Continental Trade Sp. z o. o.

Sealing

KLINGER top-chem

KLINGERtop-chem is a range of modified PTFE based materials which offer the chemical resistance of PTFE with increased mechanical strength and resistance to cold and hot flow under compressive loading. Additional compounds such as silica, barium sulphate or silicon carbide allow the materials to be used at higher temperatures and compressive loads than would typically be expected for standard PTFE products.

KLINGERtop-chem-2000 is a heavy-duty modified PTFE material, which has been engineered to cater for a wide range of applications. The exceptional mechanical strength of the material enables it to withstand high temperatures and pressures, whilst providing unparalleled creep-resistance. This material has excellent chemical resistance and can be used in strongly acidic and alkaline applications. It is the only PTFE based material with fire-safe certification (EN 10497 & API 6FA).

KLINGERtop-chem-2003 has been designed to offer high compressibility combined with outstanding chemical resistance. The result is a material which is suitable for practically all media including both strongly acidic and strongly alkaline environments and which is able to maintain a tight seal even at low bolt loads. The highly compressible nature of KLINGERtop-chem-2003 allows the material to be used on glass and rubber lined flanges. The material has excellent mechanical properties at low and medium temperatures and loads.

KLINGERtop-chem-2005 and 2006 have been developed to offer an economical alternative to KLINGERtop-chem-2000 and KLINGERtop-chem-2003 for less demanding applications. Both materials offer good mechanical properties for medium and low temperatures and loads. KLINGERtop-chem-2006 is also free from pigments and is therefore especially suited to food and pharmaceutical applications.

 

Top-chem-2000

Premium grade, heavy-duty modified PTFE

Applications:

  • Virtually all media up to temperatures of 260°C
  • Ideal for aggressive chemicals, steam and oxygen applications
  • Excellent resistance to biofuels offering a fire-safe gasket suitable for all concentrations

Properties:

  • Premium grade, heavy-duty PTFE gasket suitable for a wide range of applications within the chemical and petrochemical industries
  • The only PTFE based gasket material on the market to hold fire-safe approval
  • Excellent sealing at high temperatures and pressures
  • Ideal for aggressive chemicals
  • Easy to handle and cut
  • Fire-safe
  • Creep resistant
  • Available in sheet form and as cut gaskets
  • Anti-stick finish on both sides

 

Compressibility (ASTM F36J) % 2
Recovery (ASTM F36J)  % 55
Stress relaxation 50 MPa, 16 h/300°C MPa 35
 acc. DIN 52913 30 MPa, 16 h/300°C MPa 30
Hot/cold compression 23°C/50 MPa % 2
Klinger methodology 250°C/50 MPa % 5
23°C/25 MPa % -
250°C/25 MPa % -
Gas leakage DIN 3535/6 ml/min 0,5
DIN 28090-2 mg/(m*s) 0,05
Thickness increase after immersion in: H2SO4 100%: 18 h/23°C % 0,5/1
HNO3 100%: 18 h/23°C % 1/2
NAOH 33%: 72 h/110°C % 5/5
Density  g/cm3 2,5
Thickness of sample  mm 1,5
Sheeting 1500 x 1500 mm 

Diagram P - T (pressure - temperature)

Diagram P - T (pressure - temperature)

Top-chem-2003

Premium grade, high compressibility modified PTFE

Applications:

  • Virtually all media up to temperatures of 260°C
  • Excellent sealing performance at low surface stress and is especially suitable for use in glass and rubber lined flanges
  • Ideal for aggressive chemicals, steam and oxygen applications.

