This slideshow details about different types of heat conservation insulation used in chemical, petrochemical plants and refineries.

2. Operating Temperature
Less than 100 Deg. C
Both For Equipment and
Piping
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3. Operating Temperature
Above100 Deg. C
Also as Acoustic Insulation
Asbestos filler prohibited as it
causes fibrotic lung disease
called asbestosis.
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4. Operating Temperature
Up to 260 Deg. C
As per ASTM C552
Density at least 88 Kg/m3
Temperature Rating at least :
315 Deg. C
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5. Operating Temperature
Up to 500 Deg. C
Should be water repellent.
As per ASTM C592 for more
than 36” Dia.
Minimum density : 128 Kg/m3
Wire mesh on inside surface
and either wire mesh, expanded
metal or glass mat outside.
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6. http://www.pipingengineer.org