产品说明******用途：***可用作特种制冷剂或混合制冷剂R407、R410等的混配原料。物理性质分子式CH2F2分子量52.02沸点-51.7℃临界温度78.52℃临界压力5.808Mpa***臭氧潜能值/ODP0***变暖系数值/GWP550质量指标气味无异臭纯度≥99.9%水份≤10PPm酸度≤0.1PPm蒸发残留物≤100PPm包装规格规格926L重复性钢瓶坦克净重（公斤）70015000)