... Calcium Chloride Dihydrate is a water soluble weighting agent for formulating solids-free completion and workover fluids and to ... flocculation. It is also used as accelerator in oil well cement slurries. It is used as Ice & Snow Melter, ... agent in petrochemicals, Drying Agent, Antifreeze for ready-mix concrete, Accelerator for cement, an antifreeze for coal storage and transportation, rubber additive, ...