1 Scope
This standard specifies the definitions concerned with glass surface stress and edge stress testing and the testing methods. The surface stress testing method in this standard is applicable to tempered glass and heat strengthened glass manufactured through float glass method; the edge stress testing method is applicable to tempered glass, heat strengthened glass, and laminated glass & heat bent glass for front air window in automobile.
Surface stress testing method in this standard may be referred to for the purpose of chemically tempered glass.
The testing methods are nondestructive measurement.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents. For undated references, the latest edition of the normative documents referred to apply.
JC/T 632 Road Vehicles - Safety Glazing Materials - Terminology
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Testing Methods
