... fire-extinguisher agent boast of the characteristics of high performance, little pollution , sound insulation and efficiency ... nonrenewable resources, like electrical ,communication,metallurgy, electric power, petroleum, chemical,culture heritage and finance statisticApplication: ... potentials for atmosphere.Its boiling point is -1.4°C,freezing point is -93.6°C, ... residue % ≤0.01 ≤0.01 high quality R236fa