Hydrotropic solution of calcium chloride is the important cryogen for refrigerator and ice making . it is also a good anti - freeze agent and agglomerating agent in construction for concrete hardening and cold hardiness of sand mortar 氯化钙水溶液是冷冻机用和制冰用的重要致冷剂,基建上能加速混凝土的硬化和增加建筑砂浆的耐寒能力,是优良的建筑防冻剂凝结剂。