VOLTALEF® 302
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Voltalef® 302: a PCTFE designed for extreme cryogenic applications
Voltalef® 302 is a grade of polychlorotrifluoroethylene (PCTFE) developed to withstand the demands of the most severe cryogenic environments. Unlike standard engineering polymers, it retains its mechanical properties and dimensional stability down to –200°C, limiting embrittlement, cracking, or deformation caused by thermal shock.
Applications where reliability at very low temperatures is a key factor, particularly in systems exposed to liquefied gases or extreme temperature cycles.
Mechanical stability and safety under cryogenic conditions
Voltalef® 302 combines:
- stable mechanical properties at ultra-low temperatures,
- low flammability, contributing to the safety of the facilities,
- and chemical resistance suitable for common industrial environments.
These properties ensure consistent performance in applications where the failure of a polymer component could result in significant technical, economic, or safety risks.
Industrial Applications of Voltalef® 302
- industrial and scientific cryogenics
- the storage and transfer of cryogenic fluids (LN₂, LNG, LOX)
- aerospace, for components exposed to extreme thermal environments
- precision instrumentation operating at very low temperatures
For applications requiring enhanced chemical resistance combined with cryogenic performance, a more versatile grade such as Voltalef® 402 may be considered.
Transformation and implementation
The Voltalef® 302 is available in the form of semi-finished products and can be processed by:
- extrusion,
- injection molding,
which enables the manufacture of technical parts with geometries suited to cryogenic conditions.
This material is particularly valued in projects requiring precise control of dimensional tolerances and consistent material quality.
- Semi-finished product manufacturer : DEMGY Normandie
- Raw material supplier : Arkema
- Polymer name : Polychlorotétrafluoroéthylène
- Polymer abbreviation : PCTFE
- Minimum thermal resistance (in °C) : -196
- Mechanical resistance traction module (in MPa) : 43
- Mechanical resistance compression module (in MPa) : 2500
- Mechanical resistance constraint compression (in MPa) : 70
- Mechanical resistance (in MPa) : Low
- Pressure-velocity limit (PV) : Low
- Low friction and wear coefficient : Medium
- Wear resistance : Poor
- Electrical conductivity : Insulative
- Chemical resistance : Very Good
- Continuous thermal resistance (in °C) : 90
- Maximum thermal resistance (in °C) : 126
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Voltalef® 302 data sheet
