Ultrafine Talc Powder (Talcum) is produced from selected natural talc ore through ultrafine dry grinding, multi‑stage air classification and controlled surface modification treatment. Its typical lamellar platelet crystal structure delivers notable reinforcing effect inside polymer matrices. After surface modification, the powder exhibits better interfacial compatibility with thermoplastic resins. This functional mineral filler is widely used for modification of PP, ABS and automotive‑grade plas

Product Detail

Product DetailsThis surface‑modified ultrafine talc powder is manufactured starting from high‑purity talc ore. Raw ore undergoes crushing, ultrafine milling and precise multi‑stage air classification. Strict classification eliminates coarse grit particles and reduces oversized fractions which would generate surface scratches on injection‑molded plastic articles. The qualified ultrafine talc fraction then goes through dry surface‑modification process.

Untreated talc powder has hydrophilic surface. When directly compounded with non‑polar thermoplastics, poor resin‑filler interfacial adhesion may result in uneven dispersion, increased melt viscosity, surface specks and decreased impact performance of modified plastics. Surface modification adjusts the surface property of talc platelets, improves free‑flowing characteristics of the powder, and strengthens interfacial bonding between talc lamellae and polymer molecular chains during twin‑screw extrusion and injection molding.

The lamellar platelet structure of talc creates physical restriction on polymer‑chain movement. Within PP, ABS and other thermoplastic systems, the modified ultrafine talc effectively raises flexural modulus and heat‑deflection temperature, reduces thermal shrinkage and restricts warpage of molded components. Compared with coarse talc grades, the ultrafine particle size contributes to smoother surface finish for injection‑molded parts, which is highly valuable for visible automotive interior plastic components. This product features low heavy‑metal impurities, consistent whiteness and stable particle‑size distribution. It helps to balance stiffness and impact performance for modified automotive plastic formulations.

Typical application fields include automotive interior trims, instrument panel substrates, bumper back‑up parts, PP modified compounds, ABS filler‑modified granules, household appliance structural plastic components.

Packaging adopts 25 kg moisture‑proof woven bags with inner polyethylene liner. Keep packages tightly sealed during transportation and warehouse storage. Store in cool, dry indoor warehouse, avoid moisture absorption and powder caking. Do not stack pallets excessively high to prevent bag rupture. Wear dust‑proof masks and protective gloves during powder‑handling operations.

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Ultrafine Talc Powder (Talcum) CAS 14807-96-6, Surface-Modified Reinforcing Filler for PP, ABS and Automotive Plastics

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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.