Pneumatic tubes PTFE TECAFLON®
Sintered polytetrafluoroethylene

PTFE Tecaflon

General

TECAFLON® tubes are made from white sintered polytetrafluorethylene.

PTFE was discovered at the end of the 1930’s, every year its remarkable properties increase the scope of its applications despite the difficulty of its production.
They are obtained by lubricated calibrated extrusion in piston machines, which explains the limited lengths of tubes that can be obtained.
TECAFLON® tubes are :
- Inert to chemical products.
- Very resistant to temperature.
- Fragile under mechanical efforts and abrasion.
- Provided with an excellent slipping coefficient.
- Insensitive to ultra violets.
- Nonflammable.
TECAFLON® tubes are intended for the most severe uses acceptable by thermoplastics with regards to temperature and chemical aggression.
Their admissible working temperature ranges from -170°C to +200°C. they are also of food quality and have the American FDA (Food & Drug Administration) approval. TECAFLON® tubes are rigorously calibrated, although production tolerances on thicknesses are larger than for other tubes.
The following table gives a rapid comparison between ptfe and other high performance fluoride plastic materials such as FEP (fluroethylenepropylene) and PFA (perfluoroalkoxy) whose extrusion is easier.
Tto resume, fep has mechanical, chemical and electrical properties practically identical to those of ptfe, even though its resistance to temperature is limited and pfa has dielectric, thermal and chemical properties identical to PTFE.
TECAFLON® tubes are supplied without markings.
Admissible working temperatures of TECAFLON® tubes are comprised between -170°C and +200°C.
TECAFLON® tubes are produced in limited lengths (see table of characteristics) and then packaged in standard lengths of 25 metres.
On request, they can be supplied otherwise.

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