ISO 21901:2021

International Standard   Current Edition · Approved on 25 February 2021

Thermal insulation — Test method for thermal diffusivity — Periodic heat method

ISO 21901:2021 Files

English 16 Pages
Current Edition
OMR 50.44

ISO 21901:2021 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.

Best Sellers

GSO 150-2:2013
 
Gulf Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013 
Omani Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
OS GSO 2055-1:2015
GSO 2055-1:2015 
Omani Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
 
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements

Recently Published

ISO 8458-1:2026
 
International Standard
Steel wire for mechanical springs — Part 1: General requirements
ISO/TS 18718:2026
 
International Standard
Soil functions and related ecosystem services — Definitions, descriptions and conceptual framework
ISO 8458-2:2026
 
International Standard
Steel wire for mechanical springs — Part 2: Patented cold-drawn non-alloy steel wire
ISO 18998:2026
 
International Standard
Water reuse in urban areas — Guidelines for decentralized water reuse system — Management of a decentralized water reuse system