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Technical note · Technical Notes

How to read temperature-dependent aerogel blanket data

A source-recorded comparison of listed RT-AT-H and RT-AT-L blanket values, with the evaluation limits that matter before a thermal project is specified.

Editorial illustration of silica aerogel granules and an insulation blanket cross-section.
Editorial illustration for technical context. See the source record below for the scope of the information.

Technical context

This technical note organizes supplied source-file information for Aerogel Blanket for Industrial Insulation. It is intended to help an engineering or procurement team frame a request for product-specific documentation; it is not a substitute for project qualification.

Source-recorded data

ItemSource-recorded valueConditions / scopeSource record
Thermal conductivity0.020 W/(m.K) at 25 C; 0.036 W/(m.K) at 300 CValues are listed for the RT-AT-H product grade in the supplied product catalogue.English aerogel product catalogue | p. 18
Maximum service temperature<=650 CSource-listed maximum service temperature for the RT-AT-H product grade.English aerogel product catalogue | p. 18
Listed operating range-200 C to 125 CSource-listed range for the RT-AT-L low-temperature blanket grade.English aerogel product catalogue | p. 19
Thermal conductivity map0.0125 W/(m.K) at -159 C; 0.0146 W/(m.K) at 0 C; 0.015 W/(m.K) at 10 CSource-listed temperature points for the RT-AT-L product grade.English aerogel product catalogue | p. 19

How to use this information

Keep the grade, temperature or substrate, sample configuration, test method and system build-up aligned with the source record. Material values should not be averaged across grades or converted into a project outcome without the complete evaluation method.

Selection limits

  • Use for material screening only; confirm the full test method, sample configuration and project conditions before design use.
  • This is not a project fire-resistance rating or a substitute for system qualification.
  • Assess moisture ingress, joints, mechanical protection and the full operating envelope for each cryogenic system.
  • Do not interpolate a project design value without reviewing the relevant material grade and test method.

Next technical step

For a project-specific review, provide the operating temperature range, substrate or equipment geometry, required thickness, exposure conditions and applicable standard. Cowin Materials can then identify the relevant product documentation and evaluation path.

Data scope: Values above are tied to the cited source file and locator. Confirm complete test conditions and actual service requirements before specification or installation.

Evidence record

Evidence source
Internal technical source file: English aerogel product catalogue
Source locator
p. 18; p. 19
Publication scope
Source-recorded technical data with stated conditions and limits; not a project qualification or certificate.
Published by Cowin Materials
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