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See Chinese contents: GB/T 30020-2023 GB/T 30020-2023: Test method for determing defects of glass -- Photoelastic scanning method
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.
