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ISO/PWI 21736

Refractories — Test methods for thermal shock resistance

General information

00.00     Sep 15, 2026

ISO

ISO/TC 33

International Standard

Scope

This document specifies the principle, equipment, test pieces, procedures, result expression and test report of test methods for thermal shock resistance of refractories.
Three test methods are included in this document. Each one is applicable to a different product type and their test results are not comparable.
The test method, the test temperature and the test condition are intended to be negotiated by corresponding parties.
This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 21736:2020

NOW

PROJECT
ISO/PWI 21736
00.00 Proposal for new project received
Sep 15, 2026