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Sealing tape type e-PTFE

Products > Sealings for flange connections > Sealing tape type e-PTFE

Sealing tape e-PTFE is produced of pure expanded polytetrafluoroethylene having a structure of micro-porous fibres, obtained in a special process of extrusion. The tape has a self-adhesive surface on one side, thanks to which installation is very convenient. It is characterized by good flexibility, resistance to compression, thermal stability non-flammability and high chemical resistance.

Application

They are designed to work in all utilities (except for melted alkaline metals and elementary fluorine). They serve for sealing of flange connections, hatches, covers, valves, fittings, pumps, heat exchangers, chemical equipment, ventilation draughts, air and water systems. They can be used for all types of flanges made of various materials: steel, aluminum, plastics, glass, ceramics, enamelled flanges or flanges covered with rubber etc.

Technical parameters

DESCRIPTION OF PARAMETER

VALUE

Maximum operation temperature in °C

270

Maximum temporary temperature in °C

315

Minimum use temperature in °C

-245

Scope of pH

0-14

Maximum pressure in MPa

20 in a vacuum

Density in g/cm³

0,8 ± 15 %

Colour

white

Dimensional range in mm

3x1,5

5x2

7x2,5

8x3,5

10x3

12x4

14x5

17x6

20x7

30x6

40x5

DN in mm

do 50

50-200

200-600

600-1500

Above 1500

Lengths of tapes in a roll in m

10 ,15, 20, 25, 50

 

Commercial packaging

width up to 9 mm – roll at least 50 rm
width from 10 mm – roll at least 10 rm