High Aspect Ratio Wollastonite (L/D≥15:1) – The Core Filler for Enhancing Composite Material PerformanceKey Product Parameters:▸ Chemical Composition: SiO₂ 50-52% / CaO 44-46% / Fe₂O₃≤0.3%▸ Physical Properties: Mohs hardness 4.5-5.0, whiteness ≥90% (customizable 92% ultra-white grade available)▸ Mor