What is a Class 4 hazard?

Class 4 dangerous goods include flammable solids, substances liable to spontaneous combustion and substances which, in contact with water, emit flammable gases.

What is a Class 4 Division 4.1 hazardous material?

Subsets of class 4 are: 4.1 Flammable Solids are readily combustible, or may contribute to a fire through friction. These include: Flammable solids. Self reactive substances.

What are the 3 divisions of hazard class 4?

Hazard Class 4 consists of three divisions:

• Division 4.1, Flammable Solids.
• Division 4.2, Spontaneously Combustible.
• Division 4.3, Dangerous When Wet.

What is included in Class 4.1 flammable solids?

4.1 Flammable Solids: Solid substances that are easily ignited and readily combustible (nitrocellulose, magnesium, safety or strike-anywhere matches).

How many divisions are in a class 4?

Class 4 has three divisions: flammable solids, substances liable to spontaneous combustion, and water reactive substances.

What is a Class 4 explosive?

Class 4 – Flammable solids; Substances liable to spontaneous combustion; Substances which, on contact with water, emit flammable gases. Division 4.1 Flammable solids, self-reactive substances and solid desensitized explosives.

What is a Class 4 flammable solid?

What are Class 4: Flammable Solids? Any solid that readily begins a combustion process with the help of an igniter classifies as a. Class 4 Flammable Solid. Class 4 materials undergo combustion without outside changes to density or pressure.

What is a Class 4 flammable liquid?

Category 4 shall include liquids having flashpoints above 140 °F (60 °C) and at or below 199.4 °F (93 °C). When liquid with a flashpoint greater than 199.4 °F (93 °C) is heated for use to within 30 °F (16.7 °C) of its flashpoint, it shall be handled in accordance with the requirements for a Category 4 flammable liquid.