Natural Calcium Carbonate Powder

Our Natural calcium carbonate powder is produced from natural high-quality limestone ore from our own mines, processed only through pure physical processes such as crushing, grinding and sieving. No chemical modifiers are added throughout the process, completely retaining the crystal structure and chemical inertness of natural minerals. As a highly versatile basic industrial raw material, our Natural calcium carbonate powder has the core advantages of stable calcium content, wide particle size coverage, stable chemical properties and outstanding cost performance. It can be directly used as filler, aggregate, flux or desulfurizer, widely adapting to the production needs of multiple industrial fields such as building materials, metallurgy, environmental protection and light industry.

Different from synthetic precipitated calcium carbonate, our Natural calcium carbonate powder is heavy calcium powder with higher density, stronger filling performance and better temperature resistance. It does not decompose under high-temperature processing scenarios and performs stably. We control ore quality from the mining stage, removing impurity interlayers and weathered layers to ensure small composition fluctuation and uniform quality of each batch. Meanwhile, relying on the cost advantage of large-scale production, we can provide customers with highly competitive supply prices on the premise of stable quality guarantee, making it the preferred basic filler for cost reduction and efficiency improvement in industrial production.

● Building materials industry: Used as filling aggregate for putty powder, dry-mixed mortar and artificial stone to improve material workability and formability and reduce raw material costs.

● Industrial filler field: Filled in ordinary plastics, rubber and asphalt products to increase product volume and improve dimensional stability and rigidity.

● Metallurgy and environmental protection: Used as a metallurgical flux to adjust slag alkalinity, and also for industrial flue gas desulfurization and acidic wastewater neutralization.

● Roadbed and engineering: Used for road water-stabilized layer and foundation cushion to improve base strength and stability, replacing part of river sand.

We own our own high-quality limestone mines with sufficient reserves and stable grade, which guarantees the quality and continuous supply capacity of Natural calcium carbonate powder from the source. The factory is equipped with multiple automated crushing and grinding production lines, with sufficient annual production capacity to stably guarantee continuous bulk supply for large and medium-sized industrial customers. Meanwhile, we have a professional ore laboratory and product testing center to conduct sampling inspection on the composition and particle size of raw ore and finished products throughout the process, ensuring stable indicators of each batch and compliance with industrial use standards.

We have established a full-link quality control system from mines to finished products: layered mining is implemented in the mining stage, preferring high-calcium ore layers and removing impurity interlayers; particle size distribution and composition fluctuation are monitored online during production; calcium content, fineness, moisture and acid insoluble matter indicators are tested batch by batch before finished products leave the factory. We strictly control composition deviation between batches to ensure stable product performance and avoid affecting downstream production processes due to raw material fluctuation. Factory inspection reports can be provided with the goods to support customers' incoming re-inspection.

We provide a variety of packaging and transportation solutions to adapt to different purchase scales: small batches are packaged in 25kg woven bags, and bulk purchases can choose 500-1000kg ton bags or bulk tank truck transportation. Products are stored in a special dry and ventilated warehouse, with bottom elevated for moisture protection, and open-air stacking and rain exposure are strictly prohibited. Under proper storage conditions, the shelf life is 12 months with stable physical and chemical properties; tarpaulins are covered throughout transportation to prevent moisture and impurity contamination, ensuring products arrive in good condition.

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