Product: Calcium Hydroxide
Nicknames: Slaked Lime, Hydrated Lime
Main Component: Ca(OH)2, Molecular Weight 74.8
Production Method: Calcium Hydroxide by Changshu Hongyu Calcium Co., Ltd.
Obtained through a meticulous process involving calcium oxide and water, our Calcium Hydroxide undergoes drying, sifting, and windpicking to ensure top quality.
Physical and Chemical Properties:
- Strongly alkaline
- Gradually absorbs carbon dioxide, converting to calcium carbonate
- Slightly soluble in water, soluble in acid
- Acts as a potent alkaline flocculant for neutralizing acidic wastewater
- Density of 22.4g/cm3
- Clarified aqueous solution is colorless, odorless, alkaline, with a pH of 12.4
- Screening rate of 125 mesh ≥90%
- Efficiently absorbs SO2 in boiler flue gas to meet environmental standards
- Recognized as the most effective alkaline neutralizer for wastewater treatment
Trust Changshu Hongyu Calcium Co., Ltd. for the highest quality Calcium Hydroxide for your industrial needs.




Basic Uses of Calcium Hydroxide Products:
- Environmentally friendly neutralizer for acid wastewater, sewage treatment, and boiler flue gas desulfurization.
- Chemical raw materials, additives, fillers for industries like leather, metallurgy, coatings, and petroleum lubricants.
- Stone cutting aid, soil stabilizer, concrete tempering agent, chemical reagent, and more.
Applications:
Our calcium hydroxide from Changshu Hongyu Calcium Co., Ltd. is versatile and can be used effectively in various applications:
- For dry method application, use simple equipment but expect slower reactions.
- For wet method application, create a 5%-10% calcium hydroxide lime emulsion for faster reactions by stirring for 5-20 minutes.
Handling Abnormal Situations:
- Adjust dosage promptly for significant influent pH value changes.
- Dilute the calcium hydroxide emulsion after adding for easier mixing.
- Remove sludge produced during neutralization promptly.

Changshu Hongyu Calcium Co., Ltd. offers high-quality Calcium Hydroxide (Ca(OH)2) with 90% purity. Our environmentally friendly product is ideal for various applications, including lubricating oil and general purposes. Contact us for competitive prices!


Changshu Hongyu Calcium Co., Ltd.
Product: Calcium Hydroxide
Package:
Small bag: 25kg/bag, 36 bags/jumbo package, 18 metric tons/20FT container
Jumbo package: 900kg/jumbo package/pallet, 18 metric tons/20FT container
Transport Precautions:
The packaging is secure for shipping, and loading is done with caution. Avoid transporting calcium hydroxide on rainy days.
Storage Precautions:
Store in a cool, ventilated warehouse with humidity not exceeding 85%. The packaging is sealed to prevent moisture absorption. Avoid contacting with water, kept in dry, cool, draught-free atmosphere.
Outer Packaging:
Changshu Hongyu Calcium Co., Ltd. offers 90% Calcium Hydroxide in 900 kg/jumbo bag and 25 kg woven bags. Customized tank truck transport available.
Shipping:


Welcome to Changshu Hongyu Calcium Co., Ltd.
Explore our premium calcium products essential for various industries:
- ≥90% grade calcium Hydroxide
- ≥95% grade calcium hydroxide
- 98%-99.5% grade calcium hydroxide (a pioneering product in Chinese Mainland)
Our products find applications in petroleum additives, lubricants, petrochemicals, environmental protection, sewage treatment, and food desiccants. Trusted by major petrochemical enterprises in China, our products are renowned for their cost-effectiveness, high purity, and superior efficiency.
Equipped with three processing lines and a daily capacity exceeding 100 tons, we guarantee top-notch quality through rigorous scientific testing and stringent management practices. Each grade is accompanied by COA, MSDS, TDS, and SGS files for transparency and reliability.
Rely on Changshu Hongyu Calcium Co., Ltd. for industry-standard calcium products that cater to your requirements.
Q&A
Q: Are you a trading company or a factory?
A: We are factory.
Q: What is your main product?
A:Calcium oxide, calcium hydroxide
Q: How do you control the quality?
A: Our factory is equipped with professional technicians to control quality, out inspectors take sample for testing every 2 hours to ensure the quality of our production. We also accept BV, SGS or any other Third-party inspection.
Q: How long time you can make the shipping?
A: We can make the shipping within 7 days after confirming the order.
Q: Where is your factory located? How can I visit the factory?
A: Our factory located in changshu jiangsu .Welcome to visit at any time, we can pick up the nearby machine factory.