OS GSO ISO 21901:2025
ISO 21901:2021
Omani Standard
Current Edition
·
Approved on
14 October 2025
Thermal insulation — Test method for thermal diffusivity — Periodic heat method
OS GSO ISO 21901:2025 Files
English
16 Pages
Current Edition
Reference Language
OMR
46.3
OS GSO ISO 21901:2025 Scope
This document specifies a periodic heat method for measurement of the thermal diffusivity of thermal insulation material in the shape of a flat plate.
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