Nepheline, a feldspathoid mineral, is composed mainly of sodium, potassium, and aluminum silicates. It is found in alkaline igneous rocks and is a critical raw material in various industrial processes. Known for its low silica content and high alumina and alkali levels, nepheline is an excellent substitute for feldspar and other minerals in manufacturing processes.
Nepheline has a low melting point, high alumina content, and excellent fluxing properties. Its crystalline structure enhances thermal and chemical stability.
Its use improves energy efficiency in industrial processes and offers cost savings due to reduced raw material consumption. Nepheline also minimizes environmental impact in applications where less silica is desirable.
Widely used in glass production (to enhance clarity and reduce production costs), ceramics (for improved strength and finish), and as a filler in paints, plastics, and rubber. Its high alumina content makes it valuable for refractories and specialized applications.
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