KLINGER® TOP-CHEM 2005

KLINGER® TOP-CHEM 2005

KLINGER® TOP-CHEM 2005 is an advanced sealing made of PTFE with inorganic fillers, providing exceptional chemical resistance. Its unique structure allows for effective sealing of installations operating in contact with aggressive chemicals, particularly strong acids. It is an economical alternative to traditional PTFE seals with fillers, offering excellent mechanical properties at moderate temperatures.

Construction and Properties

• PTFE-based seal enriched with inorganic fillers
• Homogeneous material composition ensuring high chemical stability
• Resistance to creep and cold flow
• No material aging, resulting in long service life

Applications

• Excellent solution for installations exposed to strong acids and aggressive chemicals
• Suitable for use in chemical, petrochemical, and pharmaceutical industries
• Ideal for locations requiring reliable and durable chemical-resistant seals

Benefits

• High chemical resistance to strong acids and alkalis
• Very good mechanical properties even at moderate temperatures
• Excellent tightness and dimensional stability
• Economical alternative to classical PTFE seals with fillers

Standard Plate Dimensions

• Dimensions: 1500 x 1500 mm
• Thicknesses: 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
• Tolerances: according to DIN 28091-1
• Other dimensions and thicknesses: available upon request

Certifications and Approvals

• BAM-tested
• DIN-DVGW
• WRAS approval
• KTW-Guideline
• DNV GL
• TA-Luft (Clean air)
• FDA Compliance Declaration (components meet FDA requirements)
• EU Regulation Compliance Declaration No. 1935/2004 (incl. 10/2011)

KLINGER® TOP-CHEM 2005 is the ideal sealing solution for installations requiring the highest chemical resistance and mechanical stability. Thanks to its construction, it provides reliable sealing in a wide range of industrial applications, ensuring durability and safety even in extreme conditions.

Technical Specification - KLINGER® TOP-CHEM 2005

Typical technical data for a thickness of 2.0 mm

Material

• PTFE-based seal enriched with inorganic fillers
• Stable material structure providing chemical and mechanical resistance

Physical Properties

• Density: 2.2 g/cm³
• Dielectric strength (Ed): 23.8 kV/mm
• Power factor (50 Hz, tan δ): 0.071
• Dielectric constant (50 Hz, εr): 3.2
• Thermal conductivity (λ): 0.42 W/mK

Mechanical Properties

• Compressibility (ASTM F 36 M): 4%
• Recovery (ASTM F 36 M): 40%
• Residual stresses (DIN 52913) after 16 h at 150°C: 25 MPa
• Strength according to Klinger's method: 50 MPa

Dimensional Stability

• Thickness loss at 23°C: 5%
• Thickness loss at 260°C: 35%

Tightness and Chemical Resistance

• Tightness (DIN 28090-2): 0.02 mg/s x m
• Gas permeability (VDI 2440): 8.75E-07 mbar x l/s x m
• Thickness/weight change after exposure to chemical substances:
  • H2SO4 (100%), 18 h / 23°C: 1% / 1%
  • HNO3 (100%), 18 h / 23°C: 1% / 2%
  • NaOH (33%), 72 h / 110°C: -

Electrical Properties

• Surface resistance (ρO): 3.1x10E13 Ω
• Volume resistivity (ρD): 3.2x10E13 Ω cm

Design Coefficients According to ASME

• For a 1.0 mm thick gasket
  • Leakage class 0.1 mg/s x m
  • y: 10 MPa
  • m: 2.2
• For a 2.0 mm thick gasket
  • Leakage class 0.1 mg/s x m
  • y: 12 MPa
  • m: 2.8
• For a 3.0 mm thick gasket
  • Leakage class 0.1 mg/s x m
  • y: 12 MPa
  • m: 3.8

KLINGER® TOP-CHEM 2005 is an advanced PTFE seal with excellent chemical resistance and high mechanical stability. Through optimal filler selection, the product provides effective sealing in industrial applications, especially in chemically aggressive environments.