PCTFE ROD(Kel-f)

          PCTFE—polychlorotrifluoroethylene—is a melt-processable fluoropolymer built on the same carbon-fluorine backbone as PTFE, with one decisive structural difference: a chlorine atom replaces one fluorine on each repeat unit. That single substitution changes the material’s behavior in ways that matter at the system level. Where PTFE is soft, prone to creep, and difficult to machine to tight tolerance, PCTFE is rigid, creep-resistant, optically transparent, and one of the best gas-barrier polymers known

Key Features: 

• Excellent low-temperature performance

• Excellent Chemical Resistance

• Ultra-Low Permeability

• Excellent Mechanical Properties

• Near-Zero Moisture Absorption

• Good Electrical Insulation

• Meets FDA/ROHS/REACH standards, BAM passed.

Our PCTFE rod are available in both extruded and compression-molded forms:

Main Applications for PCTFE

• Cryogenic sealing and valve technology: soft seats for liquid nitrogen, liquid oxygen, and liquid helium service; LNG valve seals and connectors; cryogenic pump components. Experimental work on soft-seated safety relief valves has shown PCTFE sealing reduces leakage rates by orders of magnitude compared with metal-to-metal seats at liquid nitrogen temperatures.

• Semiconductor manufacturing: high-purity gas valves, wafer-carrier components, gas-distribution system parts, and chamber hardware requiring low outgassing and dimensional precision.

• Aerospace and high-vacuum systems: structural spacers, electrical insulators, and radiation-resistant components where low flammability, negligible outgassing, and stability under ionizing radiation are mandatory.

• Chemical and analytical instrumentation: pump parts, bearings, bushings, sight glasses, and sensor housings exposed to aggressive reagents or solvents.