The industrial-grade calcium chloride dihydrate produced by Weifang Jiangchang Chemical meets the national standard HG/T 2327-04 and features exothermic reactions upon contact with water, a low freezing point, and strong hygroscopicity, making it suitable for applications such as snow melting and de-icing, as well as freeze protection in construction.

Calcium Chloride Dihydrate

Product Overview

The industrial-grade calcium chloride dihydrate produced by Weifang Jiangchang Chemical Co., Ltd. is a white crystalline product whose main component is calcium chloride dihydrate (CaCl₂·2H₂O). It strictly adheres to the national standard HG/T 2327-04. This product combines multiple functional characteristics, including exothermic reaction upon contact with water, low freezing point, and strong hygroscopicity. With its stable quality and excellent performance, it is widely used in numerous industrial fields such as winter snow-melting and de-icing, construction anti-freezing, industrial drying, and refrigeration, making it an efficient chemical raw material suitable for various applications.

Technical Principles and Performance Parameters

The core operating principle of calcium chloride dihydrate lies in its unique physicochemical properties: it is highly soluble in water and releases substantial heat during dissolution. This exothermic effect rapidly raises the temperature around ice and snow, accelerating their melting. Meanwhile, the aqueous solution of calcium chloride significantly lowers the freezing point of water, preventing melted water from refreezing even at low temperatures, thereby ensuring the safety of operational areas.

In terms of form, the product is available in three types—flakes, granules, and powder—meeting the national standard for superior grade products. Its key performance indicators are as follows: appearance is white crystals; taste is slightly bitter with no odor; relative density at 25°C is 2.15; extremely hygroscopic, readily deliquescent when exposed to air; aqueous solution is mildly alkaline, with solubility increasing markedly with temperature—100 grams of water can dissolve 59.5 grams of calcium chloride at 0°C, 74 grams at 20°C, and up to 159 grams at 100°C. The product is packaged in 25 kg or 50 kg plastic woven bags, facilitating transportation and warehouse management.

Core Product Advantages

1. High-Purity Quality Assurance: Complies with the national standard HG/T 2327-04 for superior grade products, featuring high purity and low impurity content, ensuring stable and reliable performance across various application scenarios and avoiding efficiency losses caused by quality fluctuations.

2. Exothermic Reaction for Efficient Ice Melting: Calcium chloride dihydrate’s exothermic property enables rapid heat generation during snow-melting and de-icing operations, directly accelerating the melting process. Compared to ordinary chloride salts, its snow-melting capability is more pronounced, significantly shortening operation time.

3. Low Freezing Point for Effective Cold-Weather Performance: The aqueous solution of calcium chloride dramatically lowers the freezing point of water, maintaining excellent snow-melting and anti-freezing performance even in extremely cold conditions, making it perfectly suited for winter road maintenance and outdoor construction projects in northern regions.

4. Multi-Form Supply for Flexible Adaptation: The company offers flake, granule, and powder forms to meet diverse application needs, while also supporting customized packaging specifications, providing customers with greater purchasing flexibility.

5. Industrial-Quality and Broad Applications: Adhering to national quality standards, the product delivers stable and controllable quality, covering road snow-melting, industrial dehydration, construction anti-freezing, refrigerant media, and other fields. Its versatility ensures significant overall cost-effectiveness.

Detailed Explanation of Core Functions

1. Snow and Ice Melting: By simultaneously lowering the freezing point and generating heat upon contact with water, it quickly melts accumulated snow on roads, airports, parking lots, and other areas, while preventing refreezing of melted water, thus ensuring safe travel and operations during winter.

2. Early Strength Enhancement and Anti-Freezing in Construction: Used as an early-strength agent and antifreeze in the construction industry, it accelerates concrete hardening, enhances the cold resistance of mortar, effectively addressing issues such as slow strength development and frost-induced cracking of mortar during winter construction, thereby safeguarding construction schedules and quality.

3. Gas Drying and Dehydration: Leveraging its exceptional hygroscopicity, it serves as a drying medium for various industrial gases, including nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide, and more. It can also function as a moisture-proof desiccant, effectively reducing gas dew points to meet industrial drying requirements.

4. Refrigerant Medium: Aqueous solutions of calcium chloride are vital refrigerants for chillers and ice-making equipment, delivering stable low-temperature cooling performance and providing efficient, reliable temperature control for the refrigeration industry.

5. Industrial Dehydration and Precipitation: In chemical production, it acts as a dehydrating agent for manufacturing alcohols, esters, ethers, and acrylic resins, and as a precipitant in pigment production, aiding in the efficient preparation of chemical products.

Target Customer Groups

The primary target customers for this product span multiple industries, including municipal and transportation authorities responsible for winter snow-melting and de-icing on urban roads, highways, and parking lots; airport management agencies ensuring runway and apron de-icing and aviation safety; property management companies handling winter anti-freezing maintenance in commercial and residential areas; construction firms using it as an early-strength agent for concrete and an antifreeze for mortar; oil drilling enterprises preparing drilling fluids and completion fluids; chemical manufacturers procuring it as an inorganic chemical raw material, desiccant, and dehydrating agent; refrigeration engineering companies utilizing it as a refrigerant for chillers and brine for ice-making; as well as textile dyeing, papermaking, rubber processing, and other industrial manufacturers meeting specific production process requirements.

