Black Fused Corundum is also known as low aluminum corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made α-Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite. Black Fused Corundum is characterized by low Al2O3 and a certain amount of Fe2O3 (10% more or less) content, so it has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It is mainly suitable for free grinding, such as coarse grinding before electroplating products, mainly for polishing and sandblasting of stainless steel, fabricated metal products, optical glass, bamboo products, and it is also new abrasive for manufacturing resin grinding wheel, cut-off wheels and emery cloth. The Black Fused Corundum of RunLong Enterprise concentrated basic tablets, with the characteristics of strong cutting power, high toughness, high flexibility, good abrasion resistance and high working efficiency, which is the best product for grinding and polishing, sandblasting stainless steel products.
Chemical Analysis▼
Physical properties▼
| Item | Indicators |
| Color | Black |
| Crystal | Trigonal system |
| Hardness (Mohs) | ≥ 9.0 |
| Melting point (°C) | 2050 |
| The maximum temperature (°C) | 1850 |
| True Density (g/cm3) | ≥ 3. 50 |
| Linear expansion coefficient (0-1600 °C) | 7-9 |
All data based upon RunLong Enterprise standard test methods. We could supply grit size according to FEPA, JIS, ANSI, GB & P Standard.
Shipping Package
| pvc bags | paper bags | jumbo bags | jumbo bags | pvc bag+pallet | paper bag+pallet |
| 25kg net | 25kg net | 1000kg | 1500kg | 1000kg | 1000kg |
Other package also could be supplied as required.
Good quality black fused corundum with competitive price [USD350~500/Ton FOB Tianjin] from China manufacturer.
Delivery
1. The sample will be send by International expresses FEDEX/DHL/UPS/TNT.
2. Full container Load(FCL): By vessel Or International Railway Transportation
3. Less Than Container Load(LCL): By vessel or By air
Payment
1. Payment: T/T, Western Union,LC, Paypal Usually 30% deposits,70% balance before delivery or negotiations to solve.
2. MOQ: Usually 1Tons
3. Quality Warranty: 1 years
After Sales Service:
1).We are very glad that customer give us some suggestion for price and products.
2).If any question, please let us know it by E-mail or Telephone at the first time. We can deal with them for you in time.
