GB/T 4121-2014
Test method for stability to thermal darkening of quartz glass (English Version)

Standard No.

GB/T 4121-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4121-2014

Replace

GB/T 4121-1983

Scope

This standard specifies the principle, instruments and materials, sample requirements, test procedures, result expression and test report of quartz glass thermal discoloration test. This standard applies to the thermal discoloration test of transparent quartz glass tubes and other transparent quartz products.

GB/T 4121-2014 history

• 2014 GB/T 4121-2014 Test method for stability to thermal darkening of quartz glass
• 1983 GB/T 4121-1983 The test method for stability to thermal darkening of silica glass