Typical Application Scenarios

1. Winter Snow-Melting and De-icing: Mix calcium chloride dihydrate with industrial salt or magnesium chloride according to the required ratio, then spread it on roads, highways, parking lots, airports, golf courses, and other venues to swiftly remove accumulated snow. The resulting aqueous solution lowers the freezing point of water, effectively preventing secondary icing and ensuring safe winter traffic.

2. Construction Anti-Freezing and Concrete Work: During winter construction, add calcium chloride dihydrate to concrete or mortar to accelerate hardening, enhance mortar’s cold resistance, avoid construction quality issues caused by low temperatures, and ensure smooth progress of winter projects.

3. Industrial Drying and Gas Dehydration: Utilize its powerful hygroscopicity to dry various industrial gases, effectively removing moisture and meeting production requirements for gas purity. It can also be placed in warehouses, shipping containers, and other spaces as a moisture-proof desiccant, protecting goods from damp damage.

4. Oil Drilling and Chemical Production: In oil drilling operations, calcium chloride dihydrate is used to formulate drilling fluids and completion fluids, ensuring smooth drilling processes. In chemical production, it serves as a dehydrating agent in the manufacture of alcohols, esters, ethers, and other products, boosting production efficiency and product purity.

5. Refrigeration Industry and Cooling Media: With its stable low-temperature performance, aqueous solutions of calcium chloride have become core refrigerants for chillers and ice-making equipment, providing continuous, stable low-temperature environments for cold storage, food processing, chemical cooling, and other applications.

6. Industrial Additives and Precipitants: Used as a protective and refining agent in aluminum-magnesium metallurgy to improve metal smelting quality; as a latex coagulant in the rubber industry to aid in shaping rubber products; as an additive and deinking agent in papermaking to enhance paper production and recycling efficiency; and as a precipitant in pigment production to ensure pigment quality and stability.

Solving Core Industry Pain Points

1. Snow-Melting and De-icing Pain Points: Traditional de-icing agents suffer from poor melting efficiency and loss of effectiveness in cold weather. Calcium chloride dihydrate, with its low freezing point and exothermic properties, maintains high melting efficiency even in frigid conditions, while its corrosivity remains relatively controllable, minimizing damage to roads, bridges, and other infrastructure.

2. Winter Construction Pain Points: In cold winter conditions, concrete strength develops slowly, and mortar is prone to frost-induced cracking, severely impacting construction schedules and quality. As a construction anti-freeze and early-strength agent, this product effectively accelerates concrete hardening, enhances mortar’s cold resistance, and ensures smooth winter construction progress.

3. Industrial Drying Pain Points: Ordinary desiccants easily lose effectiveness after reaching saturation, with high replacement costs. Calcium chloride dihydrate boasts strong hygroscopicity and can be repeatedly regenerated, substantially reducing long-term drying costs in industrial settings.

4. Refrigerant Media Pain Points: Some refrigerants face high costs and poor stability. Aqueous solutions of calcium chloride, as mature and stable refrigerants, not only deliver reliable performance but also offer outstanding cost-effectiveness, meeting the long-term usage needs of the refrigeration industry.

Customer Core Value

1. Quality Assurance Value: Founded in 2015 with a registered capital of 16.5 million yuan, Weifang Jiangchang Chemical is located in the Weifang Binhai Economic and Technological Development Zone. Relying on the abundant saline resources of the National Marine Chemical Base, the company employs automated production processes and strictly adheres to the national standard HG/T 2327-04. The stable and reliable content of calcium chloride dihydrate ensures high-quality products for customers.

2. Application Effect Value: In winter road snow-melting scenarios, the freezing point of calcium chloride aqueous solutions can reach around -20°C, outperforming sodium chloride-based de-icers in melting speed and operational efficiency. In construction anti-freezing applications, it effectively accelerates concrete hardening and enhances mortar’s cold resistance, safeguarding winter construction quality. In industrial drying scenarios, its strong hygroscopicity efficiently lowers gas dew points, meeting diverse industrial gas-drying needs.

3. Service Assurance Value: The company’s products are sold across more than 30 provinces and municipalities nationwide, enjoying a solid reputation in the industry. Offering flake, granule, and powder forms, along with 25 kg and 50 kg plastic woven bag packaging, and customizable packaging options based on customer needs, the company comprehensively covers application demands in municipal, transportation, construction, petroleum, chemical, refrigeration, and other sectors.

4. Market Reputation Value: With extensive industry experience and positive customer feedback in snow-melting agents, calcium chloride, magnesium chloride, and related products, Weifang Jiangchang Chemical has earned widespread market recognition for its product quality and service capabilities. Choosing this product ensures stable, reliable supply chain support.

Frequently Asked Questions (FAQ)

Q1: What advantages does calcium chloride dihydrate have over ordinary de-icing agents?
A: This product features both exothermic reaction upon contact with water and a low freezing point, enabling faster snow-melting and effective performance even in cold conditions, while its corrosivity remains relatively controllable, reducing damage to infrastructure.
Q2: What forms are available for this product?
A: The company offers calcium chloride dihydrate in flake, granule, and powder forms, with packaging options of 25 kg and 50 kg plastic woven bags, and customizable packaging specifications to meet customer needs.
Q3: Does this product comply with national standards?
A: Yes, it strictly adheres to the national standard HG/T 2327-04, meeting superior-grade requirements, with stable and reliable quality that satisfies compliance needs for industrial production.
Q4: Can the hygroscopicity of calcium chloride dihydrate be reused?
A: Yes, after absorbing moisture, calcium chloride dihydrate can be regenerated through heating and drying, restoring its hygroscopic capacity for repeated use, effectively reducing usage costs.