Leader FybarRubberbonded Fiber Jointing Sheets
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Leader Fybar PT 20


Fibre PT20 consists of mineral and aramid fiber, NBR bound. Fiber gasket for low temperature. Suitable for pressure testing.


Product Data Sheet


utilities and non-aggresive media such as water, air, oil, greases and fuels

Delivery Options

Flange gaskets and sheets are available in thickness of 0,5mm, 1mm, 1,5mm, 2mm and 3mm. Other thicknesses available on request.. Standard gaskets can be supplied in accordance with ASME B16.21, EN12560-1 as well as EN1514-1. Non-standard or special gaskets can be manufactured according to customer drawings, or by given sizes or Edrawing.


Temperature from -30 °C up to +130 °C
Technical Data
max Temperature [°C]130
min Temperature [°C]-30
max Pressure [bar]40
density [g/cm3]1,6 - 2
Minimum initial stress [DIN E 2505 part 2] [N/mm2]20
Maximum initial stress [DIN E 2505 part 2] [N/mm2]120
Y- Value [psi]2175
ASTM F36 Recovery [% min]45
Gasket required flange roughness [Ra micron]3,2-6,3
Gasket required flange roughness [RMS]125-250
max Seating stress [Qsmax bei RT EN13555] [n/mm2]130
Tensile Strength (quer) DIN 52910 [N/mm²]7.5
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