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GB/T 32644-2016Test method for chemical durability of flat panel display glass substrates (English PDF)

平板显示器基板玻璃化学耐久性的试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2016

Implementation date

November 1, 2016

Scope

GB/T 32644-2016 is the English-translated version of 平板显示器基板玻璃化学耐久性的试验方法.

GB/T 32644-2016 is the Chinese standard "Test method for chemical durability of flat panel display glass substrates". Its scope clause reads: This standard specifies the test method for the durability of glass chemistries on flat panel displays.

This standard applies to flat panel display substrate glass chemical durability test. Its clauses include normative reference documents; terms and definitions; test method.

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Document preview — GB/T 32644-2016

National Standard of the People's Republic of China

ICS: 31.030
Classification: L 90

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 normative reference documents
3 terms and definitions
4 test method

1 Scope

This standard specifies the test method for the durability of glass chemistries on flat panel displays.

This standard applies to flat panel display substrate glass chemical durability test.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article

Pieces. For undated references, the latest edition (including all modifications) applies to this document.

Determination of transmittance and haze of transparent plastics GB/T 2410-2008

3 terms and definitions

The following terms and definitions apply to this document.

3.1 Weight loss method

The sample was immersed in a chemical reagent and the durability was calculated by comparing the differences in the weight of the sample before and after chemical etching.

3.2 Haze method

Flat panel display substrate glass by chemical reagents after etching to measure the degree of surface blur.

4 test method

4.1 Reagents and materials

There are no specific requirements for reagents and materials. As long as the test report gives the results of the test conditions, you can use any

Reagents and any combination of concentrations. Test conditions should be able to reflect the flat panel display manufacturers of the actual production process conditions, test conditions

Negotiable by both parties. The following chemical reagents and test conditions are recommended.

a) 10% HF, etched at 22 ° C for 20 min;

b) 5% HCl, etched at 95 & lt; 0 & gt; C for 24 h;

c) 10% NaOH, etched at 42 ° C for 10 min;

d) 5% NaOH, etched at 95 ° C for 6 h.

4.2 Test device

4.2.1 Reaction container

The reaction vessel shall meet the following requirements.

a) Material. polytetrafluoroethylene or other corrosion resistant materials;

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

Similar standards

GB/T 37082-2018|GB/T 32639-2016|GB/T 32646-2016|GB/T 32648-2016|GB/T 11387-2008|GB/T 16304-2008

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