TA Luft test in accordance with VDI 2200 (06-2007)

For the TA Luft1 test, the seal is installed in a DN40/PN40 steel flange, usually with a gasket stress of 30 MPa. The flange is then exposed to a defined temperature for minimum 48 hours. After cool down, leakage rate is measured over a period of at least 24 hours. The test pressure is 1 bar helium.

The ultimate final leakage rate after a test duration of 24 hours must remain below 10–4 mbar*l/(s*m) for the seal to qualify according to TA Luft.

1Federal Ministry of Germany for the Environment, Nature Conservation, Building and Nuclear Safety: First General Administrative Regulation Pertaining the Federal Emission Control Act (Technical Instructions on Air Quality Control - TA Luft), Joint Ministerial Gazette, July 30, 2012.

Oxygen Service

The Federal Institute for Materials Research and Testing (BAM) tests the sealing material compatibility for use in flanged connections with liquid and gaseous oxygen. Further information on the test procedure and the result can be found in the following test report. Please note that the test was conducted without adhesive backing.

Natural Gas Service (DVGW Type Examination)

The DVGW (Deutscher Verein des Gas- und Wasserfaches e.V.) is the German Technical and Scientific Association for Gas and Water. It tests sealing materials according to the DVGW VP 403 norm "Expanded polytetrafluoroethylene (PTFE) sealing profiles for flange connections in the gas supply industry." GORE® Joint Sealant (5mm (3/16") width) fulfills all requirements of this norm and is therefore suitable for natural gas applications.

Leachable Fluoride and Chloride

This test analyzes leachable water-soluble fluoride and chloride ions which can induce flange corrosion. The samples are leached for 24 hours at approximately 95°C in demineralized water. Contact Gore for further information if this testing is required for your application.

Safety Data Sheet (SDS)

GORE® Gasketing products meet the definition of an article; therefore, a Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) is not required. However, for your convenience, a Product Safety Sheet (PSS), which details the intended use and proper handling of our articles, is provided.

Quality Management System

The Gore Sealant Technologies Quality Management System is certified in accordance with ISO 9001.

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