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ISO/NP 21473

Dense and insulating shaped refractory products — Determination of the splitting tensile strength at room temperature

General information

10.20     Mar 15, 2026

ISO

ISO/TC 33

International Standard

Scope

This document specifies a method of determination of the splitting tensile strength of dense and insulating shaped refractory products.

NOTE This test is also referred to in the literature as diametral tensile strength test, diametral compression test or Brazilian test.

Life cycle

NOW

PROJECT
ISO/NP 21473
10.20 New project ballot initiated
Mar 15, 2026