以鋁土礦和木炭（無菸煤）為原料，在電弧爐中高溫熔煉的棕剛玉耐火材料的生產工藝及特點。主要化學成分是Al2O3和TiO2。還含有少量的SiO2和Fe2O3等，顯微硬度為1800-2200kg/mm2。韌性高於碳化矽。棕剛玉製造的磨俱適用於磨削碳鋼、普通合金鋼、可鍛鑄鐵、硬青銅等。棕剛玉還可製造優質耐火材料等。高鋁熟料耐火度可達1850 ℃。具有很強的化學穩定性和良好的物理性能。
棕剛玉耐火材料的應用
- 耐火材料、鑄造等
- 固結磨俱和塗附磨俱，陶瓷砂輪，樹脂砂輪
- 表面處理/精加工
- 研磨、拋光、裝飾防滑磚和壓力噴砂
- 瓷磚 特種陶瓷
- 流化床爐和皮膚/牙科護理
- 磨削高碳鋼、高速鋼和冷硬鋼
棕剛玉耐火化學指標
粒徑 |
鋁2 O 3 |
的SiO 2 |
二氧化鈦2 |
Fe 2 O 3 |
微粉 |
≥94.50% |
≤1.20% |
≤3.0% |
≤0.25% |
0-1mm |
≥95.00% |
≤1.20% |
≤3.0% |
≤0.25% |
1-3mm |
≥95.00% |
≤1.20% |
≤3.0% |
≤0.25% |
3-5mm |
≥95.00% |
≤1.20% |
≤3.0% |
≤0.25% |
5-8mm |
≥95.00% |
≤1.20% |
≤3.0% |
≤0.25% |
棕剛玉耐火物理性能指標
物品 |
指數 |
顏色 |
棕色的 |
水晶形狀 |
三角 |
莫氏硬度 |
≥9.0 |
熔點(℃) |
2050 |
真密度(g/cm 3 ) |
≥3.90 |
Leo (已購買) –
Good quality.
Kevin (已購買) –
Good service.
Zane (已購買) –
Good quality.
Michael (已購買) –
The product is firmly packed.
Nicholas (已購買) –
The product is firmly packed.
Owen (已購買) –
Good service.
Robert (已購買) –
Very well worth the money.
Ryan (已購買) –
Good service.
Ryan (已購買) –
Very well worth the money.
Zohar (已購買) –
Very well worth the money.
Riley (已購買) –
Good quality.
Angel (已購買) –
Good service.
Ryder (已購買) –
Very fast delivery.
Ryan (已購買) –
The product is firmly packed.
Nicholas (已購買) –
Good quality.