GB/T 32644-2016 in English
VALIDTest method for chemical durability of flat panel display glass substrates
- Issued on:2016-04-25
- Implemented on:2016-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$88.00
| Standard No: | GB/T 32644-2016 |
| Document status: | VALID |
| Title in English: | Test method for chemical durability of flat panel display glass substrates |
| Title in Chinese: | 平板显示器基板玻璃化学耐久性的试验方法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2016-04-25 |
| Implemented on: | 2016-11-01 |
| Professional Classification: | GB-National Standard |
| Related Keywords: | test method overview method name definition applications advantages weight loss method immerse
flat panel display glass flat panel display substrate glass test method weight loss method |
| Related Topics: | flat panel display
Chemically strengthened flat glass How long does method validation take chemical trigger Haze Meter GBT32644 GB/T 32644-2016 Methodological robustness American flat glass How to express ribose methylation How to express chemical shifts |
《GB/T 32644-2016平板显示器基板玻璃化学耐久性的试验方法》由TC203（全国半导体设备和材料标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
GB/T 32644-2016 Standard Overview
This standard specifies the test methods for the chemical durability of flat panel display substrate glass, mainly involving the weight loss method and the haze method. The weight loss method evaluates the durability by measuring the mass change of the sample under the action of chemical reagents; while the haze method judges by measuring the degree of blur on the surface of the sample.
Test Method Overview
| Method Name | Definition | Applications | Advantages |
|---|---|---|---|
| Weight Loss Method | Immerse the sample in chemical reagents and calculate the durability by comparing the weight change of the sample before and after etching. | Applicable to quickly evaluate the chemical stability of substrate glass. | Quantitative results are intuitive |
| Haze method | Measures the degree of surface blur after the sample is etched by chemical reagents. | Applicable to evaluating the changes in optical properties of glass surfaces. | Easy to operate and intuitive results |
Explanation of professional terms and practical application cases
Weight loss method: Calculate the mass loss per unit area by weighing the mass change of the sample before and after the action of chemical reagents. The formula is: WA = (W2 - W1) / A Haze method: Use a haze meter (in accordance with GB/T 2410 standard) to measure the total transmittance Tt and diffuse transmittance Td. The haze value calculation formula is: H = (Tt / Td) × 100%
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