The classification of dangerous goods

In the export shipment, zinc sulfate, manganese sulfate monohydrate ,copper sulphate pentahydrate can be categorized as Nine Category. What is Nine Category? According to the national regulation of GB6944-86 " Dangerous goods and commodity list", dangerous goods are generally classified into nine categories:

Class1. Explosive

Class2.Compressed gases and liquefied gases

Class3.Flammable liquids

Class4.Flammable solids substances liable to spontaneous combustion and substances emitting flammable gases when wet

Class5. Oxidizing substances and organic peroxides

Class6.Poisons and infectious

Class7.Radioactive substances

Class8.Corrosives

Class9.Miscellaneous dangerous substances

Exported from Changsha, Shenzhen, Shanghai, zinc sulfate, manganese sulfate are considered as dangerous product of 9 Category. However, exported from Huangpu or Fangcheng port, sometimes they are considered as dangerous product of 9 Category, sometimes as common cargo.