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Calcium Hydroxide for Calcium Stearate Production
Product Overview
This specialized calcium hydroxide for calcium stearate production (also known as hydrated lime or slaked lime, molecular formula: ca oh 2) is a refined industrial raw material tailor-made for calcium stearate synthesis processes. Unlike ordinary building-grade or environmental-grade calcium hydroxide, it is manufactured from high-purity raw materials through sophisticated production techniques, with strict control over impurity content and reaction activity.
It is fully compatible with mainstream calcium stearate production processes such as double decomposition reaction and melting reaction. This product helps improve the purity, whiteness and stability of calcium stearate products, reduce energy consumption and defective rate, making it the preferred core raw material for high-end calcium stearate manufacturing.
With four core properties: high purity, low impurities, high reaction activity, and uniform particle size, it eliminates the adverse effects of harmful impurities (ferric ions, heavy metals, hydrochloric acid insoluble substances) on calcium stearate quality at the source. It ensures high reaction conversion rate, excellent material dispersibility and consistent batch performance, fully meeting the stringent quality standards for calcium stearate in plastics, rubber, coatings, lubricants and other industries.
Technical Specifications
Test Item | Internal Control Standard | Specification Significance (for Calcium Stearate Production) |
Content | ≥95.0% | Ensures effective calcium content, boosts reaction conversion rate, reduces by-products and material waste |
Moisture Content | ≤1.0% | Prevents material caking and reaction runaway, avoids excessive moisture in finished calcium stearate |
Hydrochloric Acid Insoluble Substances | ≤0.5% | Reduces mechanical impurities, eliminates black spots and uneven particle defects in calcium stearate |
Iron (Fe) Content | ≤0.01% | Strictly controls ferric impurities, ensures qualified whiteness of calcium stearate, prevents yellowing and color difference |
Magnesium & Alkali Metal Oxides | ≤1.0% | Minimizes side reactions, improves the purity and thermal stability of calcium stearate |
Whiteness (Blue Light Reflectivity) | ≥90% | Meets high whiteness requirements for high-end calcium stearate, suitable for transparent and light-colored products |
Fineness (325-Mesh Pass Rate) | ≥98% | Uniform particle size, excellent dispersibility, ensures full mixing and complete reaction with stearic acid |
pH Value | 12.4-12.8 | Stable pH value, precisely adapts to double decomposition reaction system, ensures smooth and controllable reaction |
Core Product Advantages (Exclusive for Calcium Stearate Production)
1. Outstanding Reaction Activity, Doubled Production Efficiency
Produced via low-temperature calcination and multi-stage digestion, this product features a large specific surface area and moderate lattice defects, with strong affinity to stearic acid. Its reaction rate is over 30% higher than ordinary calcium hydroxide, greatly shortening synthesis cycles, reducing reactor energy consumption, increasing single-batch capacity and easing equipment load.
2. Ultra-Low Impurity Control, Upgraded Finished Product Quality
We strictly control iron, magnesium, heavy metals and mechanical impurities throughout production, eradicating quality issues such as color difference, impurity spots and poor solubility in calcium stearate. The resulting calcium stearate has high purity and low free acid content, fully complying with requirements for food-grade, cosmetic-grade and high-end plastic-grade calcium stearate, expanding application scenarios.
3. Precise Particle Size Control, Full-Coverage Material Dispersion
After ultra-fine grinding and classified screening, it achieves a 325-mesh pass rate exceeding 98%, with fine and uniform powder and no large particle agglomeration. It disperses rapidly in stearic acid melting systems or aqueous reaction systems, avoiding local over-reaction or incomplete reaction, improving product yield and reducing residue and waste generation.
4. High Adaptability, Compatible with Multiple Production Processes
This product is perfectly suitable for both double decomposition method (aqueous reaction) and melting method (high-temperature melting reaction) for calcium stearate production. The reaction process is stable without bumping or caking, and subsequent dehydration, drying and crushing processes are smoother, simplifying the production flow.
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: Are samples free? How long is delivery?
A: 5–10kg samples are free (freight negotiable). Regular stock delivered within 48 hours; customized orders in 7–15 days.
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.
