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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21841-2019 |
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine（6PPD） 橡胶防老剂 N-1,3-二甲基丁基-N’-苯基对苯二胺（6PPD） |
China National Standards PPD |
 English PDF |
| GB/T 18049-2017 |
Ergonomics of the thermal environment—Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria 热环境的人类工效学 通过计算PMV和PPD指数与局部热舒适准则对热舒适进行分析测定与解释 |
China National Standards PPD |
English PDF |
| GB/T 21841-2008 |
Antioxidant 6PPD 防老剂6PPD |
China National Standards PPD |
English PDF |
| GB/T 20646-2006 |
Rubber compounding ingredients - p-Phenylenediamine(PPD) antioxidants - Test methods 橡胶配合剂 对苯二胺（PPD)防老剂试验方法 |
China National Standards PPD |
English PDF |
| GB/T 18049-2000 |
Moderate thermal environments--Determination of the PMV and PPD indices and specification of the conditions for thermal comfort 中等热环境 PMV和PPD指数的测定及热舒适条件的规定 |
China National Standards PPD |
English PDF |
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