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Solid Rod made of PCTFE

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Application area

Cryogenics, chemistry, nuclear technology, medical engineering, electrical engineering

Product specification

PCTFE has a significantly greater hardness and dimensional stability compared to PTFE

PCTFE is the most rigid of all fluorinated plastics

Extremely low permeability to gas

PCTFE preserves its dimensional stability also at higher minus temperatures (-255 °C)

Excellent radiation resistance, resistant to UV-rays and X-rays

Remarkable chemical resistance to strong mineral acids (such as fuming nitric acid and hydrofluoric acid as well as aggressive reagents and concentrated sodium) and a lot of organic compounds

Extremely wide temperature range

Very good mechanical stability, lowest creep particularly at pressure load

Flame-resistant even at high oxygen concentration (limit "oxygen index" 100 %)

Extremely high resistance to aging

Not permeable to steam and water

Not permeable to fluid even at lowest temperatures

Technical specification

Material: PCTFE (polychlorotrifluoroethylene)

Colour: natural, translucent

Shore hardness D: 75° - 80° (ASTM D 676)

Temperature range: -255 to +150 °C, for a short time +200 °C

Density (amorphous): 2.10 - 2.16 g/cm3 (ASTM D 1050-68)

Tensile strength:

at +23 °C: 32 - 40 MPa (ASTM D 638-80)

at +120 °C: 13 - 16 MPa (ASTM D 638-80)

Elongation at break: 100 - 250 % (ASTM D 638-80)

Pressure resistance: 40 - 45 MPa (ISO 604)

Surface resistivity: 1.2 x 1018 Ohm/cm2 (ASTM D 257-78)

Dielectric constant: 2.4 - 3 at 102 - 108 Hz (ASTM D 150)

 
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