| UN Number |
| Author：yinhua Time：2012/12/26 Hits：21077 |
| International Civil Aviation Organization(ICAO) classifies hazardous materials as follows: |
| 1 |
Explosives |
| 2 |
Gases |
| 3 |
Flammable Liquids |
| 4 |
Flammable Solids; Substances Liable to Spontaneous Combustion; Substances which, incontact with Water, Emit Flammable Gases |
| 5 |
Oxidizing Substances,Organic Peroxides |
| 6 |
oxic,Infectious Substances |
| 7 |
Radioactive Materials |
| 8 |
Corrosive Substances |
| 9 |
Miscellaneous dangerous substances and articles | |
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