KLINGERSIL® C-4500

KLINGERSIL® C-4500

KLINGERSIL® C-4500 is a premium high-pressure gasket designed to work in extreme industrial conditions. The use of carbon fibers and heat-resistant additives provides exceptional resistance to alkaline media, superheated steam, and a wide range of aggressive chemicals. Excellent dimensional stability and resistance to creep make the material a reliable solution for the most demanding applications in the chemical, energy, and petrochemical industries.

Construction and Properties

• the combination of carbon fibers and heat-resistant additives ensures high mechanical strength and chemical resistance
• bonding with NBR elastomer ensures better sealing and durability in challenging operating conditions
• increased resistance to creep and cold flow, providing long-lasting sealing

Applications

KLINGERSIL® C-4500 is used in applications requiring reliable resistance to aggressive chemical media and high temperatures, such as:

• chemical and petrochemical industries - resistance to alkalis, organic and inorganic acids, salt solutions, hydrocarbons, and tars
• energy and heating systems - ideal sealing for superheated steam and high-temperature gases
• fuel and gas industry - effective protection against fuels, oils, and alcohols
• applications requiring resistance to high temperatures and aggressive chemical environments

Benefits

• high resistance to alkaline media at extreme temperatures
• dedicated for use with superheated steam, ensuring long-lasting sealing under high-pressure conditions
• dimensional stability, resistance to creep and mechanical deformations
• longer service life and operational safety

Available Sizes and Thicknesses

• standard plate dimensions:
  • 1000 × 1500 mm
  • 2000 × 1500 mm
• available thicknesses:
  • 0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
• dimensional tolerances:
  • thickness according to DIN 28091-1
  • length ±50 mm, width ±50 mm
  • possibility to order other thicknesses and dimensions

Certifications and Approvals

• BAM-tested
• DIN-DVGW
• DIN-DVGW W 270
• Elastomer-Guideline
• ÖVGW Reg.No. G 2.143
• DNV GL
• TA-Luft (Clean Air)
• Fire-Safe according to DIN EN ISO 10497

KLINGERSIL® C-4500 is a technologically advanced gasket designed for operation in conditions of high temperature, pressure, and contact with aggressive chemical substances, offering unparalleled durability and maximum operational safety.

Technical Specification - KLINGERSIL® C-4500

Typical Technical Data for a thickness of 2.0 mm

Mechanical Properties

• compressibility (ASTM F 36 J): 11%
• recovery (ASTM F 36 J): 60%
• residual stresses (DIN 52913):
  • 50 MPa, 16 h / 175°C: 38 MPa
  • 50 MPa, 16 h / 300°C: 30 MPa
• residual stresses (BS 7531):
  • 40 MPa, 16 h / 300°C: 30 MPa
• compression strength (Klinger method, 50 MPa):
  • thickness loss at 23°C: 10%
  • thickness loss at 300°C: 15%

Sealing

• DIN 28090-2: 0.05 mg/s x m

Gas Permeability

• VDI 2440: 4.94E-06 mbar x l/s x m

Chemical Resistance - Swelling (ASTM F 146)

• oil IRM 903: 5 h / 150°C: 3%
• fuel B: 5 h / 23°C: 5%

Physical Properties

• density: 1.6 g/cm³

Electrical Properties

• surface resistance (ρD): 8.0 x 10⁴ Ω cm

Thermal Properties

• thermal conductivity (λ): 0.43 W/mK

Classification and Design Coefficients

• classification according to BS 7531:2006: class AX
• design coefficients according to ASME for sealing class 0.1 mg/s x m
  • thickness 1.0 mm: y = 20 MPa, m = 1.0
  • thickness 2.0 mm: y = 20 MPa, m = 1.6
  • thickness 3.0 mm: y = 20 MPa, m = 2.0

KLINGERSIL® C-4500 is a high-performance gasket with exceptional resistance to high temperature, pressure, and aggressive chemical media, providing long service life and maximum operational safety.