Stearic Acid Coated Ground Calcium Carbonate is ultra‑fine ground calcium carbonate with stearic‑acid surface coating as direct replacement for Carbital N. The stearic‑acid surface treatment improves hydrophobicity and compatibility with non‑polar resins. Incorporated into plastic and coating formulations, this mineral filler enhances powder dispersion, optimizes surface gloss of finished articles and improves extrusion processing performance.

Product Detail

Product Overview Stearic Acid Coated Ground Calcium Carbonate (CAS 1317‑65‑3, Carbital N Equivalent) is ultra‑fine ground calcium carbonate processed with stearic‑acid surface coating. Careful grinding delivers controlled fine particle‑size distribution. The stearic‑acid coating modifies the mineral surface to reduce moisture absorption and enhance wetting within resin matrix. When uniformly dispersed in plastic compounds or coating systems, the filler improves surface gloss of finished parts, increases hardness, and optimizes melt flow behaviour during plastic extrusion. This surface‑treated ground calcium carbonate is suitable for thermoplastic compounding and solvent‑borne industrial coating formulations.

Key Features ‑ Stearic‑acid surface coating reduces moisture absorption and improves hydrophobic property ‑ Excellent dispersion performance within non‑polar resin systems for plastic and coating ‑ Improves surface gloss and surface hardness of molded plastic and cured coating film ‑ Optimizes melt flow and reduces equipment abrasion during plastic extrusion processing ‑ Direct functional equivalent grade for Carbital N stearic acid coated ground calcium carbonate

Typical Technical Properties ‑ Chemical Type: Stearic‑acid coated ultra‑fine ground calcium carbonate ‑ Appearance: White free‑flowing fine powder ‑ Median Particle Size: Refer to TDS ‑ Bulk Density: Refer to TDS ‑ Coating Agent Content: Refer to TDS

Applications ‑ Thermoplastic compounding: Gloss‑enhancing mineral filler for injection‑molding plastic granules ‑ Industrial solvent‑borne coating: Functional extender filler for primer and topcoat formulations ‑ Masterbatch production: Raw mineral filler for color and filler masterbatch ‑ Polymer compounding plant: Surface‑treated GCC for plastic and coating raw‑material formulation

Processing Recommendation Feed stearic acid coated ground calcium carbonate in high‑speed mixing or kneading stage. Adjust filler loading according to target gloss and hardness requirements. Ensure sufficient homogenization. Complete lab formulation trials before mass production.

Storage & Handling Store in cool, dry warehouse to avoid moisture. Reseal packaging immediately after opening. Wear dust‑proof mask and protective gloves when handling fine mineral powder.

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Stearic Acid Coated Ground Calcium Carbonate CAS 1317-65-3 Ultra-Fine Plastic Coating Filler (Carbital N Equivalent)

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.