棕剛玉磨料
Brown fused alumina
Fused with bauxite of high Al2O3 content and additives in arc electric furnace, it features high hardness, high intension, good self-sharpening, good thermal stability and chemical durability, high temperature-resistance, corrosion-resistance, and is widely used in abrasive, refractory, cera-mic, chemical engineering and metallurgical industries.
Items | Tabular alumina | |
Chemical index | Al2O3% | 95% |
SiO2% | 0.15%Max | |
Fe2O3% | 0.15%Max | |
Na2O% | 0.45%Max | |
Physical index | AP% | 4.5%Max |
BD(g/cm3) | 3.5 Min | |
Water absorption | 1.0%Max | |
Size | 0-1mm,1-3mm,3-6mm 220-350mesh | |
Appication | metalurgy,chemicla,glass and metalurgy industries |
劃分等級
使用范圍
產品名稱 | 規格型號 | 主要指標 | 密度 | 外觀 | 用途 | 包裝 | ||
|
| AL203 | Fe2O3 | SiO2 |
|
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|
|
棕剛玉 | 一級 | ≥ 95 | ≤0.3 | ≤1.5 | 3.85 | 棕紅色顆粒 | 耐火材料,精拋 | 25KG/袋 |
次一級 | ≥90 | ≤0.3 | ≤1.5 | 3.85 | 黑色顆粒 灰色粉狀 | 拋光,研磨 | 25KG/袋 | |
二級 | ≥85 | ≤0.3 | ≤1.5 | 3.85 | 黑色顆粒 | 研磨、砂輪,切割片,噴砂 | 25KG/袋 | |
次二級 | ≥80 | ≤0.3 | ≤1.5 | 3.85 | 黑色顆粒 | 拋光,研磨 | 25KG/袋 | |
三級 | ≥70 | ≤0.3 | ≤1.5 | 3.85 | 黑色顆粒 | 地坪 | 25KG/袋 |
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