| HS CODE | 29037910 |
| UN NO. | 1078 |
| Danger Class | 2.2 |
| R141B | China Standard GB/T 18827-2002 | American Standard AHRI700-2016 | Sanmei Company Standard |
| Water, Maximum (ppm by weight) 水分的最大å…许质é‡æ¯”（百万分比） | ≤0.005%=50PPM | ≤0.010%=100PPM | ≤0.003%=30PPM |
| All Other Volatile Impurities, Maximum (% by volume or % by weight) 所有ä¸å‡æ°”的体积或质é‡ç™¾åˆ†æ¯” | — | ≤0.9%(by weight) | — |
| Halogenated Unsaturated Volatile Impurities （ppm by weight） å¤ä»£ä¸é¥±å’Œçƒ¯çƒƒï¼ˆæ°”体æ‚质） | — | ≤40PPM | — |
| High Boiling Residue, Maximum (% by volume or % by weight) 高沸点蒸å‘残留物的最大å…许质é‡æˆ–体积百分比 | ≤0.01% | ≤0.01% | ≤0.01% |
| Acidity, Maximum [ppm by weight (as HCl)] 酸度质é‡ç™¾ä¸‡åˆ†æ¯”（以HCI计算） | ≤0.0001%=1PPM | ≤0.0001%=1PPM | ≤0.0001%=1PPM |
| Chloride 3 氯化物å«é‡ï¼ˆCI试验） | ≤0.02% | No visible turbidity æ— å¯è§æ··æµŠ | ≤0.005% |
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