W40即320目棕刚玉微粉
棕刚玉是以铝矾土、焦碳（无烟煤）为主要原料，在电弧炉内经高温冶炼而成。主要化学成份为AL2O3、TiO2还含有少量的Sio2和Fe2O3等，显微硬度HV1800-2200、韧性比SiC高，用它制成的磨具,适用于削抗张强度较高的金属，如通用钢材、可锻铁、硬青铜等。也可制造耐火材料。
Brown fused alumina is made of bauxite, anthracite coal, and smelted in electric-arc furnace of high temperature more than 2000 degrees. Abrasives tools made by brown fused alumina are suitable for metal with high tensile(like: steel, malleable iron, bronze etc). Suitable for product high consolidation abrasive, and suitable for grinding, polishing, blasting, precision casting etc. brown fused alumina is also used for refractory material. Brown fused alumina with characteristics like: high purity, good crystalline liquidity, low coefficient of linear expansion, corrosion resistance, high temperature, high strength.
Al2O3 | ≥95.0% |
SiO2 | ≤1.5% |
TiO2 | ≤3% |
Fe2O3 | ≤0.5% |
等级 | |
硬度 | ≥9 |
堆积密度 | ≥1.75 g/cm3 |
颗粒密度 | ≥3.97g/cm3 |
磁性物含量 | ≤0.038% |
用途 | 陶瓷树脂磨具，喷砂，研磨和抛光，并广泛应用于防滑耐磨跑道，耐高温基本镀成，冶金化工等工业窑炉的耐火材料，是喷砂除锈，清理工件，研磨抛光等理想材料 |
棕刚玉微粉的用途：
广泛用于普通钢材的粗磨，如：碳素钢，一般合金钢，可锻铸铁，硬青铜等。用于制造陶瓷、树脂高固结磨具以及研磨、抛光等，棕刚玉还可广泛应用于耐火材料的制造
精炼棕刚玉适用于制造陶瓷、树脂高固结磨具以及研磨、抛光等，棕刚玉还可广泛应用于耐火材料的制造.
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