GB/T 30020-2023: Test method for determining defects of glass - Photo elastic scanning method

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Scope

This document describes the testing principle, devices, steps, records and reports of determining
glass defects through the photoelastic scanning method.
This document is applicable to the testing of defects that cause stress concentration in
transparent glass and its products, and provides a reference for assessing the possible self-
explosion risk of tempered glass in service.

Basic Data

Standard ID	GB/T 30020-2023 (GB/T30020-2023)
Description (Translated English)	Test method for determining defects of glass - Photo elastic scanning method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q30
Classification of International Standard	81.040.10
Word Count Estimation	9,989
Date of Issue	2023-03-17
Date of Implementation	2023-10-01
Older Standard (superseded by this standard)	GB/T 30020-2013
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration