semiconductor manufacturing, chemical processing, and aggressive solvent service. It performs reliably in contact with MEK, DMF, acetone, and other harsh chemicals while minimizing friction and wear in dynamic assemblies. This virgin PTFE grade is selected when designers need maximum chemical resistance, cleanliness, and thermal capability in critical sealing system components. Canyon Components offers PT55WH00 as a dependable solution for high-performance PTFE parts used in advanced sealing and processing equipment.
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