1,material:Trichloroethylene,Hydrofluoric acid 2, application: air condition 3, aerosol,flame retardan,blowing agent 1,1,1,2-tetrafluoroethane(R134a),is used as refrigerant ... . It can aslo be used as aerosol,flame retardan,and blowing agent in pharmaceutical,argo-chemical,cosmestics and cleaning sectors.Packing: non ...