High Aspect Ratio Talc Powder is a lamellar magnesium silicate mineral refined from premium talc ore, followed by ultrafine milling and silane coupling‑agent surface treatment. The preserved high‑aspect‑ratio platelet structure provides powerful reinforcing effects within polypropylene matrix. The silane coating enhances interfacial compatibility between talc particles and non‑polar PP resin, reducing filler agglomeration during extrusion and injection molding. This mineral filler is specificall

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Product DetailsThis silane‑treated high aspect‑ratio talc is produced through strict mineral beneficiation, fine classification and controlled silane surface‑coating procedure. The production process carefully protects the original lamellar platelet morphology of talc, avoiding excessive grinding that would destroy the high‑aspect‑ratio sheet‑like structure. The silane surface modification changes the inherent hydrophilic surface property of raw talc, improves wettability in molten polypropylene, and strengthens interfacial adhesion between mineral filler and polymer chains.

With well‑controlled narrow particle‑size distribution, low heavy‑metal impurities and low moisture content, this talc grade helps to lower volatile organic emissions in finished PP compounds, which meets basic automotive OEM emission requirements. Its distinctive high‑aspect‑ratio lamellar structure plays a key reinforcing role inside PP matrix: it effectively raises flexural modulus and tensile stiffness, elevates heat‑deflection temperature, reduces thermal shrinkage and creep deformation of molded plastic articles. Compared with ordinary low‑aspect‑ratio talc, this product achieves better dimensional stability for large‑size automotive plastic parts and reduces warpage after injection molding.

When compounded into automotive polypropylene formulations, it contributes to balanced stiffness‑to‑impact performance and improves surface finish of injection‑molded components. Typical application fields include automotive interior trims, door panels, instrument panel components, bumper substrates and other PP‑based automotive thermoplastic parts. It is also compatible for modification of some TPO thermoplastic‑olefin systems.

Packed in 25 kg inner‑liner moisture‑proof woven bags. Keep packages tightly sealed during transportation. Store in cool and dry indoor warehouse, protect the powder from moisture absorption and caking. Avoid excessive stacking height on pallets to prevent package rupture. Wear dust‑resistant masks and gloves during material handling operations.

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High Aspect Ratio Talc Powder (Talcum / Magnesium Silicate) CAS 14807-96-6, Silane-Treated Reinforcing Filler for Automotive PP

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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.