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Hydrated calcium chloride solid can be used as a phase change energy storage material. For example, since the melting point of calcium chloride hexahydrate is 30 ℃ and the Enthalpy of fusion (i.e. the heat absorbed during the transformation of substances from solid phase to liquid phase at the same temperature) reaches 190 kJ/mol, it can be used as a medium low temperature for industrial waste heat recovery and solar radiation heat absorption and utilization. However, like all inorganic hydrated salt phase change materials, it has a serious problem of supercooling (its supercooling degree reaches 20 ° C), which needs to be overcome by adding nucleating agent.
Calcium chloride plays a role in accelerating the initial setting in concrete, but chloride ions can cause corrosion of steel bars, so calcium chloride cannot be used in reinforced concrete. Anhydrous calcium chloride can provide a certain degree of moisture to concrete due to its hygroscopicity.
Calcium chloride is also an additive in plastics and fire extinguishers. It serves as a filter aid in wastewater treatment and an additive in blast furnaces to control the aggregation and adhesion of raw materials, thereby avoiding furnace burden settlement. It acts as a diluent in fabric softeners.
The dissolution and exothermic properties of calcium chloride make it suitable for self heating cans and heating pads.
In the petroleum industry, calcium chloride is used to increase the density of solid-free brine and can also be added to the aqueous phase of emulsified drilling fluid to suppress the expansion of clay. As a flux, it plays a role in reducing the melting point in the process of electrolytic melting sodium chloride to produce metallic sodium using the David method. When making ceramics, calcium chloride is used as one of the material components, which suspends clay particles in the solution, making it easier to use clay particles during grouting.
| Calcium Chloride | ||||
| Index Item | Index | |||
| Calcium Chloride Dihydrate | Calcium Chloride Solution | |||
| Type I | Type II | |||
| Calcium Chloride (CaCl2) Content,w/% ≥ | 77.0 | 74.0 | 12-40 | |
| Alkalinity [Calculated By Ca (OH)2],w/% ≤ | 0.20 | 0.20 | ||
| Total Alkali Metal Chloride (Calculated By NaCl),w/% ≤ | 5.0 | 11.0 | ||
| Water Insolubles,w/% ≤ | 0.15 | —— | ||
| Ferric(Fe),w/% ≤ | 0.006 | —— | ||
| pH ≤ | 7.5-11.0 | —— | ||
| Total Magnesium (Calculated By MgCl2),w/% ≤ | 0.5 | —— | ||
| Sulfate (Calculated By CaSO4),w/% ≤ | 0.05 | —— | ||
| Production and processing can be organized according to customer needs. | ||||
Refrigerant
Purification agents
Road maintenance agents
Desiccants
Latex coagulant
Metallurgical industry
Pharmaceutical fluorescent powder and pharmaceutical intermediate industry
1. Calcium chloride dihydrate is packaged in double layers. The inner packaging bag is a polyethylene film bag, and the outer packaging is a composite plastic woven bag. Each bag has a net content of 25 kg, 50 kg or tons. When users have special requirements for packaging, supply and demand can be negotiated. Calcium chloride solution is packaged in plastic drums with a net weight of 200 kg per drum. Or determine the packaging according to user requirements.
2. Packaging of calcium chloride dihydrate with inner bag tied; The outer bag should be securely sewn together. The stitching is neat, the needle spacing is uniform, and there is no leakage or skipping. The packaging barrel of calcium chloride solution should be tightly covered internally and tightly covered externally.
3. When transporting calcium chloride solution using a dedicated tank cars,and should be tightly covered and securely clamped.
4. Calcium chloride should be covered during transportation to prevent exposure to sunlight, rain, and moisture. It should be stored in a dry warehouse to prevent rain, moisture, and sunlight. The storage period of this product is one year.
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Contacts: Miss. Janice
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Email address: janice@lanyaochem.com