Material technical data sheet

KLINGERsil C4500

Carbon and aramid fibres with an NBR binder

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KLINGERsil C4500: key information

KLINGERsil C4500 is a premium high-pressure gasket developed for high-temperature alkaline media and superheated steam. Carbon fibres and heat-resistant additives are bonded with an NBR elastomer for chemical-industry service.

Temperature: -200°C to +250°C
Pressure: Up to 40 bar
Density: 1,6 g/cm3
Compressibility (ASTM F 36 J): 11 %

KLINGERsil C4500 high-pressure compressed fibre gaskets

Applications, composition and key points

The essential product information is grouped here to make comparisons and project preparation easier.

Benefits

Use of carbon fibres
Heat-resistant additives
Resistant to creep and cold flow
Dimensional stability
Suitable for high-temperature alkaline media and superheated steam

Applications

Suitable for alkaline media and high-temperature steam as well as oils, gases, salt solutions, fuels, alcohols, organic and inorganic acids, hydrocarbons, lubricants and refrigerants.

Corrosive or alkaline processes
Water, Oils, Gas, Refrigerants
Superheated steam
Hydrocarbons

Certifications and approvals

BAM fire-safety approval
DIN-DVGW and DIN-DVGW W 270 drinking-water approvals
ÖVGW (no. G 2.143, Austria)
DNV GL (Marine)
TA-Luft (clean air)
Fire-Safe to DIN EN ISO 10497

Technical data and availability

Review the available values, formats and technical tables for this product.

Properties

Density: 1,6 g/cm3
Compressibility (ASTM F 36 J): 11 %
Recovery (ASTM F 36 J): 60 %
Hot stress relaxation — DIN 52913 (50 MPa, 16 h/175°C): 38 MPa
Hot stress relaxation — DIN 52913 (50 MPa, 16 h/300°C): 30 MPa
Relaxation — BS 7531 (40 MPa, 16h/300°C): 30 MPa
Cold/hot compression (KLINGER, 50 MPa): 10% at 23°C / 15% at 300°C
Sealing (DIN 28090-2): 0,05 mg/(s·m)
Specific leakage rate (VDI 2440): 4,94 x 10-6 mbar·l/(s·m)
Swelling after immersion (ASTM F 146): IRM 903 oil (5 h/150°C): 3% — Fuel B (5 h/23°C): 5%
Thermal conductivity: 0,43 W/mK
Classification (BS 7531:2006): Grade AX
ASME gasket factors at 2 mm thickness: y = 20 MPa / m = 1,6
Optimum operating conditions: 0 – 40 bar / -200°C to +250°C

Available formats

Sheet sizes: 1000 × 1500 mm and 2000 × 1500 mm
Thicknesses: 0,5 / 1,0 / 1,5 / 2,0 / 3,0 mm
Tolerances: Length and width ±50 mm — thickness to DIN 28091-1

All grades

Klinger gaskets KLINGERsil C4430 KLINGERsil C4400 KLINGERsil C4509 KLINGERsil C8200

Frequently asked questions about KLINGERsil C4500

What should you know about KLINGERsil C4500?

Which applications suit KLINGERsil C4500?

Suitable for alkaline media and high-temperature steam as well as oils, gases, salt solutions, fuels, alcohols, organic and inorganic acids, hydrocarbons, lubricants and refrigerants. The main points are: Corrosive or alkaline processes; Water, Oils, Gas, Refrigerants; Superheated steam; Hydrocarbons.

What are the main properties of KLINGERsil C4500?

The main stated properties are: Density : 1,6 g/cm3 ; Compressibility (ASTM F 36 J) : 11 % ; Recovery (ASTM F 36 J) : 60 % ; Hot stress relaxation — DIN 52913 (50 MPa, 16 h/175°C) : 38 MPa.

Which formats are available for KLINGERsil C4500?

The available formats are: Sheet sizes : 1000 × 1500 mm and 2000 × 1500 mm ; Thicknesses : 0,5 / 1,0 / 1,5 / 2,0 / 3,0 mm ; Tolerances : Length and width ±50 mm — thickness to DIN 28091-1.

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KLINGERsil C4500: key information

Temperature

-200°C to +250°C

Pressure

Up to 40 bar

Density

1,6 g/cm3

Compressibility (ASTM F 36 J)

11 %