This standard specifies the methods for testing glass surface stress and edge stress. The surface stress test method is applicable to tempered glass and semi-tempered glass made of float glass. Chemically tempered glass can refer to this method; the edge stress test method is applicable to tempered glass, semi-tempered glass and annealed glass. This test method is a non-destructive measurement test method.
GB/T 18144-2000 history
2008GB/T 18144-2008 Test method for measurement of stress in glass
2000GB/T 18144-2000 Test method for measurement of stress in glass