Packing Groups
| Class 5 Packing Groups | |||
|---|---|---|---|
| Group | Division | Phase | Details |
| Group I | 5.1 | Solid | Any material which, in either concentration tested, exhibits a mean burning time less than the mean burning time of a 3:2 potassium bromate/cellulose mixture. |
| Group II | 5.1 | Solid | Any material which, in either concentration tested, exhibits a mean burning time less than or equal to the mean burning time of a 2:3 potassium bromate/cellulose mixture and the criteria for Packing Group I are not met. |
| Group III | 5.1 | Solid | Any material which, in either concentration tested, exhibits a mean burning time less than or equal to the mean burning time of a 3:7 potassium bromate/cellulose mixture and the criteria for Packing Group I and II are not met. |
| Group I | 5.1 | Liquid |
|
| Group II | 5.1 | Liquid | Any material which exhibits a mean pressure rise time less than or equal to the pressure rise time of a 1:1 aqueous sodium chlorate solution(40 percent)/cellulose mixture and the criteria for Group I are not met. |
| Group III | 5.1 | Liquid | Any material which exhibits a mean pressure rise time less than or equal to the pressure rise time of a 1:1 nitric acid (65 percent)/cellulose mixture and the criteria for Packing Group I and II are not met. |
| Group II | 5.2 | All | All Division 5.2 materials are assigned to Packing Group II in Column 5 of the 49 CFR 172.101 Table. |
Read more about this topic: HAZMAT Class 5 Oxidizing Agents And Organic Peroxides
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