GB/T 33425-2016 in English
VALIDEvaluation method of anti-caking capacityof anti-caking agent for chemical product
- Issued on:2016-12-30
- Implemented on:2017-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
《GB/T 33425-2016化工产品中防结块剂抗结块性能的评价方法》由TC63（全国化学标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。
Introduction
1. Background of Standard Formulation
GB/T33425-2016 standard is formulated for the evaluation method of anti-caking performance of anti-caking agents in chemical products. With the rapid development of the chemical industry, anti-caking agents play an important role in the production process. Since some chemical products are easily affected by humidity and agglomerate, the product quality and storage stability are seriously affected. Therefore, scientific and unified evaluation of the performance of anti-caking agents is of great significance to ensure product quality.
2. Comparison of standard frameworks
| Standard dimensions | GB/T33425-2016 | Comparison standards |
|---|---|---|
| Scope of application | Evaluation of anti-caking performance of anti-caking agents in chemical products | No specific comparison standard |
| Testing indicators | Moisture absorption rate, angle of repose, anti-caking rate, cone penetration | Cone penetration determination is not covered in some industry standards |
| Testing methods | Laboratory testing, strict equipment requirements | Some companies use experience assessment |
3. Implementation suggestions
3.1 Importance of premixed sample preparation
In GB/T33425-2016, the preparation of premixed samples is a key step to ensure the accuracy of the test. It is recommended that companies strictly follow the standard requirements in actual operations, use a Y-type mixer for mixing, and control the temperature and humidity conditions to avoid test errors caused by improper sample preparation.
3.2 Selection of instruments and equipment
For the determination of moisture absorption and cone penetration, it is recommended to select high-precision instruments that meet the standard requirements. For example:
- Electric vacuum drying oven: temperature control accuracy to ±2℃
- Cone penetration tester: cone tip depth measurement error does not exceed 0.1mm
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