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Whether paints are considered hazardous depends on their composition and characteristics. Many paint products contain flammable solvents such as alcohols, ketones, esters, and other organic solvents that may release flammable gases when they evaporate, and therefore may be classified as hazardous. Below are some common types of paints and their possible hazards:

 1. Flammable liquid paints: Contain a high percentage of flammable solvents, such as certain oil-based paints and solvent-based paints. 

 Special attention needs to be paid to fire prevention, ventilation and keeping away from heat sources during storage and transportation. 

 2. Water-based paints: mainly composed of water and a small amount of organic solvents, usually non-flammable or with low flammability. 

 Compared with solvent-based paints, water-based paints are less dangerous. 

 3. High solids paints: Contain a high proportion of solid components and fewer solvents, and may have a lower flammability. 

 4. Powder Coatings: Completely solvent-free, consisting of solid powder, not flammable, but there may be a risk of dust explosion. 

 5. Special purpose paints: e.g. fireproof paints, anti-corrosive paints, etc. They may contain special additives, the hazard of which needs to be assessed on the basis of the specific composition. 

The hazard of paints may also be related to their volatile organic compound (VOC) content during use. Paints with a high VOC content release more harmful gases during drying, which may have an impact on human health and the environment.

Paint export by sea needs to follow a series of requirements and processes, including the following aspects: 

1. Product legality: to ensure that the paint products comply with relevant state laws and regulations. 

2. Labeling and Packaging: The outer packaging needs to be labeled with the product name, model, quantity, date of production 

and other information, and comply with international requirements to avoid the goods being refused to import. 

3. Chemical composition and environmental standards: Paint needs to meet the chemical composition and specification standards 

of different countries, as well as environmental standards. 

4. Specification and Packaging: The specification and packaging of the paint must be designed in accordance with national export 

regulations to avoid cargo damage and trade disputes. 

 5. Marine export process: including order confirmation, production and processing, quality inspection, packaging and labeling, 

marine export and other steps. 

 6.Dangerous Goods Classification: Paint belongs to Class 3 flammable liquid, which is divided into different packing categories 

according to the flash point. 

 7. Booking information: It is necessary to provide the English version of MSDS, scanned documents of dangerous goods or 

classification certificate, power of attorney and other information. 

 8. Customs declaration information: It is necessary to provide customs declaration power of attorney, customs declaration, packing list,

 invoice, declaration elements and so on. 

 9. Special precautions: Paint, as a flammable liquid, is not resistant to high temperature, and some shipping companies may refuse to 

accept paint products in hot weather, which needs to be confirmed in advance. 

 10. Paint type: There are many kinds of paints, the corresponding UN number of different products may be different, and the general 

packing category is Ⅲ.