Tealon TF1570


Tealon TF1570 is a structured PTFE – Gasket – Sheet manufactured by a unique process which provides a high level of fibrillation to overcome the creep relaxation and cold flow problems associated with normal (skived or molded) PTFE sheets. This style is produced from virgin PTFE resin filled with hollow glass micro spheres.

Application / Service

Tealon TF1570 is suitable for service with a wide variety of aggressive fluids, including hydrocarbons, acids, solvents, water, steam, hydrogen-peroxide, refrigerants, etc. The high compressibility of this style makes it particularly suitable for use with stress sensitive and/or fragile flanged joints, e.g. glass, ceramics, plastic, etc. The gasket material was tested to be in conformance per FDA requirement Method 21 CFR177.2260

Service Limits

Temperature Limits
Available Sheet Sizes
Thickness1/16" or 1/8"
Sheet Sizes59" x 59"
P x T* max350,000 (12,000)**
250,000 (8,600)***
* P x T = psig x °F (bar x °C)
** Based on 1.5mm sheet thickness
*** Based on 3.0mm sheet thickness

Typical Physical Properties

ASTM Test MethodPropertyValue
F36 ACompressability Range (%)30-50
F36 ARecovery (%)30
152Tensile Stength (MPa)14
D792Specific Gravity (g/cm³)1.70
F38Creep Relaxation (%)40
F37 ASealability (ml/n @ .7 bar)0.12
DIN 3535Sealability (cm³ / min)<.015

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