GB/T 26727-2022Recycling indium material (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

This document replaces GB/T 26727-2011 "Indium Waste". Compared with GB/T 26727-2011, except structural adjustment and editorial changes In addition, the main technical changes are as follows.

a) The scope of application has been changed (see Chapter 1, Chapter 1 of the 2011 edition);

b) Added terms and definitions (see Chapter 3);

c) Deleted Class VI and Class VII products (see Chapter 3 of the 2011 edition);

d) The groups in Table 1 have been deleted, and the classification requirements for Class III and Class IV products have been changed (see Chapter 4, Chapter 3 of the 2011 edition);

e) Requirements related to flammable, explosive and surface debris (4.2 and 4.3 of the 2011 edition) have been deleted.

1 Scope

This document specifies the classification, technical requirements, test methods, inspection rules, signs, packaging, transportation, storage and accompanying documents for recycled indium raw materials. parts and order form.

This document is applicable to the recovery, trade and utilization of recycled indium raw materials.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

4 Categories

Recovered indium raw materials are divided into five categories: pure indium materials (Class I), ITO target materials (Class II), indium-containing chemical and casting materials (Class III), indium alloy materials (Class IV), indium-containing semiconductor materials (class V). The classification of recycled indium raw materials is shown in Table 1.