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1 FUSED ALUMINA SERIES ZHENGZHOU ONWAY IMPORT & EXPORT CO. LTD Add.: Rm 536A, Xinyuan Int l Plaza, Western Jianshe Road, Zhengzhou, Henan, China Mobile: : Fax: E-m Website: Skype: imonway

2 Brown Fused Alumina Brown fused alumina is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over Chemical Composition on (%) Grit Size Al 2 O 3 TiO 2 SiO 2 Fe 2 O 3 CaO F4-F F90-F F180-F F220 Finer 92.0

3 Physical Index Crystal System True Density Hexagonal 3.90g/cm 3 min Mosh Hardness 9 Micro hardness HV Size Available Abrasives F12-F1200, P12-P2500 Refractory 0-1mm,1-3mm,3-5mm,5-8mm,200mesh,325mesh Other special specification could be supplied as required Application 1. Coated and boned abrasive tools 2. Lapping and polishing processing 3. Sandblasting 4. Producing mold of precision casting 5. Refractory materials including low cement castable, plastics, bricks, etc.

4 White Fused Alumina White Fused Alumina is high grade refractory material, which made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. Grit Size Al2O3 Na2O F12-F F230-F F500-F

5 Physical Index True Density 3.96g/cm 3 Hardness kg/mm 2 Refractoriness 1850 Max Usable Temperature 1900 Size Available Abrasives F8-F1200, P12-P220, JIS240-JIS3000 Refractory 0-1mm, 1-3mm, 3-5mm, 200mesh, 325mesh *Other special specification could be supplied as required 1. Abrasive tools 2. Refractory materials 3. Lapping, polishing, non-skid tile, and pressure blasting when a high purity and highly friable abrasive is needed.

6 Pink Fused Alumina Pink Fused Alumina is Bayer alumina, electrically fused in high temperature, being added with the right quantity of oxidized chromium. Grit Size Al2O3 Cr2O3 F4-F F100-F Used for precision grinding of measuring tools, lathe main shafts, instruments and apparatus parts, threading work pieces. 2. Best suited for high alloy steel applications, ideal for tool sharpening such as high speed steel cutters, reamers, chisel, end mills and sharpening band saw blades. 3. Recommended for tool and internal grinding.

7 Tabular Alumina Tabular Alumina is high purity alumina essentially, processed by high quality alumina after sintering of fusing. Al2O3 SiO2 Na2O Fe2O3 CaO > Physical Index Bulk Density >3.5g/cm3 Typical Size Porosity Density 5.0 Moisture mesh, 100mesh, 200mesh, 325mesh, 0-1mm 1-3mm 3-5mm 1. Used as refractory, abrasives, polishing, grinding, ceramics as raw material. 2. Applicate for high temperature engineering equipment, construction material.

8 Black Fused Alumina Black Fused Alumina is characterized by low Al2O3 and a certain amount of Fe 2 O 3 (10% more or less) content, it s a new type abrasive material for polishing various metal. Grit Size Al 2 O 3 Fe 2 O 3 SiO 2 TiO 2 10#-220# >78.0 >5.0 > #-1000# >66.0 >5.0 > Used for polishing of stainless steel and non-ferrous metals 2. Applicate for resin grinding wheels, cut-off wheels, dicing tools and emery cloth.

9 Vice-White Fused Alumina Vice White fused Alumina is a newly developed high class brown fused alumina, which is named also as its chemical composition and physical properties. Grit Size Al2O3 TiO2 Fe2O3 SiO2 0-1mm mm 3-5mm mm Used for refractory material