the type that spray foam
yes
Class A
The different types of fire extinguishers are listed in classes according to which is appropriate for what type of fire. Below is an article which goes into the different classes of fire extinguishers.
Extinguishers with a Class C rating (C can be used on Currents)
Class A
to put out fire In other words, because there are different types of fires there are different types of fire extinguishers. The label will tell you what type of fire it is designed for.
Class K extinguishers are used on Class K fires.
Fire extinguishers commonly contain water under pressure, compressed carbon dioxide, foam, or specialized dry chemicals, depending on the type of fire they are designed to put out.
why not haylon extinguishers
There are different types of fire extinguishers. For a boat it would be best to get a portable type like those designed for use in automobiles.
Class C is never seen alone, as it is not a fuel type. Rather it is a complicating factor in fighting a fire of another type, as it means that the fire contains energized electrical components. A fire extinguisher marked with class C simply means that the extinguishing agent will not carry electricity and shock you or others in the area. Dry chemical extinguishers are available in ABC and BC flavors. Carbon dioxide extinguishers are rated BC. Water mist extinguishers are rated AC, but are rather rare outside of hospitals.
Yes, K type fire extinguishers are designed for cooking fats and oils.
Class A