Jinyan 16-30 Mesh Precision Cast Mullite Sand is a premium refractory material engineered for the most demanding investment casting and industrial foundry applications. With a chemical composition featuring 46.3% Al2O3 and 51.3% SiO2, this high-purity sand offers a stable 55-65% Mullite phase, ensuring exceptional thermal stability and minimal thermal expansion. Designed for precision, the 16-30 mesh size provides the ideal surface finish and permeability for high-quality mold shells.
Characterized by its High Refractoriness (1770°C-2000°C), Jinyan Mullite Sand excels in high-temperature environments, preventing mold deformation and ensuring the structural integrity of complex casts. This product is widely utilized in the aerospace, automotive, and power generation industries for casting stainless steel, carbon steel, and heat-resistant alloys. Its low iron content and high bulk density contribute to superior resistance against chemical erosion and slag, extending the life of your casting equipment.
Available for bulk wholesale, our Jinyan 16-30 Mesh Precision Cast Mullite Sand meets international quality standards for precision casting. Whether you are producing turbine blades or intricate industrial components, our mullite sand provides the consistent particle distribution and extreme heat resistance necessary for flawless results.













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