Non-Metallic Expansion Joints

TefSeal
Joint Sealant and Gasket Tape

Highly Fibrillated Expanded PTFE

Joint Sealant: Ideal for worn flanges
Gasket Tape: Flat sealant for surfaces requiring a strip or full gasket


Testing


FSA Standard System Test: Passed (8/96) Conditions: 271°C @ 55 BAR for 523 Hours
DIN 3535 Gas Permeability: 0.05 ml/min (nitrogen gas permeation)
Conditions: Clamping pres.230 BAR Internal pres 40 BAR
1260°C/2300°F
Compressibility per ASTM F36-97: Results: 72.2%
Creep Relaxation per ASTM F38B-95: Results: 24.5%

Thorburn's Tefseal

Flexibility, compressibility, stability under high
temperature and high tensile strength
Chemically inert, resists creep relaxation and
maintains a seal in extreme temperature and
chemical conditions
Gasket Tape 12.7 mm to 51mm X 5m
Joint Sealant 6.3mm to 19mm X 15m

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Temperatures Range -
240°C to 316°C



Seals liquids and gases in wet or dry service