application:
1. Contact with highly corrosive media, sealing and gasket materials of high-pressure systems, transparent materials for observation windows, etc.
2. Electrical insulation materials, etc.
3. Low molecular weight PCTFE is used as sealing fluid, grease for highly corrosive media and balancing fluid for navigation gyros.
Specification:
Our company has various specifications of PCTFE rods, pipes and plates. For specific specifications, please refer to the specifications of PTFE products (PCTFE products comply with relevant corporate standards.
PCTFE product item unit value
Density g/cm32.10-2.18
Tensile strength Mpa≥30
Elongation at break%≥20
Continuous use temperature ℃-200-150
PCTFE IS WIDELY USED FOR:
- Cryogenic and chemical processing components
- Seals and gaskets
- Aerospace valve seats, pump parts, impellers,
diaphragms, and plugs
- Laboratory instruments
- Nuclear service/high radiation exposure
- Liquid oxygen and liquid nitrogen valve linings
PERFORMANCE CHARACTERISTICS:
- Dimensionally stable, rigid, and resistant
to cold flow
- Very low gas permeation and outgassing
- Near zero moisture absorption
- Excellent chemical resistance
The main field of application of PCTFE is cryogenics due to the fact that it is the fluoropolymer that best retains its mechanical properties at extremely low temperatures and is therefore the least fragile of the fluoropolymers.
PCTFE is incompatible with alkaline metals and in some cases with organic amines. Its use is not recommended at temperatures above 150°C.
PCTFE rod is recommended for cryogenic application and handling of gases. PCTFE rod has better mechanical properties than other fluoropolymers and low permeability.
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