Properties:

  • Highly compressible, modified PTFE material with outstanding chemical resistance. Ideal for applications where bolt load is limited or where flanges are delicate e.g. glass-lined equipment
  • Excellent chemical resistance
  • Excellent sealability even at low bolt loads or temperatures
  • Ideal for non-metallic flanges and damaged sealing surfaces
  • Available in sheet form and as cut gaskets
  • Anti-stick finish on both sides
Compressibility (ASTM F36J) % 16
Recovery (ASTM F36J) % 35
Stress relaxation 50 Mpa, 16 h/300°C MPa -
acc. DIN 5293 30 Mpa, 16 h/300°C MPa 13
Hot/cold compression 23°C/50 Mpa % -
Klinger methodology 250°C/50 Mpa % -
23°C/25 Mpa % 9
250°C/25 Mpa % 38
Gas leakage DIN 3535/6 ml/min 0,1
DIN 28090-2 mg/(m-s) 0,01
Thickness increase after immersion in: H2SO4 100%: 18 h / 23° % 1
HNO3 100%: 18 h / 23°C % 0
NAOH 33%: 72 h / 110°C % 1
Density g/cm3 1,7
Thickness of sample mm 2
Sheeting 1500 x 1500 mm

Diagram P - T (pressure - temperature)

Diagram P - T (pressure - temperature)

Top-chem-2005

Economical, modified PTFE

Applications:

  • Ideal for strongly acidic environments
  • Modified PTFE material with excellent chemical resistance and good mechanical properties. Suitable for a wide range of applications, except for strong alkaline conditions
  • Ideal for aggressive chemicals, steam and oxygen applications.

Properties:

  • Economical alternative to Top-Chem-2000
  • Good mechanical properties at low to medium temperatures
  • Very good chemical resistance
  • Available in sheet form and as cut gaskets
  • Anti-stick finish on both sides
Compressibility (ASTM F36J) % 3
Recovery (ASTM F36J) % 40
Stress relaxation 50 Mpa, 16 h/300°C MPa -
acc. DIN 5293 30 Mpa, 16 h/300°C MPa 25
Hot/cold compression 23°C/50 Mpa % 10
Klinger methodology 250°C/50 Mpa % 30
23°C/25 Mpa % -
250°C/25 Mpa % -
Gas leakage DIN 3535/6 ml/min 0,2
DIN 28090-2 mg/(m-s) 0,02
Thickness increase after immersion in: H2SO4 100%: 18 h / 23°C     % 1
HNO3 100%: 18 h / 23°C % 1
NAOH 33%: 72 h / 110°C % Not Suitable
Density g/cm3 2,2
Thickness of sample mm 1,5
Sheeting 1500 x 1500 mm

Diagram P - T (pressure - temperature)

Diagram P - T (pressure - temperature)

Top-chem-2006

Economical, modified PTFE

Applications:

  • Ideal for strongly alkaline environments,
  • Modified PTFE material with excellent chemical resistance and good mechanical properties. Suitable for a wide range of applications, except for strongly acidic conditions,
  • Ideal for aggressive chemicals, steam and oxygen applications.

Properties:

  • Economical alternative to Top-Chem-2000,
  • Good mechanical properties at low to medium temperatures,
  • Very good chemical resistance,
  • Available in sheet form and as cut gaskets,
  • Anti-stick finish on both sides.
Compressibility (ASTM F36J) % 4
Recovery (ASTM F36J) % 40
Stress relaxation 50 Mpa, 16 h/300°C MPa -
acc. DIN 5293 30 Mpa, 16 h/300°C MPa 18
Hot/cold compression 23°C/50 Mpa % 10
Klinger methodology 250°C/50 Mpa % 40
23°C/25 Mpa % -
250°C/25 Mpa % -
Gas leakage DIN 3535/6 ml/min 0,1
DIN 28090-2 mg/(m-s) 0,01
Thickness increase after immersion in: H2SO4 100%: 18 h / 23°C % Not Suitable
HNO3 100%: 18 h / 23°C             % 1
NAOH 33%: 72 h / 110°C % 1
Density g/cm3 2,9
Thickness of sample mm 1,5
Sheeting 1500 x 1500 mm

Diagram P - T (pressure - temperature)

Diagram P - T (pressure - temperature)

While every attempt has been made to verify the source of the information, no responsibility is accepted for accuracy of data.

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