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
BHD 46.47

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
BH GSO 150-2:2015
GSO 150-2:2013 
Bahraini Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
GSO 9:2022
 
Gulf Technical Regulation
Labeling of prepackaged food stuffs
BH GSO 9:2023
GSO 9:2022 
Bahraini Technical Regulation
Labeling of prepackaged food stuffs

Recently Published

ISO/TS 23764:2026
 
International Standard
Methodology for achieving non-residential zero-energy buildings (ZEBs)
ISO 24269:2026
 
International Standard
Nonwovens — Performance requirements and test methods for filtration and safety — Materials for general use face coverings
IEC/TS 63086-2-5:2026
 
International Standard
Household and similar electrical air cleaning appliances — Methods for measuring the performance — Part 2-5: Particular requirements for determination of the performance change by loading with particles
ISO 247-1:2026
 
International Standard
Rubber — Determination of ash — Part 1: Combustion method