GB/T 21241-2022 in English
VALIDToilet bowl and ceramic tile cleansers
- Issued on:2022-12-30
- Implemented on:2023-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$68.00
《GB/T 21241-2022卫生洁具清洗剂》由TC272（全国表面活性剂和洗涤用品标准化技术委员会）归口，主管部门为中国轻工业联合会。
Introduction
In-depth interpretation of GB/T21241-2022 "Sanitary Ware Cleaning Agents" standard
1. Background and significance of standard revision
GB/T21241-2022 "Sanitary Ware Cleaning Agents" is a comprehensive revision of the 2007 version, mainly optimizing product technical requirements, test methods and standard framework. This standard applies to the production and testing of liquid, paste and gel sanitary ware cleaning agents.
2. Major changes in the standard revision
| Items | Requirements of the old version (GB/T21241-2007) | Requirements of the new version (GB/T21241-2022) |
|---|---|---|
| Basic requirements | Requirements for Class C products are not specified | Meet the requirements for Class C products in GB/T26396 |
| Sensory indicators | - Appearance: No obvious stratification and precipitation | - Appearance: Uniform body (uniform suspended particles are allowed) |
| Physical and chemical properties | - Total acidity: - | - Total acidity: ≥0.5% |
Table 1 compares the changes in physical and chemical properties and sensory indicators between the new and old versions in detail, highlighting the higher requirements of the new version of the standard for product safety and stability.
3. Interpretation of key test methods
Total acidity test:
- Use phenolphthalein indicator and titrate with sodium hydroxide standard titration solution until slightly reddish.
- Calculation formula: $w = (c × V × 0.0365) / m × 100%$
Tile corrosion test:
- Use GB/T3810.13-2016 standard method.
- Test temperature: (25±2)℃, corrosion time 4 hours.
4. Implementation suggestions
Enterprises should:
- Strictly screen and produce raw materials according to the standards.
- Establish a complete quality inspection system to ensure that products meet the requirements of the new standards.
- Strengthen employee training to improve the understanding and implementation of the new version of the standards.
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