GB/T 35773-2017 in English
VALIDAssessment for odor of packaging materials and products
- Issued on:2017-12-29
- Implemented on:2018-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 35773-2017包装材料及制品气味的评价》由TC374（全国质量监管重点产品检验方法标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
Analysis of the core content of the standard
| Elements | Technical requirements | Implementation points |
|---|---|---|
| Composition of the evaluation team | 1 team leader + 4-8 evaluators | Must pass GB/T 16291.1 training certification |
| Sample container | 1L metal can/wide-mouth glass bottle | Need to be sealed with aluminum foil to ensure airtightness |
| Odor classification | 0-4 intensity scale | 0.5-level subdivision description is allowed |
Key technical requirements
The standard clearly stipulates the selection criteria for basic instruments such as balance (accuracy 0.1g) and ruler (accuracy 1mm). When preparing samples, flexible materials need to be cut into 10cm×5cm specifications, and rigid materials are processed according to the mass volume ratio of 25g/L.
Analysis of implementation difficulties
Typical case: Composite packaging materials need to be sampled according to the surface area ratio of each component, and the ink printing area should be sampled first according to CY/T 127. During implementation, a food packaging company found that the odor intensity at the seam of PET/aluminum foil composite materials could reach level 3.5, which was reduced to level 1 after improving the adhesive formula.
Background of Standard Evolution
This standard establishes a quantitative evaluation system for packaging material odor for the first time, solving the problem of the original industry relying on subjective judgment. Compared with EU EN 1420-1:2016, it adds composite material sampling specifications and more detailed odor classification.
Implementation Suggestions
- Establish a standard odor comparison sample library to unify the evaluation scale
- The testing room must comply with the temperature and humidity requirements of GB/T 13868
- Abnormal data elimination rules: retest when the difference with the median is ≥1.5
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