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Changxing jinyuan refractory material co. LTD

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Telephone: 0572-6123992

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Jade-like castable

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Jade-like castable

  • Taxonomy:castable

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  • Date of release:2019/05/16
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刚玉质浇注料





Corundum castable is a kind of refractory castable which is made of corundum aggregate and powder plus some binder. It has higher mechanical strength and abrasion resistance than high alumina refractory castable and mullite refractory castable, but less thermal shock resistance. It is mainly used as lining material for boilers, blast furnaces, hot air furnaces, heating furnaces, ceramic kilns and other kilns.



It has higher mechanical strength and abrasion resistance than high alumina refractory castable and mullite refractory castable, but less thermal shock resistance. It is mainly used as lining material for boilers, blast furnaces, hot air furnaces, heating furnaces, ceramic kilns and other kilns.



Corundum Al2O3 has three variants, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3, -al2o3. Corundum a variety of color, a colorless, white, golden brown (pigment ion Ni, Cr), yellow (pigment ion Ni) and red (pigment ion (Cr), blue (pigment ion Ti, Fe), green (pigment ion Co, Ni, V), purple (Ti, Fe, Cr), brown and black (pigment ion Fe, Fe), under the blue purple under the radiation of incandescent lamp, fluorescent lamp red purple effect (V) pigment ion.



Corundum is a gem formed from the crystallization of aluminum oxide (Al2O3). The color of corundum mixed with chromium is bright red. Corundum, blue or colorless, is generally classified as sapphire.

Corundum ranks 9th in the mohs hardness scale. Specific gravity of 4.00, lattice structure with hexagonal column. With its hardness and relatively low price compared to diamonds, corundum makes a great material for sandpaper and grinding tools.

Corundum has a glassy luster and a hardness of 9. The proportion of 3.95 4.10. The formation of high temperature aluminum-rich and silicon-poor C is mainly related to magmatism, contact metamorphism and regional metamorphism.

Corundum is a bauxite as the main raw material by mining furnace smelting out of artificial materials, can be used as abrasive and refractory materials. The purity of the higher white is called white corundum, contains a small number of impurities for brown is called brown corundum.


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