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                      4. Alumina
                      5. E-Powders

                      E-Powders

                      Saint-Gobain Surface Conditioning's E-Powders are calcined aluminum oxide powders offering proven performance in a variety of demanding abrasive, thermal and structural applications.

                      Originally designed as functional filler in magnetic media for continuous cleaning of magnetic heads with reduced dropout, our E-Powders are also ideal for use in applications ranging from automotive polishing to semiconductor CMP. 

                      Available in a wide selection of shapes and sizes, Saint-Gobain alumina E-powders feature controlled size distributions and high purity levels for optimal performance.

                      Alumina E-Powders | Saint-Gobain Surface Conditioning

                      E266, E300, E330, E390, E440, E500, E600

                      Saint-Gobain Surface Conditioning's sub-micron E-Powders are monocrystalline calcined aluminum oxide powders (99.5%+ purity) featuring a plate-like elongated shape in sizes down to 0.32um.  

                      Alumina E-Powders | Saint-Gobain Surface Conditioning
                       

                      E700

                      Saint-Gobain Surface Conditioning's E700 is an ultrafine sub-micron polycrystalline alumina that leverages proprietary processing technology to produce high-purity (99.7%+), ultrafine spherically shaped particles with a crystal size of 150 to 250 nanometers.

                      Alumina E-Powders | Saint-Gobain Surface Conditioning

                       

                      • Benefits
                      • Specifications
                      • Availability
                      • Sub-micron size control
                      • Wide selection of particle size distribution
                      • High purity
                      Physical Characteristics
                      E266, E300, E330, E390, E440, E500, E600
                      Crystal form Monocrystalline alpha alumina
                      Hardness Knoops-2000, Mohs-9
                      pH 8.0 - 9.5
                      Specific gravity* 3.95 /gm/cc
                      *Apparatus specific gravity 3.6 – 3.9 by Gas Pycnometer 
                      Typical Chemical Characteristics
                      Product Al2O3 NaO2 Fe2O3 SiO2 CaO MgO TiO2
                      E266
                      E300
                      E330
                      E440

                      99.6

                      0.25

                      0.03

                      0.03

                      <0.03

                      <0.01

                      <0.01
                      E390
                      E500
                      E600

                      99.8

                      0.10

                      0.03

                      0.06

                      <0.02

                      <0.03

                      <0.02
                      Physical Characteristics E700
                      Crystal form Polycrystalline alpha alumina
                      Hardness Knoops-2000, Mohs-9
                      Ultimate crystal size 150 – 250 nanometers–
                      pH 7.0 – 9.0
                      Specific gravity* 3.95 /gm/cc
                      *Apparatus specific gravity 3.6 – 3.9 by Gas Pycnometer 
                      Typical Chemical Characteristics E700
                      Bulk Chemistry By ICP, percent
                      Al2O3 NaO2 Fe2O3 SiO2 CaO MgO TiO2 Others*
                      >99.7 <0.03 <0.02 <0.10 <0.01 <0.01 <0.15 <0.01
                      Surface Chemistry By ICP, ppm
                      Na Fe Si Ca Mg Ti Others*  
                      <10 <90 <40 <20 <25 <180 <10  
                      * Cadmium, Chromium, Cobalt, Copper, Manganese, Nickel, Zinc

                       

                      Product Reference
                      Alumina E-Powder Product Code D50%
                      E266 7987 1.75
                      E300 7989 0.90
                      E330 7988 0.70
                      E390 7985 0.44
                      E490 7986 0.43
                      E440 7983 0.42
                      E500 7990 0.38
                      E600 7991 0.32
                      E700 7992 0.20

                       

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                      RELATED APPLICATIONS

                      • Automotive Polishing with Alumina Powders and Slurries | Saint-Gobain Surface Conditionin

                        Automotive Polishing

                      • Particles, Slurries & Specialty Chemicals for Industrial Polishing | Saint-Gobain

                        Industrial Polishing

                      >

                      Related Resources

                       E-Powder Alumina Particles E700
                       E-Powder Alumina Particles E266, E300, E330, E390, E440, E500, E600

                      Related Products

                      Calcined
                      Hybrid
                      Polycrystalline
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