NA1002EU Compressed Fiber Sheet
Compressed Fiber Sheet with Aramid and NBR rubber
NA1005 Compressed Fiber Sheet
Compressed Fiber Sheet with Aramid fibres, bonded with Nitrile rubber (NBR)
NA1100 Compressed Fiber Sheet
Compressed Fiber Sheet with carbon and graphite fibers and NBR rubber
NA1122 Compressed Fiber Sheet
High Performance Steam Service Sheet, NBR Binder
NA1006 Compressed Fiber Sheet
Compressed Sheet with Aramid Fiber, NBR Binder
Compressed Fiber Gaskets are cut from sheets formed by vulcanization under pressure, on large-diameter rolls. These sheets contain either mineral or synthetic fibers, plus a combination of elastomers. Because of the relative low cost in combination with good performance, these materials are widely used to fabricate industrial gaskets. Compressed Fiber Gaskets cover a wide spectrum of applications.
Their main characteristics are:
Fibers provide the structural function which results in the good mechanical characteristics of compressed fiber gaskets.
The choice of elastomers, vulcanized under pressure with fibers, determines the chemical resistance of compressed gaskets. They also provide good flexibility and elastic properties.
The different styles of Teadit® compressed gasket sheets are manufactured with two surface finishes, all of them Teadit® branded.
Graphite or Anti-stick:
Reduces adherence to the flange; mainly used where gaskets are frequently being replaced.
Standardization organizations have issued several standards to assure product consistency and uniformity, as well as to compare products from different manufacturers.
Compressibility and Recovery:
Compressibility and Recovery are evaluated according the ASTM F36 – 99 Standard Test Method for Compressibility and Recovery of Gasket Materials. The compressibility is the thickness reduction while the material is compressed by a load of 5000 psi (34.5 MPa). It is expressed as percentage of the original thickness. Recovery is the increase in thickness after the load has been removed. It is expressed as percentage of the compressed thickness. Compressibility indicates the capacity of the material to flow and fill up flange imperfections. Gaskets with higher compressibility are easier to seat. Recovery indicates the capacity of the material to resist pressure and temperature changes
Sealability is measured according the ASTM F37 – 06 Standard Test Method for Sealability of gasket materials. It indicates the sealing performance under controlled conditions with Isooctane at 14.7 psi (0.101 MPa) and a seating stress from 125 psi (0.86 MPa) to 4000 psi (27.58 MPa).
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Schanzenstraße 35, 51063 Köln, Germany
Phone: +49 (0)221/922 342-0
Fax: +49 (0)221/922 342-22
TEADIT® International Produktions GmbH
Rosenheimer Str. 10, A-6330 Kufstein Austria
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