GB/T 42223-2022 in English
VALIDTextiles—Tests for colour fastness—Colour fastness to rubbing—Gakushin test method
- Issued on:2022-12-30
- Implemented on:2023-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$204.00
《GB/T 42223-2022纺织品 色牢度试验 耐摩擦色牢度 Gakushin法》由TC209（全国纺织品标准化技术委员会）归口，TC209SC1（全国纺织品标准化技术委员会基础标准分会）执行，主管部门为中国纺织工业联合会。
Introduction
1. Background and significance of standard formulation
GB/T42223-2022 standard is modified based on ISO105-X19:2020 "Textiles - Tests for colour fastness - Colour fastness to rubbing (Gakushin test method)", and is mainly adapted to the needs and technical conditions of my country's textile industry. The formulation of this standard fills the gap in the field of colour fastness to rubbing testing in China and provides a scientific basis for the quality control of textiles.
2. Comparison of standard frameworks
| Standard items | GB/T42223-2022 | ISO105-X19:2020 | Difference description |
|---|---|---|---|
| Normative reference documents | Adopt domestic corresponding standards, such as GB/T251, GB/T6151, etc. | Citing ISO related standards | Adapt to my country's technical conditions |
| Test method | Gakushin method, suitable for dry and wet friction test | X19 part of the color fastness to rubbing method | Adjusted equipment parameters and material requirements |
| Assessment method | Gray card or colorimeter | Instrument rating method | Increased applicability |
3. Analysis of technological evolution
From the perspective of technological development, the GB/T42223-2022 standard reflects the following progress:
- Equipment localization: The design and parameters of the tester are more in line with the use environment of domestic laboratories.
- Material standardization: The requirements for key consumables such as friction cloth and fine sandpaper are unified, which improves the consistency of test results.
- Diversification of evaluation methods: Instrument rating is introduced to meet the needs of different laboratories.
4. Implementation suggestions and precautions
Implementation suggestions:
- The laboratory should be equipped with a friction color fastness tester that meets the standard requirements.
- Operators must undergo professional training to ensure the standardization of the test process.
- It is recommended to calibrate the equipment regularly, especially the pressure and movement parameters of the friction head.
Precautions:
- When preparing the sample, pay attention to the influence of fiber type and fabric structure.
- The humidity adjustment process should be strictly carried out in accordance with the standard to avoid the impact of environmental factors on the test results.
- For samples with special materials or high precision requirements, it is recommended to increase the number of repeated tests.
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