Chemical Information:
| Item Category | Specific Parameters/Descriptions |
| Basic Information |
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| Product Name | Calcium Hydroxide ( Industrial Grade ) |
| Chemical Formula | Ca(OH)₂ |
| Molecular Weight | 74.09 |
| Aliases | Slaked Lime, Hydrated Lime |
| CAS Number | 1305-62-0 |
| Appearance & Properties | White powdery solid, odorless, slightly soluble in water (solubility 1.65g/L at 20℃), aqueous solution is alkaline (pH≈12.4), liable to absorb moisture and deteriorate, reacts with carbon dioxide to form calcium carbonate |
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Product Packaging
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Own Mines
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Company Profile
Changshu Hongyu Calcium Co., Ltd. was founded in 1984. The company has always been focused on the research, development and production of three major series of products: calcium oxide, calcium hydroxide and calcium carbonate, with a daily output of 600 tons. After more than 40 years of professional accumulation, relying on advanced production technology and strict quality control, the company has accumulated rich production experience. Our products are of high purity and low impurity, and are widely used in various fields such as chemical industry, environmental protection, agriculture and construction. With high-quality products and a good market reputation, our products are not only favored in the domestic market, but also exported to well-known enterprises in Southeast Asia, the Middle East, Africa and other regions, becoming a trusted choice for many international customers.
We have our own mine in Hubei Province, and in 2024, we invested to establish a new company: Carlison New Materials (Jingshan) Co.,Ltd., which covers an area of 40,000 square meters. The new company specializes in the production of fine chemical, pharmaceutical and food-grade calcium oxide and calcium hydroxide products. Changshu Hongyu will continue to adhere to the concept of innovation, quality and service, constantly enhance its competitiveness, provide high-quality calcium compound products and services for more industries, and work with all sectors to create a better future.
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Certifications
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Data Sheet
| Ca oh 2 | ≥95% |
| Fineness 400Mesh | ≥99% |
| H₂O | ≤0.5% |
| HCL Insoluble | ≤0.1% |
| Fe | ≤0.05% |
| MgO | ≤1.0% |
| SiO₂ | ≤0.1% |
| CaCO₃ | ≤1.13% |
| Appearance | white powder |
The Applications of Calcium Hydroxide :
Calcium hydroxide has a wide range of uses, mainly focusing on industries such as industry, construction, environmental protection, and agriculture. Industrially, it is a key raw material for producing calcium hypochlorite (a raw material for bleaching powder), and is also used in papermaking bleaching and neutralizing acidic substances in wastewater treatment. In the construction field, it is often used as a component of lime milk and mortar for wall masonry and plastering. In agriculture, it can adjust soil pH and prevent plant diseases. Additionally, it is applied in scenarios such as food processing (e.g., sugar decolorization) and phosphorus removal in sewage treatment.
Production Workshops
Our Advantages
We have our own mine in Hubei Province, which endows us with the following advantages:
Stable Raw Material Supply: Owning our own mine ensures a stable supply of raw materials for calcified substances. This helps to avoid production interruptions caused by issues such as fluctuations in the raw material market and supply shortages. It guarantees the smooth progress of production plans and maintains a stable product output, enabling us to better meet customer needs and enhance customer satisfaction.
Controllable Raw Material Quality: Our company can directly manage and monitor the mining process of the mine, and strictly control the quality of raw materials. We are able to select appropriate ore grades and qualities according to production requirements, ensuring that the mined ore meets the high standards of our products. This provides a solid foundation for producing high-quality calcified substance products and helps to enhance the market competitiveness of our products.
Cost Advantage: Obtaining raw materials from our own mine reduces intermediate procurement links and lowers procurement costs. Moreover, in the long run, a stable raw material supply also enables our company to take the initiative in cost control and avoid the risk of cost increases due to fluctuations in raw material prices, thereby improving the company's economic benefits and profitability.
FAQ
Q: Are you a trading company or a factory?
A: We are a factory.
Q: What are your main products?
A: Calcium oxide, Calcium hydroxide, Light calcium carbonate, Heavy calcium carbonate，Nano calcium carbonate
Q: May I get a sample before placing order?
A: Yes, sample are available. Sample are for free and you just need to bear the freight.
Q: Where is your factory?
A: Our factory is located in Changshu, Jiangsu Province, welcome to visit us at any time.
Q: Is there any possible to use my appointed lable or package?
A: Yes, If need, we would like to use lable or package according to your requirement.
Q: How do I contact you to purchase a product?
A: Below is our contact information, please feel free to contact us at any time.
Contact ：Mr. zhou
Phone/Wechat:15250326132
Skype: lousong1030
Email: zhou@cshyghw.com
