GB/T 18144-2008: Test method for measurement of stress in glass

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Scope

This standard specifies the definitions and methods related to the tests on surface stress
and edge stress of glass. In this standard, the method of surface stress test is suitable for
toughened glass and half-toughened glass made of float glass. The method of edge
stress test is fit for toughened glass, half-toughened glass, laminated glass of car’s front
windshield, and hot bending glass.
For chemical toughened glass, it may refer to the method of surface stress test in this
standard.
This test method is a nondestructive test method.

Basic Data

Standard ID	GB/T 18144-2008 (GB/T18144-2008)
Description (Translated English)	Test method for measurement of stress in glass
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q33
Classification of International Standard	81.040.20
Word Count Estimation	10,154
Date of Issue	2008-10-15
Date of Implementation	2009-06-01
Older Standard (superseded by this standard)	GB/T 18144-2000
Quoted Standard	JC/T 632
Adopted Standard	ASTM C1279-2005, NEQ; ASTM C1048-2004, NEQ; JIS R3222-2003, NEQ
Regulation (derived from)	National Standard Approval Announcement 2008 No.17 (Total No.130)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the glass surface stress, relevant definitions and test methods for glass edge stress testing. This standard test method is applicable to surface stress float glass manufacturing tempered glass, semi- tempered glass, edge stress test method applies to glass, semi- tempered glass, former car windscreens with laminated glass, bending glass. Chemically tempered glass can refer to the use of this standard in surface stress testing methods. This test method is non-destructive testing methods of measurement.