Flexitallic Thermiculite® 815

Thermiculite® 815 is a high temperature, chemically resistant sheet sealing material comprising exfoliated vermiculite reinforced with a tanged stainless steel core.

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Producttype

Gaskets

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Certificates

API 6FB Fire Safe

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Pressure

20 bars

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Temperature

982 °C

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Service

Thermiculite® 815 is comprised of a tanged 316 Stainless Steel core faced with a high performance vermiculite based sealing material. The metallic core provides improved blow out resistance, handling and cutting characteristics. Thermiculite® 815 is suitable for use ina wide range of sealing applications. The material is capable of effecting a high integrity seal at extremes of temperature. Typical applications involve sealing superheated high pressure steam, strong oxidising media and high temperature gas and exhaust systems.

Material Properties

Color
Golden Brown
Thickness
1.5 mm

Typical Physical Properties

Density
1.2 g/cm³
ASTM F36A Compressibilty
44 %
ASTM F36A Recovery
9 %
ASTM F38 B Creep Relaxation1/32”
23.5 %
BS 7531 Gas Permeability
0.13 mL/min
BS 7531 Residual Stress
31 MPa
Maximum Temperature
982 °C
Maximum Pressure
200 bars

Gaskets Constants

m (ASME)
2.0
Y (ASME)
17.25 MPa
PVRC Gb
13.1 MPa
PVRC a
0.2
PVRC Gs
3.1 MPa

Approvals and test reports

API 6FB Fire Safe

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