Critical Series
ThermcuIite 815 Tanged Sheet
High temperature sheet material reinforced with a 0.004” thick 316 SS tanged
core.
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Product Reference
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THERMICULITE 815 TANGED SHEET
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Service
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Maximum Service Temperature
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980°C (1800°F)
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Maximum Tested Pressure
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20 Mpa (200 bar; 2900 psi)
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Typical Physical Propertiesl |
Thickness
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mm
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0.75
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1.5
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2.0
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3.0
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Facing Density
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g/cm3
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1.2
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1.2
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1.2
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1.2
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ASTM Compressibility
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%
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33
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44
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40
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44
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ASTM Recovery
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%
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13
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9
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9
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9
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BS 7531 Gas Permeability
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mL/min
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0.06
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0.13
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0.15
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0.17
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BS 7531 Stress Retention @ 300°C
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MPa
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34
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31
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26
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17
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ASTM F38B Creep Relaxation
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1/32"
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23.5%
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Design Properties
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m
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2
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y
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2500psi
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Availability
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Thickness Range
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1/32", 1/16", 1/8"
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Sheet Size
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1m x 1m 60" x 60" (special) |
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Graph 1 illustrates the loss of load over time for graphite
as a function of temperature.
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Graph 2 illustrates several reasons why end users prefer Therniiculite
815 over mica sheet, the most influencial factor being sealability. Mica sheet
is over 100 times more leaky than Thermiculite 815.
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Thermiculite 815 Tanged Sheet
• Thermiculite 815 tanged sheet can be laser and waterjet
cut.
• Seal large diameter gaskets at the dovetails with Thermiculite paste.
The paste creates a high temperature seal as if the gasket was one piece!
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Thermiculite 815 Tanged Sheet
High temperature sheet material reinforced with a
0.004” thick 316 SS tanged core.
Technical Information
Compare the minor weight loss of Thermiculite 815
to the best and worst forms of graphite in Graph 3
below. Thermiculite is thermally stable.
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Unlike graphite, the load loss at operational temper- attires
does not increase with time when using Thermiculite, as shown in Graph 4.
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