Zinc dust, classified as a Class 4.3 hazardous material with the identification number 43014, is a substance that emits flammable gases upon contact with water, and its UN number is UN1436. Additionally, zinc dust may also be categorized as a subsidiary Class 4.2 hazard, indicating its propensity to spontaneously combust.
Zinc dust exhibits strong reducibility and can release flammable hydrogen gas when in contact with water, acids, or alkali metal hydroxides. It can also ignite or explode when reacting with oxidizers or sulfur. Therefore, strict adherence to hazardous material management regulations is essential during the storage and transportation of zinc dust to ensure safety.
The following documents and precautions are required for the export of Class 4 hazardous zinc dust:
1. Export Customs Declaration Cargo List: This is a crucial document for customs declaration, detailing the production volume, quantity, quality, and other specifics of the exported zinc dust, including the origin and destination, factory address, and export time.
2. Transportation Contract: This contract outlines the terms of transport, freight payment methods, delivery times, and compensation for damage or loss, serving as one of the key contracts for maritime export.
3. Certificates: These include the Certificate of Origin, Commodity Inspection Report, Business License, and Dangerous Goods Packaging Certificate.
4. Hazardous Goods Declaration Form**: Since zinc dust is classified as a Class 4 hazardous material, a hazardous goods declaration is necessary. The form should detail the hazard level, packaging methods, transportation methods, and precautions.
5. Required Documentation for Exporting Class 4 Hazardous Zinc Dust:
- Customs Clearance Documents: Packing list, invoice, contract, declaration elements, inspection report (electronic account number), and customs declaration form.
- Maritime Declaration Documents: Dangerous Goods Packaging Certificate/Limited Quantity Certificate/Container Certificate, and MSDS in Chinese and English.
- Booking Documents: Booking request, MSDS in Chinese and English, DG Form, and Dangerous Goods Packaging Certificate.
Uses and Characteristics of Zinc Dust:
Zinc dust is a widely used metallic powder, primarily utilized in batteries, cosmetics, rubber products, anti-corrosion coatings, fireproof materials, and metallurgical products, among various industrial sectors. There is a significant demand for zinc dust in overseas markets, making maritime export an economical, cost-effective, and efficient method of export.
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