Sodium chloride
Tendons are the structures that prevents valves from turning inside-out.
Burning Inside was created in 1995.
Burning Inside ended in 2007.
The gas becomes a liquid inside the extinguisher. When the extinguisher is operated, the liquid changes back to a gas when released.
Nytrogen gas
Burning from the Inside was created in 1983-07.
Combustion occur and emission
Because inside of the glass bulb lies a vacuum that prevents the bulb from burning out within a few seconds rather than several thousand hours.
In a 5 kg DCP cartridge type extinguisher .the co2 cartridge pressure becomes 7 kg/cm2.
An extinguisher rated for Class A, B and C fires would ordinarily be filled with a dry chemical (such as baking soda), and pressurized with a gas.
valve releases stufff inside. puts out fire.
I have read it some where that the inside pressure of Co2 in fire extinguisher is 55 to 58 kg/cm2 at 21 deg C. However the pressure varies as per the ambient temperature.