Industrial Grade Ground Calcium Carbonate

Product features:

This product offers excellent cost performance, allowing manufacturers to reduce the usage of expensive polymer resins while maintaining or even improving the mechanical properties of final products. Its narrow particle size distribution ensures consistent processing performance in plastic injection molding, extrusion, and calendaring processes, avoiding issues such as uneven mixing and poor surface quality of finished parts. With a moderate oil absorption rate, it is compatible with most polymer matrix materials, and its alkaline pH value helps to improve the heat resistance of plastic products. It solves the pain points of low-quality fillers that cause a decline in product strength and surface finish.

Product specifications:

The industrial-grade ground calcium carbonate has an average particle size of 10-15μm, with a minimum purity of 98.0%. The moisture content is controlled at ≤0.3%, and the pH value ranges from 8.5 to 9.5. The oil absorption rate is between 50 and 60g per 100g of product, and the whiteness is ≥88%, which helps to improve the appearance of light-colored plastic products. The loss on ignition is between 40.0% and 43.0%, and the content of insoluble substances is ≤0.1%, ensuring high purity and stability. It is packaged in PP woven bags, with each bag containing 50 Kilograms of product, and each batch is tested to ensure compliance with RoHS 2.0 environmental standards.

Product application:

This product is primarily used as a filler in PVC plastic products such as pipes, plates, and profiles, reducing production costs while improving the rigidity and impact resistance of the materials. It is also used in plastic injection molded parts such as home appliance shells and automotive interior components, enhancing the dimensional stability of the finished products. In the wire and cable industry, it is added to sheath materials to improve the flame retardant performance and hardness of the cables. Additionally, it is used as a carrier material for plastic masterbatches, improving the dispersion of colorants and additives in polymer matrices.