three divisions
Class 4 has three divisions: flammable solids, substances liable to spontaneous combustion, and water reactive substances.
What is a division 1.1 material?
Division 1.1 consists of explosives that have a mass explosion hazard. Examples are black powder, nitroglycerine (desensitized), dynamite, most types of torpedoes, and mercury fulminate.
What are three divisions of Class 4?
Hazard Class 4 consists of three divisions: Division 4.1, Flammable Solids.
(1) Division 1.1 consists of explosives that have a mass explosion hazard. A mass explosion is one which affects almost the entire load instantaneously. (2) Division 1.2 consists of explosives that have a projection hazard but not a mass explosion hazard.
What is a Class 4 dangerous good?
Class 4 dangerous goods include flammable solids, substances liable to spontaneous combustion and substances which, in contact with water, emit flammable gases.
What are Class 4 weapons and lower?
Class IV Weapons – The last and highest class of Weapons, sometimes referred to as Class 4, covers what the NFA calls, Destructive Devices or DD’s. Destructive Devices are bombs, grenades, nuclear weapons, flame throwers, dynamite, rocket launchers, tanks, Javelin Missile Launcher, Harrier Jets, and so on and so forth.
What are the divisions of Class 4 explosives?
§ 173.124 Class 4, Divisions 4.1, 4.2 and 4.3 – Definitions. (a)Division 4.1 (Flammable Solid). For the purposes of this subchapter, flammable solid (Division 4.1) means any of the following four types of materials: (1) Desensitized explosives that -.
What are the divisions for DOT Class 4?
Class 4 division 1 (more properly called Division 4.1) is for flammable solids. What is a DOT Class 2 Division 1 hazard? In the DOT system for classifying hazardous materials in transportation, Class 2, Division 1 (more properly called Division 2.1) is for flammable gases, usually compressed flammable gases.
What makes a flammable solid a Division 4?
For the purposes of this subchapter, flammable solid (Division 4.1) means any of the following four types of materials: (1) Desensitized explosives that – (i) When dry are Explosives of Class 1 other than those of compatibility group A, which are wetted with sufficient water, alcohol, or plasticizer to suppress explosive properties; and
When is a material classed as Division 4.2?
A material of this type which exhibits spontaneous ignition or if the temperature of the sample exceeds 200 °C (392 °F) during the 24-hour test period when tested in accordance with UN Manual of Tests and Criteria (IBR; see § 171.7 of this subchapter), is classed as a Division 4.2 material. (c) Division 4.3 (Dangerous when wet material).
