KLINGERSIL® C-4300 Sheet

KLINGERSIL® C-4300

KLINGERSIL® C-4300 is a high-pressure sealing material with versatile applications, providing reliability and safety in a wide range of operating conditions. With a reinforced structure based on aramid fibers and NBR adhesive, the sheet is characterized by dimensional stability, high chemical resistance, and mechanical durability, making it an optimal choice for many industrial sectors.

Construction and Properties

• Aramid fibers bonded with NBR - provide high resistance to compression and excellent mechanical strength.
• Stable structure - ensures dimensional integrity and durability in demanding operating conditions.
• Consistent material composition - allows for uniform sealing quality and long-term resistance to external factors.

Applications

KLINGERSIL®  C-4300 is used in installations requiring high temperature and pressure resistance, including:

• Hot water and steam transport systems,
• Industrial oil installations,
• Hydrocarbon and aggressive chemical compound seals,
• Applications requiring tightness and resistance to various media.

Benefits

• Versatility - material adapted to a wide range of industrial applications.
• Dimensional stability - prevents deformations and ensures long sealing life.
• Optimal price-to-quality ratio - an efficient solution for demanding applications.

Available Dimensions and Thicknesses

• Standard sheet dimensions:
  • 1000 × 1500 mm
  • 2000 × 1500 mm
• Available thicknesses:
  • 0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
• Tolerances:
  • Thickness according to DIN 28091-1
  • Length ±50 mm, width ±50 mm
  • Option to customize dimensions upon customer request

Certificates and Approvals

• DIN-DVGW
• DIN-DVGW W 270
• Elastomer-Guideline
• DNV GL
• SVGW Approval

KLINGERSIL® C-4300 is a high-quality sealing solution that combines advanced technology, durability, and a wide range of applications, meeting rigorous safety and quality standards.

Technical Specification - KLINGERSIL® C-4300

Typical Technical Data for 2.0 mm Thickness

Mechanical Properties

• Compressibility (ASTM F36 J): 14%
• Recovery (ASTM F36 J): 50%
• Residual stress (DIN 52913):
  • 50 MPa, 16 h / 175°C: 32 MPa
  • 50 MPa, 16 h / 300°C: 20 MPa
• Residual stress (BS 7531):
  • 40 MPa, 16 h / 300°C: 23 MPa
• Compressive strength (Klingera method, 50 MPa):
  • Thickness loss at 23°C: 10%
  • Thickness loss at 300°C: 22%

Sealability

• DIN 28090-2: 0.03 mg/s x m

Chemical Resistance - Swelling (ASTM F146)

• IRM 903 Oil: 5 h / 150°C: 5%
• Fuel B: 5 h / 23°C: 10%

Electrical Properties

• Surface resistivity (ρO): 2.2 × 10¹² Ω
• Volume resistivity (ρD): 1.2 × 10¹² Ω cm
• Dielectric strength (ED): 10 kV/mm
• Power factor (50 Hz, tan δ): 0.082
• Dielectric constant (50 Hz, εr): 7.4

Thermal Properties

• Thermal conductivity (λ): 0.39 W/mK

Classification and Design Factors

• Classification according to BS 7531:2006: Class Y
• Design factors per ASME for sealability class 0.1 mg/s x m
  • Thickness 1.0 mm: y = 15 MPa, m = 1.3
  • Thickness 2.0 mm: y = 15 MPa, m = 3.0
  • Thickness 3.0 mm: y = 15 MPa, m = 4.0

KLINGERSIL® C-4300 is a high-pressure seal with universal applications, characterized by excellent mechanical resistance, high sealability, and broad chemical resistance, making it an ideal choice for various industrial applications.