Fine Ground Mixed Alkali Powder
Fineness: 325 mesh (finer specifications customizable)
45μm Sieve Residue: ≤ 3%
Hydrochloric Acid Insoluble Matter: ≤ 1.0%
Moisture Content: ≤ 0.8%
Whiteness: ≥ 85%
Product Description
Our Fine Ground Mixed Alkali Powder is prepared by multi-stage ultra-fine grinding and precision classification process, combined with uniform compounding of multiple alkaline components. The product has fine and uniform particles, excellent dispersibility, no large particles and component segregation. Compared with ordinary mixed alkali, our Fine Ground Mixed Alkali Powder has more than 40% higher specific surface area, can disperse quickly and uniformly in liquid systems, avoid local over-alkali and uneven reaction, and is especially suitable for scenarios with high requirements on reaction uniformity such as precision pH adjustment and fine chemical synthesis.
To ensure double uniformity of components and particle size, we produce Fine Ground Mixed Alkali Powder by air mixing and closed-loop classification process, ensuring highly consistent alkalinity distribution and particle size distribution of each batch. The product has mild and controllable reaction, uniform alkalinity release, which can not only meet fast neutralization needs, but also maintain system pH stability, reduce side reactions and improve product yield. With fine and uniform quality, our Fine Ground Mixed Alkali Powder can effectively adapt to various fine production and high-precision treatment scenarios.
Specifications
|
Item |
Technical Index |
|
Available Calcium (Calculated As CaO) |
≥ 92% |
|
Fineness |
325 mesh (finer specifications customizable) |
|
45μm Sieve Residue |
≤ 3% |
|
Hydrochloric Acid Insoluble Matter |
≤ 1.0% |
|
Moisture Content |
≤ 0.8% |
|
Whiteness |
≥ 85% |
Application Fields
● Fine chemical synthesis: Used for acid scavenging and pH adjustment in organic synthesis, with uniform reaction, reducing local over-alkali side reactions and improving product yield.
● Precision water treatment: Used for high-precision online pH adjustment, with fast and uniform reaction, small pH fluctuation and stable effluent.
● High-end coating filler: Used as functional alkaline filler, with good dispersibility, improving coating fineness and surface smoothness.
● Pharmaceutical intermediates: Used for alkali precipitation and neutralization in pharmaceutical intermediate synthesis, with few impurities and high product purity.

Customization Capability
We can customize Fine Ground Mixed Alkali Powder with different indicators according to customers' application scenarios and process needs. We can adjust alkaline component ratio, total alkalinity, reaction rate and fineness to adapt to different reaction temperatures, residence times and product requirements; we can also optimize whiteness and impurity indicators for specific systems. Whether it is conventional formula for mass production or exclusive customization for specific processes, we can provide corresponding product solutions to help customers optimize reaction processes and improve product quality.
Quality Control
We have established special quality standards for fine ground mixed alkali, focusing on particle size distribution, component uniformity and impurity indicators. Laser particle size analyzer is used for online fineness detection during production, and automatic batching system is used to control component ratio to ensure stable quality between batches; finished products are tested batch by batch for key indicators such as available calcium, fineness and insoluble matter to eliminate unqualified products. Each batch of products is accompanied by composition and particle size inspection reports to ensure traceable and verifiable quality.
Packaging and Transportation
In view of the characteristics of fine powder that is easy to fly and absorb moisture, we adopt high-seal packaging solution: 25kg film-coated woven bags lined with double-layer PE film, tightly sealed to prevent powder leakage and moisture; bulk procurement can choose sealed ton bags. Products are stored in a cool and dry warehouse, away from acidic substances; handle with care during transportation to avoid packaging damage. The shelf life is 6 months under proper storage conditions, and product fineness and reaction activity can be maintained stably.
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