KLINGERSIL® C-4500

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. It is a superior performance product designed for the use in the chemical industry.

Basis

Carbon fibers 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.

Key features

Utilization of carbon fibres
Heat resistant additives
Resistant to creep and cold flow
Dimensionally stable

Benefits

Suitable for high temperature alkaline media
Suitable for superheated steam

Typical technical data for thickness 2.0 mm

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Compressibility ASTM F 36 J		%	11
Recovery ASTM F 36 J		%	60
Stress relaxation DIN 52913	50 MPa,16 h / 175 °C 50 MPa,16 h / 300 °C	MPa MPa	38 30
Stress relaxation BS 7531	40 MPa, 16 h / 300 °C	MPa	30
KLINGER cold/hot compression 50 MPa	thickness decrease at 23 °C thickness decrease at 300 °C	% %	10 15
Tightness	DIN 28090-2	mg/s x m	0.05
Specific leakrate λ	VDI 2440	mbar x l/s x m	4.94E-06
Thickness increase after fluid immersion ASTM F 146	Oil IRM 903: 5 h / 150 °C Fuel B: 5 h / 23 °C	% %	3 5
Density		g/cm³	1.6
Average surface resistance	ρD	Ω cm	8.0x10E04
Thermal conductivity	λ	W/mK	0.43
Classification acc. to BS 7531:2006	Grade AX

ASME-Code sealing factors

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for gasket thickness 1.0 mm	tightness class 0.1 mg / s x m	MPa	y 20 m 1.0
for gasket thickness 2.0 mm	tightness class 0.1 mg / s x m	MPa	y 20 m 1.6
for gasket thickness 3.0 mm	tightness class 0.1 mg / s x m	MPa	y 20 m 2.0

Dimensions of the standard sheets

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Sizes	1000 x 1500 mm, 2000 x 1500 mm
Thicknesses	0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
Tolerances	Thickness acc. to DIN 28091-1 Length ±50 mm, Width ±50 mm

Other thicknesses, sizes and tolerances on request.

Function and durability

The performance and service life of KLINGER gaskets depend to a large extent 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 take note of our installation Manual.