Market |
Use |
Reason for Use |
| Building maintenance |
Freeze proofing water in fire-pails |
Lowers freezing point |
| Chemical manufacture |
Production of calcium salts |
Source of calcium |
| Construction |
Cold-weather concrete additive
Soil solidification |
Accelerates set |
| Tractor tire weighting |
Solidifies loose, sandy soils when injected together with sodium silicate
Lowers freezing temperature of water put in tires to improve traction by increasing weight |
| Drying air and gases |
Direct drying compound |
Removes moisture by hygroscopicity
|
| Highway construction |
Shoulder and base stabilization |
Retains moisture which improves compaction of soil |
| Highway Maintenance |
Dust laying |
Moisture absorbed from the air prevents dust formation |
| Snow and ice control |
Melts ice |
| Salt enhancer |
Improves the melting ability of salt, especially at lower temperatures |
| Mining |
Dust proofing and freeze-resisting ore and coal |
Retains moisture; lowers freezing point of residual water
Thaws frozen ores or aggregates thereby making them easier to move by conveyor and easier to crush |
| Paper Manufacture |
Increases web strength of corrugating media |
Provides artificial water hardness that allows web to drain better |
| Improves dye retention |
Provides artificial water hardness that helps set paper dyes |
| Petroleum |
Additive to oil well completion fluids |
Increases density |
| Cementing finished oil wells |
Accelerates set of cement |
| Drilling mud additive |
Reduces shale swelling |
| Drying petroleum fractions |
Absorbs water |
| Portland cement manufacture |
Additive to kiln feed or fuel to volatize alkalies
|
Reduce alkali content of cement to eliminate expansive reactions in finished concrete |
| Railroad right-of-way maintenance |
Weed-killer additive
|
Prevents weed-killer from drying out and becoming flammable |
| Refrigeration |
Brine ingredient
|
Calcium chloride brines have low freezing points |
| Rubber manufacture |
Coagulating latex emulsions |
Coagulant
|
| Steel and pig iron manufacture |
Treatment of pelletized ore and blast furnace additive |
Elimination of alkalis that attack furnace refractory |
| Waste water treatment |
Removal of fluorides |
Precipitant |
| Treatment of oily wastes |
Breaks oil emulsions |
| Removal of silicates |
Densifies floc |
