Today for tomorrow.

Today for tomorrow.


Superior performance gasket especially for the chemical industry.

KLINGERSIL® C-4500 is a premium, quality high-pressure gasket especially suitable for use with high temperature alkaline media and superheated steam.


Carbon fibres and special heat-resistant additives, bonded with NBR.

Areas of application

Suitable for use with alkaline media and steam at higher temperatures as well as to oils, gases, salt solutions, fuels, alcohols, organic and inorganic acids, hydrocarbons, lubricants and refrigerants.


Typical specifications

Based on 2.0mm thick sample

Colour Black
Compressibility (ASTM F36J) %12
Recovery (ASTM F36J) %60
Stress relaxation DIN 5291350MPa, 16h/300ºCN/mm²35
Stress relaxation DIN 52913 50MPa, 16h/300ºCN/mm²32
Stress relaxation BS 753140MPa, 16h/300ºCN/mm²30
KLINGER hot/cold compression Decrease in thickness at 23ºC
Decrease in thickness at 300ºC
Gas leakage (DIN 3535/6) ml/min <1.0
Thickness increase after immersion in
Oil IRM 903, 5h/150ºC
Fuel B, 5h/23ºC
Density g/cm³ 1.6

Tests and Certifications

Dimensions of the standard sheets

Sheeting (m) 2.0 x 1.5*, 6.0 x 2.0, 6.0 x 1.5
(*Denotes standard sheet size)
Thickness (mm)0.4, 0.5, 0.6, 0.8, 1.0, 1.5, 2.0, 3.0
TolerancesThickness acc. to DIN 28091-1
Length ±50 mm, Width ±50 mm