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Polychlorotrifluoroethylene (PCTFE)

Manufacturing of PCTFE products

Our range of PCTFE products includes O-rings, valve seats, bushings, bearings, insert rings, nozzles, washers, fittings and circuits.

PCTFE is a special plastic material, suitable for applications in aviation, food, cryogenic, medical-pharmaceutical and petrochemical fields. Thanks to excellent electrical properties, good chemical resistance and excellent thermal resistance PCTFE is highly requested in extremely critical applications with extreme temperatures and highly corrosive fluids.
Manufacturing of PCTFE products

Introducing PCTFE

The polychlorotrifluoroethylene (PCTFE) is a fluorinated polymer, or a polymer in which the chain of carbon atoms of the hydrogen atoms are replaced by fluorine atoms, thus ensuring high chemical resistance even at high temperatures. The basic structure of PCTFE is of the type [CFCl – CF2].
Manufacturing of PCTFE products
Manufacturing of PCTFE products
Manufacturing of PCTFE products

Characteristics and Application Fields

The PCTFE is worked mainly by compression molding or injection molding, without forgetting the extrusion and machining. High frequency welding and ultrasonic are allowed; for bonding is required a preventive treatment.

The PCTFE has inside chlorine atoms (larger than the fluorine atoms), thus resulting in a decrease of the crystallinity. Nevertheless, the rigidity and strength are good. The service temperature range from -240 °C to 204 °C. The chemical resistance is good but inferior to that of PTFE. The PCTFE has excellent electrical properties, but its use in the high frequency range is limited. The PCTFE has very low permeability to water vapor, is stable to weathering, does not burn, it releases chlorine when subjected to extreme radiation and is physiologically harmless.

For these reasons, the PCTFE is used in the medical industry and can come into contact with foodstuffs. It is particularly required in the fields of cryogenics, aerospace and valves. The PCTFE can be used for the realization of gaskets, sealing systems, fittings, pipes, membranes, circuits, insulating sheets and packaging.

PCTFE types

Shown below are the most common PCTFE trade names available at LIMA.
CODICE LIMA VARIANT
LM463 PCTFE

PCTFE - Trade names

Shown below are the most common trade names for the PCTFE material.
Please remember that LIMA can provide both generic materials and materials covered by trademark (ie that show the TM or ® endorsements), based on the requirements of the customer. If the customer wishes to details made of plastic material covered by trademark, LIMA will stock up directly by the holding company of the said trademark.
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Materials we master

This page was created to help customers to understand the complicated world of plastic materials. In each section dedicated to each group of materials will be listed all the chemical and commercial names, standard marks and variations until now used by LIMA and the chemical, physical and mechanical characteristics. Therefore, the client will find all the necessary information for choosing the material best adapted to their needs.
PTFE
and grades
PP
and grades
ABS
and grades
PPE
and grades
PUR
and grades
PA
and grades
PVDF
and grades
ETFE
and grades
PPS
and grades
RUBBERS
and grades
PAEK
and grades
PCTFE
and grades
ECTFE
and grades
PBT
and grades
POM
and grades
PVC
and grades
FEP
and grades
PSU
and grades
PE
and grades
PC
and grades
PFA
and grades
PAI
and grades
PET
and grades
PMMA
and grades
PMP
and grades
PEI
and grades
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Bolgare
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Vicolo Laghi Gemelli 7/9
24060 Bolgare (BG)

Phone (+39) 035 059 0105

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Timetable

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WAREHOUSE
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Phone (+39) 02 289 5156
Fax (+39) 02 261 9990

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OFFICE
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