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 47.9

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 21139-22:2026
 
International Standard
Permanence and durability of commercial prints — Part 22: Backlit display in indoor or shaded outdoor conditions — Light stability
ISO/IEC TS 27571:2026
 
International Standard
Information technology — Brain-computer interfaces — Data format for noninvasive brain information collection
ISO/IEC 14496-12:2026
 
International Standard
Information technology — Coding of audio-visual objects — Part 12: ISO base media file format
ISO 11951:2026
 
International Standard
Cold-reduced tinmill products — Blackplate