Polychlorotrifluoroethylene (PCTFE)

Alternative and trade names
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It is a fluorinated polymer which presents an exceptional behavior at very low temperatures. It is usable in continuation from -200°C to +150°C with allowable peaks at 200°C. It is non-inflammability, has excellent chemical and radiation resistance, good barrier properties, is insensitivity to oxygen and water with good electrical properties. The processing is critical but can be done by extrusion, injection and compression molding.

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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2.1 - 2.16 g/cm³

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Elastic modulus

1.3 - 1.5 GPa

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100.0 - 250.0 %

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Impact strength, Charpy notched

80 kJ/m²

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Tensile strength

34.0 - 50.0 MPa

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at 3-7% strain

Impact strength, Charpy unnotched

no break



Coefficient of thermal expansion

6e-05 - 7e-05 1/K

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Melting point

210.0 - 215.0 °C

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Specific heat capacity

900 J/(kg·K)

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Thermal conductivity

0.22 W/(m·K)

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UL 94 V0



Dielectric constant

2.3 [-]

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2.8 [-]

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Electrical resistivity

12000000000000000 Ω·m

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Technological properties

Application areas

Crossbars, flanges, spigots, adapter plugs


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Processing methods

Injection molding, extrusion, transfer molding, compression molding