Critical Safety Advisory: Transporting Paints, Coatings, and Aerosol Sprays via Sea and Air Freight

—— A Focus on Shipping Paints & Aerosols from China

As a leading international freight forwarder based in Shenzhen, China, we are writing to highlight crucial safety information regarding the transportation of paints, coatings, and aerosol spray products (commonly referred to as "spray paints") by sea and air. Recent incidents have underscored the significant hazards these everyday items can pose if not handled, declared, and shipped in full compliance with international dangerous goods regulations.

1. Understanding the Risks: Why Paints and Aerosols are Classified as Dangerous Goods

Paints, coatings, and aerosol sprays are not ordinary commodities. They are often formulated with highly flammable solvents, propellants, and resins. From a logistics and transportation perspective, these materials present two primary hazards:

• Flammability Risk: The solvents commonly used (e.g., methanol, methyl acetate, xylene) and the propellants in aerosols (e.g., dimethyl ether, naphtha) have low flash points. Their vapors can easily form explosive mixtures with air.
• Pressure Risk (Aerosols): Aerosol cans are pressurized containers. Heat exposure during transit (e.g., in a shipping container) or physical damage can increase internal pressure, potentially leading to rupture or explosion.

Recent industrial accidents, including fires during spray-painting operations, have been traced back to the ignition of these vapors. In the confined space of a cargo container, vessel hold, or aircraft unit load device (ULD), the consequences of such an ignition can be catastrophic.

2. Regulatory Classification for Transportation

For safe international transport, these products must be properly classified, packaged, and documented according to stringent global frameworks:

• International Maritime Dangerous Goods (IMDG) Code: Governs sea freight.
• International Air Transport Association (IATA) Dangerous Goods Regulations (DGR): Governs air freight.

Typical Classifications:

• Paints, Lacquers, Varnishes: Often fall under UN 1263, PAINT, Class 3 (Flammable Liquids), with varying packing groups (PG II or PG III) based on flash point.
• Aerosols: Classified as UN 1950, AEROSOLS, Class 2 (Gases). They are further categorized by their flammable and toxic hazards (e.g., 2.1 for flammable, 2.2 for non-flammable).

3. Shipper's Responsibility: Testing, Declaration, and Packaging

The ultimate responsibility for correct classification and declaration lies with the shipper (the exporter). As your freight forwarder, we rely on the accuracy of the information and documentation you provide.

• Pre-Shipment Testing: It is imperative to have your products tested by a qualified laboratory. Key tests include:
  • Closed Cup Flash Point Test: Determines if a liquid is flammable.
  • Heat of Combustion Test: For aerosols, determines flammability.
  • Ignition Distance Test: For aerosols, measures flame propagation.
• Accurate Documentation: You must provide a Safety Data Sheet (SDS) and a precise product description. Based on this and test results, a formal Dangerous Goods Declaration must be completed.
• Approved Packaging: Goods must be packed in UN-certified packaging that has passed rigorous design-type tests. This is non-negotiable for regulatory compliance and safety. Aerosols, for instance, require packaging that can safely vent pressure to prevent explosion.

4. Consequences of Non-Compliance

Failure to comply is not an option. The repercussions are severe:

• Immediate Rejection: Carriers (shipping lines & airlines) will refuse undeclared or misdeclared dangerous goods.
• Heavy Fines: Regulatory authorities impose significant penalties on shippers and forwarders.
• Civil & Criminal Liability: In the event of an incident, liability for damages, delays, and environmental cleanup can be extensive.
• Catastrophic Accidents: The most serious risk is a fire or explosion onboard, endangering lives, the vessel/aircraft, and other cargo.

5. How We Work Together for Safe Shipment

• Disclose Early: Inform us at the quotation stage if your shipment contains any paints, coatings, adhesives, or aerosols.
• Provide Documentation: Submit a complete SDS (Section 14 must detail transport information) for our review.
• We Guide You: Our dangerous goods specialists will advise on the correct UN number, proper shipping name, class, and packaging requirements.
• We Handle Logistics: We will book with carriers approved for dangerous goods, prepare the necessary transport documents, and ensure all regulatory steps are followed for a smooth, compliant shipment.

For any questions or to schedule a consultation regarding your shipment, please contact our Dangerous Goods Desk.