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Kyanite sand (powder)
Kyanite is a natural refractory raw material mineral known for its high refractoriness and significant thermal expansion at elevated temperatures. Naturally occurring kyanite often closely approximates its ideal composition. It exhibits strong resistance to chemical corrosion, high thermal shock mechanical strength, and undergoes irreversible thermal expansion, classifying it as a high-alumina mineral.
Appearance: Kyanite crystals display parallel striations on their faces and appear in colors such as light blue, cyan, or bright grayish-white.
our applications
Kyanite sand and powder serve as primary raw materials for producing unshaped refractories, electric furnace roof bricks, phosphate unburned bricks, mullite bricks, and low-creep bricks.
working process
The core of kyanite processing revolves around purification and impurity removal, particle size control, and high-temperature calcination for crystal transformation, which is suitable for downstream industrial applications such as refractory materials, ceramics, abrasives, and metallurgical additives.
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Frequently asked questions
Rutile is a strategic mineral resource of high economic value, with its core applications concentrated in high-end industrial and chemical sectors. Its primary use is as a premium raw material for producing titanium dioxide, the most high-performance white pigment, which is extensively used in paints, plastics, paper, inks, and cosmetics for its exceptional opacity, whiteness, and stability. Concurrently, rutile serves as a key starting material for manufacturing titanium tetrachloride, which is further processed to produce high-purity titanium sponge (metallic titanium) and is central to the chloride process for titanium dioxide production. Furthermore, high-grade rutile is directly used in coatings for welding electrodes and wires, where it significantly stabilizes the arc and improves weld quality. In the ceramics industry, rutile is also an important component in colored glazes.
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