Foam Fundamentals - Firehouse
WEBApr 1, 2019 · There are many different types of foam for firefighting: Class A foam is used for combustibles, structural fires and wildfires; Class B foam is used for ignitable liquids, like...
Class A And B: What You Need To Know About Foam
WEBApr 1, 2010 · By increasing your knowledge about the two different types of foam, you’ll be confident in knowing when, where and how to use Class A and Class B foam to achieve fast, safe suppression for any type of fire situation.
Firefighting foam - Wikipedia
WEBClass B foams have two major subtypes. Synthetic foams are based on synthetic surfactants. They provide better flow and spreading over the surface of hydrocarbon-based liquids, for faster knockdown of flames. They have limited post-fire security and are toxic groundwater contaminants.
Types of Firefighting Foam Classes & Applications
WEBJul 8, 2024 · What is Class B Firefighting Foam Made of? Like Class A firefighting foam, Class B firefighting foam is typically made from a mixture of surfactants, wetting agents, and stabilisers and allows it to form a blanket over the fuel, preventing oxygen from reaching the fire.
WEBNFPA categorizes foam concentrates into three expan-sion ranges, as follows: 1. LOW EXPANSION – Expansion ratio up to 20:1. Foams designed for flammable liquids. Low ex-pansion foam has proven to be an effective means of controlling, extinguishing, and securing most flammable liquid (Class B) fires. Foam has also
The Basics Facts About Firefighting Foam - David's Fire
WEBFeb 2, 2022 · The types of foam used by our customers can be basically broken into two categories, Class A and Class B. These are the same classes as used in identifying fire extinguishers. Class A foam is used on common combustibles such as paper, wood, and textiles. Class B foam is used on flammable liquids. Class "A" Foam
WEBDevelop firewater runoff collection plans for the use of fluorinated Class B foam. • Follow applicable industry standards for design, installation, maintenance, and testing of foam systems. Obtain and follow manufacturers’ recommendations for foam …
Class B Firefighting Foam : Your Ultimate Guide - Medium
WEBAug 18, 2023 · Different Types of Class B Foam. There isn’t just one type of Class B foam — it comes in different “flavors” depending on the type of fire.
FIGHTING FLAMMABLE LIQUID FIRES: A PRIMER PART 1 ... - Fire Engineering
WEBJan 1, 1993 · The goal of this three-part series on Class B firefighting foams is to provide information for firefighters to safely, effectively, and efficiently use foams in flammableand...
The Right Foam for the Job - Fire Engineering
WEBMay 1, 2021 · CLASS B FOAM: THE NEGLECTED TOOL. When used for exposure protection, Class A foam sticks to the surface of the exposures, which allows it to absorb heat transfer. In addition, the white Class A...