Dichloromethane

used for organic synthesis,

used as cellulose acetate film, cellulose triacetate spinning, petroleum dewaxing, aerosol

solvents in the production of antibiotics, vitamins, steroids,

the metal surface paint layer cleaning degreasing and stripping agent

used for grain fumigation and refrigeration of low-pressure refrigerators and air conditioners

used as an auxiliary blowing agent in the production of Polyether urethane foams and as a blowing agent for extruded polysulfone foams.