i mixed enough hardener with the resin to fix a ding in my surf board. how long will it take for it ti dry? also, should i use a hair dryer (it has a cool button on it!)thanks!
It depends what kind of fire extinguisher you're looking at, there are several different kinds of substances that could be used inside a fire extinguisher. Anything from simple gases like nitrogen or CO2 to more exotic chemicals like Halon
