棕剛玉微粉概述：
性能：呈汪棕褐色，韌性高，能承受較大壓力，搞破碎能力強。
適用范圍：可做固結及涂附磨具，濕式或干或噴射砂，超精研磨和拋光及制做高級耐火材料等。適合加工碳素鋼，合金鋼，可鍛鑄鐵，硬青鋼及半導體材料。
Property:It is brown and features toughness and impact strength .It can bear high Pressure.
Usage:It is suitable for making bonded and coated abrasive tools,wet or dry blasting,superprecision grinding and polishing,making high quality refactory materials,grinding carbon steel,alloy steel,malleable cast iron,hard bronze and semi-conductor materials.
化學成分：
| 名稱 | 規格 | 化學成分 | 物理性能 | ||||||||
| AL2O3不少于 | Fe2O3不多于 | TiO2 | SiO2不多于 | Na2O不多于 | SiC不少于 | FC不多于 | FSiO2+FSi不多于 | 顯微硬度 | 顆粒密度 | ||
| 棕剛玉微粉 | W63-W14 W14-W20 | 92.00 91.00 | 1.5-3.8 15.-3.8 | 2000-2200 | ≥3.90 | ||||||
微粉粒度及尺寸范圍
| 類別 | 粒度 | 基本粒尺寸范圍 | 類別 | 粒度 | 基本尺寸范圍 |
| 微粉 | W63 | 63-50 | 精微粉 | W3.5 | 3.5-2.5 |
| W50 | 50-40 | ||||
| W40 | 40-28 | ||||
| W28 | 28-20 | W2.5 | 2.5-1.5 | ||
| W20 | 20-14 | ||||
| W14 | 14-10 | W1.5 | 1.5-1.0 | ||
| W10 | 10-7 | ||||
| W7 | 7-5 | W1 | 1.0-0.5 | ||
| W5 | 5-3.5 |