KLINGERSIL® C-4430

KLINGERSIL® C-4430

KLINGERSIL® C-4430 is a high-pressure sealing material designed to work at elevated temperatures and under high mechanical loads. Thanks to the optimal combination of synthetic and glass fibers, bonded with NBR rubber, it provides dimensional stability, high compressive strength, and excellent resistance to hot water and steam.

Construction and Properties

• Synthetic and glass fibers combined with NBR rubber - ensuring high resistance to mechanical loads and aggressive media
• Excellent load-bearing capacity - increased durability under high pressure and temperature conditions
• Dimensional stability - minimal shape change during long-term use

Applications

KLINGERSIL® C-4430 is a material dedicated to applications requiring high resistance to temperature, pressure, and aggressive media, including:

• Energy and heating industry - seals in systems for hot water and steam transmission
• Chemical and petrochemical industry - resistance to oils, alcohols, salt solutions, and hydrocarbons
• Gas and oil industry - effectiveness in contact with fuels, lubricants, and gases
• Maritime and transportation industry - sealing and durability in extreme operating conditions

Benefits

• Suitable for high-temperature steam and water applications
• Increased resistance to hydrocarbons and aggressive chemicals
• Versatility - can be used in a wide range of media

Available Dimensions and Thicknesses

• Standard plate dimensions:
  • 1000 x 1500 mm
  • 2000 x 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 of producing other dimensions on request

Certificates and Approvals

• BAM-tested
• DIN-DVGW
• DIN-DVGW W 270
• DVGW VP 401
• Elastomer-Guideline
• WRAS approval
• DNV GL
• TA-Luft (Clean Air)
• Fire-Safe according to DIN EN ISO 10497
• Fire-Safe according to ISO 19921

KLINGERSIL® C-4430 is a high-quality sealing solution that provides reliability, durability, and safety in demanding industrial conditions.

Technical Specification - KLINGERSIL® C-4430

Typical Technical Data for 2.0 mm Thickness

Mechanical Properties

• Compressibility (ASTM F36 J): 9%
• Recovery (ASTM F36 J): 55%
• Residual stresses (DIN 52913):
  • 50 MPa, 16 h / 175°C: 39 MPa
  • 50 MPa, 16 h / 300°C: 35 MPa
• Compressive strength (Klingera method, 50 MPa):
  • Thickness reduction at 23°C: 8%
  • Thickness reduction at 300°C: 11%

Leakage

• DIN 28090-2: 0.05 mg/s x m

Gas Permeability

• VDI 2440: 2.13E-05 mbar x l/s x m

Chemical Resistance - Swelling (ASTM F146)

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

Physical Properties

• Density: 1.8 g/cm³

Electrical Properties

• Surface resistance (ρO): 4.1 x 10¹³ Ω
• Volume resistance (ρD): 4.5 x 10¹² Ω cm
• Dielectric breakdown strength (Ed): 21.3 kV/mm
• Power factor (50 Hz, tan δ): 0.03
• Dielectric constant (50 Hz, εr): 6.7

Thermal Properties

• Thermal conductivity (λ): 0.38 W/mK

Classification and Design Factors

• Classification according to BS 7531:2006: class AX
• Design factors according to ASME for sealing class 0.1 mg/s x m
  • Thickness 1.0 mm: y = 20 MPa, m = 1.1
  • Thickness 2.0 mm: y = 20 MPa, m = 1.6
  • Thickness 3.0 mm: y = 20 MPa, m = 2.2

KLINGERSIL® C-4430 is a high-pressure sealing material known for its excellent mechanical strength, high tightness, and resistance to hot water, steam, and various chemical compounds, making it an ideal choice for industrial applications requiring resilience to high temperatures and pressures.