Transporting hazardous materials requires strict adherence to safety protocols, especially when dealing with substances classified under Class 4.3—materials that are “Dangerous When Wet.” These substances can react violently with water, releasing flammable gases that pose significant risks during transportation and storage.
Understanding Class 4.3 Materials
Class 4.3 materials and substances are dangerous when wet. When these substances interact with water, they are liable to become spontaneously flammable or to give off flammable gas in dangerous quantities. Mixtures of these substances are easily ignited by all ordinary sources of ignition, such as sparks.
Importance of Proper Labelling and Placarding
To ensure safety and compliance with international regulations, it’s crucial to use appropriate labels and placards when handling Class 4.3 materials. These indicators serve as immediate warnings to handlers and emergency responders about the potential dangers associated with the substance and there are specific instructions for their size, colour and placement.
The class 4.3 Label for Packaging Specifications
The Class 4.3 labels are used for packages and containers.
The labels must be at least 100mm x 100mm, from edge to edge, and set at an angle of 45°. The label must show a dotted outer boundary line (unless it is being applied on a background of contrasting colour). The class number ‘4’ must be shown in the bottom corner and be in text at least 12mm high.
Specifications for the Class 9 Placard
The Class 4.3 placard is used for cargo transport units such as freight containers and road/rail tanker vehicles.
Class 4.3 placards must be at least 250mm x 250mm, from edge to edge, and set at an angle of 45°. The placard must show a dotted outer boundary line (unless it is being applied on a background of contrasting colour). The class number ‘4’ must be shown in the bottom corner and be in text at least 25mm high.
Hibiscus Plc’s Class 4.3 Labels and Placards
At Hibiscus Plc, we specialise in providing high-quality labels and placards that meet stringent safety standards. Our Class 4.3 “Dangerous When Wet” labels are available in various sizes to suit different needs:
- 100mm on rolls of 250: Ideal for frequent use and easy application.
- Single cut labels: Available in 100mm, 200mm, and 250mm sizes for flexible usage.
- 250mm Placard labels for transport units and vehicle marking
All our placards comply with IATA, IMDG, ADR/RID international legislation and are manufactured from materials that fully meet BS5609 standards.
Stay Safe and Compliant
Proper labelling is not just a regulatory requirement but a critical component of safety in the handling and transportation of hazardous materials. Ensure you’re equipped with the best labels and placards to manage Class 4.3 substances safely.
Note: Always consult the latest regulations and guidelines to ensure compliance when handling hazardous materials.
Buy the Class 4.3 Dangerous When Wet Package Labels and Transport Placards securely online.
