KLINGERSIL C-4400 Gasket

KLINGERSIL C-4400 is a premium soft gasket material manufactured from aramid fibres bonded with NBR. Its proven fibre matrix delivers safe, reliable sealing across an exceptionally broad range of media, including oils, water, steam, gases, salt solutions, fuels, alcohols, moderate organic and inorganic acids, hydrocarbons, lubricants and refrigerants.
With an extensive list of international approvals — including fire-safe certification and TA-Luft — C-4400 is a smart standardisation choice for sites that want one dependable sheet covering the majority of their sealing duties. It is used throughout general industry, chemical processing, oil and gas, energy, marine and food and beverage applications.
Product Variations
ApPLICATIONS
- Oils and lubricants
- Water and steam
- Gases
- Salt solutions
- Fuels and alcohols
- Moderate organic and inorganic acids
- Hydrocarbons
- Refrigerants
Material Properties
- Composition: aramid fibres bonded with NBR
- Colour: green
- Sheet size: 1000 x 1500 mm, 2000 x 1500 mm
- Thickness: 0.5 / 1.0 / 1.5 / 2.0 / 3.0 mm
Technical Data
- Compressibility (ASTM F 36 J): 11%
- Recovery (ASTM F 36 J): 55%
- Tightness (DIN 28090-2): 0.02 mg/(s x m)
- Density: 1.6 g/cm³
- Thermal conductivity: 0.42 W/mK
- ASME sealing factors (2.0 mm): y 15 MPa, m 1.6
- Typical values for a thickness of 2.0 mm
Document Downloads
Applicable Design Codes, Standards, and Specifications
- Classification to BS 7531:2006 Grade AY
- Thickness tolerances to DIN 28091-1
- Fire-Safe to DIN EN ISO 10497
- Approvals: BAM-tested, DIN-DVGW, DIN-DVGW W 270, DVGW VP 401, Elastomer-Guideline, ÖVGW, TA-Luft (Clean air), DNV GL













































































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