High purity opaque quartz glass
1 Scope
This document specifies the grading, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of high purity opaque quartz glass.
It is applicable to high purity opaque quartz glass materials with thermal insulation effects and used in semiconductor, photovoltaic and other fields.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods.
GB/T 3284 Analytical method of the chemical composition in the quartz glass
GB/T 5432 Test method for density of glass by buoyancy
GB/T 10701-2008 Test methods for thermal stability of silica glass
GB/T 22588 Determination of thermal diffusivity or thermal conductivity by the flash method
JC/T 2205 Terminology of quartz glass
3 Terms and definitions
For the purposes of this document, the terms and definitions given in JC/T 2205 apply.
4 Grading
Semi-conductor and photovoltaic quartz glasses may be divided according to the appearance quality and impurity element content.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Grading
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
