KLINGERSIL® C-4430 PLUS

KLINGERSIL® C-4430 PLUS

KLINGERSIL® C-4430 PLUS is a premium-class sealing material characterized by excellent resistance to hot water and steam, as well as exceptional ability to withstand high loads. By using the innovative KLINGER®Quantum technology, the product offers increased thermal stability, higher tightness, and extended lifespan, making it a reliable solution for the most demanding industrial applications.

Construction and Properties

• advanced combination of synthetic and glass fibers provides high mechanical and thermal resistance
• incorporation of NBR rubber enhances resistance to chemical substances and elevated pressures
• application of KLINGER®Quantum technology improves dimensional stability and material durability

Applications

KLINGERSIL® C-4430 PLUS is designed for high-pressure applications requiring resistance to extreme temperatures and aggressive media, including:

• power generation and district heating - excellent sealing in systems conveying hot water and steam
• chemical and petrochemical industry - high resistance to oils, hydrocarbons, greases, weak organic and inorganic acids
• gas and fuel industry - effective protection against gas, fuels, and salt solutions
• hydraulic and cooling systems - durability in contact with coolants and alcohols

Benefits

• increased operational safety due to high temperature and pressure resistance
• longer material lifespan ensuring reliability in prolonged operations
• improved tightness even in extreme conditions
• enhanced thermal stability reducing the risk of seal deformation and degradation

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
  • other dimensions and thicknesses available on request

Certificates and Approvals

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

KLINGERSIL® C-4430 PLUS is a technologically advanced sealing that ensures long-term resistance, maximum tightness, and reliability in extreme operating conditions, meeting the highest industrial standards.

Technical Specification - KLINGERSIL® C-4430 PLUS

Typical Technical Data for a Thickness of 2.0 mm

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
• residual stresses (BS 7531):
  • 40 MPa, 16 h / 300°C: 31 MPa
• compressive strength (Kling’s method, 50 MPa):
  • thickness loss at 23°C: 8%
  • thickness loss at 300°C: 11%
  • thickness loss at 400°C: 14%

Tightness

• DIN 28090-2: 0.05 mg/s x m

Gas Permeability

• VDI 2440: 2.9E-06 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 resistivity (ρD): 4.5 x 10¹² Ω cm
• dielectric 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 per ASME for tightness 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 PLUS is a sealing material with high resistance to temperature and pressure, providing durability, tightness, and reliability in demanding industrial conditions.