Characteristic & main applications
Premium high-pressure gasket for exacting operations with water, steam and liquid and gaseous chemicals.
High-pressure capability due to expanded metal reinforcement. Resistant to oils, hydrocarbons, water, steam and gases.

Synthetic fibres bonded with NBR.

Technical data

Typical values for 1,5 mm thickness
  % 7
min. % 50
Stress relaxation
DIN 52913
50 MPa, 16 h/300 °C MPa 35
Klinger cold/hot compression 50 MPa thickness decrease at 23 °C % 10
thickness decrease at 300 °C % 10
Tightness according DIN 3535/6   ml/min 2,0
Thickness increase after fluid immersion
ASTM F 146
oil IRM 903: 5 h/150 °C % 3
Fuel B: 5 h/23 °C % 5
Density   g/cm3 2,0
Meets the technical requirements of BS 7531: Grade Y


Technical advice
KLINGERexpert (pdf, 439KB)
The many, varied demands placed on gaskets
Gasket selection with the pT diagram
Product datasheet
Product documentation
KLINGER Hot and Cold compression test method
High temperature tightness
Surface perssures acc. DIN 28090
Gasket factors acc. DIN 28090 and EN 13555
Chemical compatibility

Technical Support
Application Overview
Important application parameters
Installation instructions
Shelf life of KLINGERSIL
Safety Information
Technical presentation
Approvals and certificates

Dimensions of the standard sheets
Sizes KLINGERSIL® C-4409:
Sizes: 1000 x 1500 mm, 1500 x 2000mm
Sizes KLINGERSIL® C-4409 L:
Sizes: 1000 x 1230 mm, 1230 x 2000mm
Thicknesses: 0,8 mm, 1,0 mm, 1,5 mm;
other thicknesses and sizes on request.
Tolerances: thickness acc. to DIN 28091-1, lenght ± 50 mm, width ± 50mm

Function and durability
The performance and service life of KLINGER gaskets depend in large measure on proper storage and fitting, factors beyond the manufactor’s control. We can, however, vouch for the excellent quality of our products. With this in mind, please also observe our installation instructions.

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pT diagram
The Klinger pT diagram provides guidelines for determining the suitability of a particular gasket material for a specific application based on the operating temperature and pressure only. Always refer to the chemical resistance of the gasket to the fluid.