棕色氧化铝 棕刚玉F36# 喷砂棕刚玉 磨具用棕刚玉
棕色氧化铝 棕刚玉F36# 喷砂棕刚玉 磨具用棕刚玉
棕色氧化铝 棕刚玉F36# 喷砂棕刚玉 磨具用棕刚玉
棕刚玉是以铝矾土、无烟煤为主要原料,在2000度以上电弧炉内经高温冶炼而成,用它制成的磨具,适于磨削抗张较高(钢材、可锻铸铁、应青铜等)的金属,适用于制造陶瓷、树脂、固结磨具以及研磨、抛光、喷砂、铸造等,也可制造耐火材料。棕刚玉具有纯度高,结晶好,流动性强,线膨胀系数低,耐腐蚀、耐高温、高强度等特点。
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.
主要物理特性Main Physical Properties
颜色COLOR | 棕色,棕红色BROWN,RED BROWN |
莫氏硬度MOHS HARDNESS | 9.0 |
堆积密度BULK DENSITY | 1.75-1.95g/cm3 |
比重SPECIFIC GRAVITY | 3.6-3.9g/cm3 |
体积密度 volume density | 3.6-3.9g/cm3 |
熔点 melting point | 2250°C |
使用温度 maximum service temperature | 1900°C |
用于磨料,喷砂,研磨,抛光Used for abrasives,blasting,grinding
属性properties
规格Type | 粒度砂Grains | ||
8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# | |||
保证值Guarantee Value | 典型值Typical Value | ||
化学成分 Chemical Composition | Al2O3 | ≥95 | 95.65 |
SiO2 | ≤1.5 | 1.04 | |
Fe2O3 | ≤0.5 | 0.14 | |
TiO2 | ≤3 | 2.2 |