Zinc powder belongs to explosive chemicals, CAS number: 7440-66-6.

Characteristic: Flammable when wet. Hazard code: GB 4.3 class 43014 port UN N0.1436; IMDGCODE 4373 page, Class 4.3. The self ignition point is 460 ℃. Explosion limit above 500 g/m3. Dust and air can form explosive mixtures, which are easily ignited by open flames and cause explosions. Moist dust is prone to self heating and combustion in the air. Contact with water, acid or alkali metal hydroxides can release flammable hydrogen gas. Reacting with oxidants and sulfur can cause fire or explosion.

Sales and purchases require the following qualifications:

1. Business License

2. Dangerous Chemicals Production License or Dangerous Chemicals Business License

3. Effective sales contract

4. Description of the type and quantity of hazardous chemicals to be purchased

5. Instructions for the purpose of purchasing hazardous chemicals

6. Identity certificate and contact information of the agent

Reminder: Zinc powder belongs to the controlled category of hazardous chemicals (easily explosive), and individuals are not allowed to illegally sell or purchase it. Companies or units need to obtain licenses issued by relevant departments and register and file according to legal regulations. Logistics and warehousing require logistics and warehousing companies with corresponding qualifications, and the use of express delivery transportation is strictly prohibited.