What is a Class 4 flammable solid?
Flammable solids are any materials in the solid phase of matter that can readily undergo combustion in the presence of a source of ignition under standard circumstances, i.e. without: Artificially changing variables such as pressure or density; or. Adding accelerants.
What are Class 4 flammable solids examples?
344.1 Definition
- Hazard Class 4 consists of three divisions:
- Examples of flammable solids include certain metallic hydrides, metallic sodium and potassium, oily fabrics, processed metals, matches, and nitrocellulose products.
- The following conditions apply:
What is Class 4 of the IMDG Code?
FLAMMABLE SOLIDS
SUBSTANCES LIABLE TO SPONTANEOUS COMBUSTION; SUBSTANCES WHICH, IN CONTACT WITH WATER, EMIT FLAMMABLE GASES.
What is a Class 4 placard?
Placards Class 4 – Flammable Solids in Stock – ULINE.ca.
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 are Class 4 flammable liquids?
Category 4: Includes liquids having flashpoints above 140°F (60°C) and at or below 199.4°F (93°C). When a Category 4 flammable liquid is heated for use to within 30°F (16.7°C) of its flashpoint, it must be handled as a Category 3 liquid with a flashpoint at or above 100°F (37.8°C) (1910.106(a)(19)(iv)).
What are hazardous material placards?
Hazmat placards are a key part of transporting hazardous materials safely. They offer a simple and effective way to communicate critical information about which materials are being transported and the risks that they pose.
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 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).
What are the different classes of hazardous materials?
The nine hazard classes are as follows:
- Class 1: Explosives.
- Class 2: Gases.
- Class 3: Flammable and Combustible Liquids.
- Class 4: Flammable Solids.
- Class 5: Oxidizing Substances, Organic Peroxides.
- Class 6: Toxic Substances and Infectious Substances.
- Class 7: Radioactive Materials.
- Class 8: Corrosives.
What classification of substances are liable for spontaneous combustions?
Class 4
Class 4 dangerous goods include flammable solids, substances liable to spontaneous combustion and substances which, in contact with water, emit flammable gases.