KLINGER® TOP-CHEM 2000

KLINGER® TOP-CHEM 2000

KLINGER® TOP-CHEM 2000 is a universal sealing material designed for extreme applications where high safety is required under heavy mechanical loads and elevated temperatures. Thanks to its unique construction, which combines PTFE with silicon carbide, this material provides excellent chemical and mechanical resistance, making it indispensable in the chemical, petrochemical, and shipbuilding industries. It is the only PTFE-based sealing with Fire Safe certification, guaranteeing its reliability in the most demanding applications.

Construction and Properties

• PTFE-based sealing enriched with silicon carbide
• mechanical stability even at high temperatures
• resistance to cold flow and cold creeping
• no material aging process

Applications

KLINGER® TOP-CHEM 2000 exhibits high resistance to aggressive chemicals, making it ideal for:

• chemical and petrochemical industry installations
• applications requiring contact with strong acids and bases
• systems operating with steam and oxygen
• transporting and storing chemical substances

Benefits

• resistance to high surface pressures even at elevated temperatures
• ability to withstand extreme bolt loads
• excellent chemical resistance
• dimensional stability and excellent sealing properties

Standard Dimensions and Tolerances

• dimensions: 1500 x 1500 mm
• available thicknesses: 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
• tolerances according to DIN 28091-1 (length ±50 mm, width ±50 mm)
• custom dimensions available upon request

Certifications and Approvals

• DIN-DVGW
• DIN-DVGW W 270
• KTW-Guideline
• DNV GL
• WRAS approval
• TA-Luft (Clean Air)
• Fire-Safe according to DIN EN ISO 10497
• FDA Compliance Declaration
• Compliance Declaration with Regulation (EU) No. 1935/2004 (including 10/2011)

KLINGER® TOP-CHEM 2000 is a top-tier solution for demanding industrial applications where long-term resistance to extreme chemical and mechanical conditions is essential.

Technical Specification - KLINGER® TOP-CHEM 2000

Material

• PTFE-based sealing enriched with silicon carbide
• high chemical and mechanical resistance
• dimensional stability at high temperatures

Physical Parameters

• density: 2.5 g/cm³
• dielectric strength (Ed): 3.6 kV/mm
• power factor (50 Hz, tanδ): 0.166
• dielectric constant (50 Hz, εr): 10.6
• thermal conductivity (λ): 0.60 W/mK

Mechanical Parameters

• compressibility (ASTM F 36 M): 4%
• recovery (ASTM F 36 M): 50%
• residual stresses (DIN 52913) after 16 h at 150 °C: 28 MPa
• residual stresses (DIN 52913) after 16 h at 260 °C: 36 MPa
• strength according to Klinger method (50 MPa)

Dimensional Stability

• thickness loss at 23 °C: 5%
• thickness loss at 260 °C: 11%

Sealing and Chemical Resistance

• sealing (DIN 28090-2): 0.08 mg/s x m
• gas permeability (VDI 2440): 4.46E-06 mbar x l/s x m
• thickness change / weight in H₂SO₄ (100%, 18 h / 23 °C): 1/1%
• thickness change / weight in HNO₃ (100%, 18 h / 23 °C): 1/2%
• thickness change / weight in NaOH (33%, 72 h / 110 °C): 1/3%

Electrical Properties

• surface resistance (ρO): 6.9x10E12 Ω
• volume resistance (ρD): 2.2x10E12 Ω cm

Design Coefficients per ASME

• for 1.0 mm thickness gasket:
  • leakage rate class 0.1 mg/s x m
  • y: 12 MPa
  • m: 2.8
• for 2.0 mm thickness gasket:
  • leakage rate class 0.1 mg/s x m
  • y: 15 MPa
  • m: 3.2
• for 3.0 mm thickness gasket:
  • leakage rate class 0.1 mg/s x m
  • y: 18 MPa
  • m: 3.8

KLINGER® TOP-CHEM 2000 is an advanced sealing solution providing exceptional chemical and mechanical resistance at high temperatures. Reinforced with silicon carbide, it performs excellently in the chemical, petrochemical industries, and applications requiring high pressure resistance and thermal stability.