Fine Ground Slaked Lime Powder
Fineness: 325 mesh (finer specifications customizable)
45μm Sieve Residue: ≤ 3%
Specific Surface Area: ≥ 18 m²/g
Whiteness: ≥ 88%
Moisture Content: ≤ 1.0%
Product Description
Our Fine ground slaked lime powder is prepared by multi-stage fine grinding and precision classification process, with fine and uniform particles, very few large particles, large specific surface area, and excellent reaction activity and dispersibility. Compared with ordinary hydrated lime, our Fine ground slaked lime powder has higher fineness and more uniform particles, disperses fast in liquid and organic systems without agglomeration, can significantly improve reaction efficiency and filling effect, and is a functional fine powder for fine chemical, high-end coatings, high-end building materials and other fields.
Through closed-loop grinding and air classification process, we strictly control the particle size distribution and sieve residue of Fine ground slaked lime powder to ensure it is fine and uniform without coarse particles. When used in filler scenarios, the product surface is smooth and delicate; when used in reaction scenarios, it has large contact area and fast reaction rate. With excellent fineness and uniformity, our Fine ground slaked lime powder can effectively improve the texture and performance of downstream products, meeting the needs of various fine application scenarios.
Specifications
|
Item |
Technical Index |
|
Calcium Hydroxide (Ca(OH)₂) Content |
≥ 92% |
|
Fineness |
325 mesh (finer specifications customizable) |
|
45μm Sieve Residue |
≤ 3% |
|
Specific Surface Area |
≥ 18 m²/g |
|
Whiteness |
≥ 88% |
|
Moisture Content |
≤ 1.0% |
|
Hydrochloric Acid Insoluble Matter |
≤ 1.0% |
Application Fields
● High-end coating filler: Added to interior wall coatings and decorative putty to improve paint film fineness and hiding power, and improve construction leveling property.
● Fine wastewater treatment: Used for high-precision pH adjustment and deep heavy metal removal, with fast and uniform reaction and high treatment accuracy.
● Fine organic synthesis: Used as acid scavenger in fine production, with good dispersibility and uniform reaction, reducing local over-alkali side reactions.
● High-end building materials: Used for high-grade putty and decorative mortar to improve product fineness and whiteness, and improve surface texture.

Quality Control
We have established special quality standards for fine ground products, focusing on particle size distribution, sieve residue and specific surface area indicators. Laser particle size analyzer is used for online detection during production to adjust grinding and classification parameters in real time; fineness testing is conducted batch by batch on finished products to ensure 45μm sieve residue meets the standard and eliminate large particles. Meanwhile, whiteness and impurity indicators are strictly controlled to avoid affecting the color and performance of downstream products. Each batch of products is accompanied by a particle size inspection report to ensure stable fineness up to standard.
Customization Capability
We can customize Fine ground slaked lime powder with different fineness and indicators according to customers' application needs. We can provide different fineness grades such as 325 mesh and 500 mesh, and also adjust whiteness, specific surface area and impurity control level to adapt to the personalized needs of different industries such as coatings, chemical industry and building materials. Whether it is small-batch customization with special formula or large-batch supply with stable indicators, we can meet customer needs.
Packaging and Transportation
In view of the characteristics of fine powder that is easy to absorb moisture and fly, we adopt special sealed packaging: 25kg film-coated woven bags lined with double-layer PE film, tightly sealed to prevent moisture and powder leakage; bulk procurement can choose sealed ton bags. Products are stored in a cool and dry warehouse to avoid moisture absorption and caking; handle with care during transportation to avoid packaging damage and powder leakage. The shelf life is 6 months under proper storage conditions, and product fineness and reaction activity can be maintained stably.
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