棕剛玉是以鋁礬土、焦碳(無煙煤)為主要原料，在電孤爐內經高溫冶煉而成，主要化學成份屬AL2O3，TIO2還含有少量的SiO2和Fe2O3等，顯微硬度HVl800-2200，韌性比SiC高，用它制成的磨具，適於磨削抗張較高的金屬也用於研磨玻璃制品制品，工業除銹及水切割等o（1）對矽片、光學鏡頭 、精密機器機表、拋光玻殼、玻璃器皿、陶瓷石料、皮革、 塑料、金屬機件能提高光潔度,（2）可噴砂切割，是制造砂輪、油石、砂佈、砂的必須原料；（3）可作為修築高速公路路麵、飛機跑道、耐磨橡膠、工業地坪.防滑油漆等尚佳的耐磨材料；（4）可作化工、石油、制藥、水處理過濾的介質和鉆井泥漿加重劑；（5）對電鍍、核污染的防護具有良好的效果。 (6) 是水洗廠牛仔服噴砂車間用砂.水切割行業優質的配砂o 

Brown aluminium oxide

With bauxite, carbon material, iron filings as raw materials, Brown Fused Alumina is restored and obtained through the melting of the brown the brownartificial corundumin the furnace above 2200 ℃, and made of a variety of particle sizes products by purifying, crystallization, sorting, crushing, magnetic separation and screening methods. With its dense texture, high hardness and the formation of spherical particles, it is suitable for the manufacture of ceramics and resin, as well as the high-Bonded Abrasives grinding, polishing, sand blasting, precision casting and so on, also can be used to manufacture high-grade refractory material.

Brown Fused Alumina has high purity, good crystalline liquidity, low coefficient of linear expansion, corrosion-resistant and other characteristics. Dozens of refractory manufacturers have proved in practice that the product has not detonate, non-powder, non-cracking characteristics in the application process.

Particle size is in accordance with international standards and can be processed as requirements. Universal size: No. F4 ~ F320, its chemical composition varies depending on grain size. Its prominent feature is the small crystal size, impact resistance and spherical particles. This product has high purity, dense texture, large bulk density, strong self-sharpening, good toughness, low level magnetic material content and other characteristics.

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