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  • Factory Supply White Corundum Grain - White Fused Alumina for Refractories – Yufa

    Factory Supply White Corundum Grain - White Fused Alumina for Refractories – Yufa

    Chemical Composition Chemical Composition Grit > 0.1mm Typical Value Fine Powder ≤ 0.1mm Typical Value Al2O3%≥ 99.2 99.5 99 99.3 SiO2%≤ 0.1 0.03 0.15 0.08 Fe2O3%≤ 0.1 0.03 0.1 0.06 K2O+Na2O%≤ 0.35 0.25 0.4 0.3 Apparent Porosity %≤ 8 6     Common Bulk Density g/cm3≥ 3.6 3.65     High Bulk Density g/cm3≥ 3.68 3.72     True Density g/cm3≥ 3.9 3.93 3.9 3.93   Chemical Composition Of Low Sodium, Mi...
  • 2021 New Style White Fused Alumina Grit - White Fused Alumina for Refractories – Yufa

    2021 New Style White Fused Alumina Grit - White Fused Alumina for Refractories – Yufa

    Chemical Composition Chemical Composition Grit > 0.1mm Typical Value Fine Powder ≤ 0.1mm Typical Value Al2O3%≥ 99.2 99.5 99 99.3 SiO2%≤ 0.1 0.03 0.15 0.08 Fe2O3%≤ 0.1 0.03 0.1 0.06 K2O+Na2O%≤ 0.35 0.25 0.4 0.3 Apparent Porosity %≤ 8 6     Common Bulk Density g/cm3≥ 3.6 3.65     High Bulk Density g/cm3≥ 3.68 3.72     True Density g/cm3≥ 3.9 3.93 3.9 3.93   Chemical Composition Of Low Sodium, Mi...
  • Chinese Professional Calcined Alumina 99.7% - Calcined Alumina (PA) Series for Polishing – Yufa

    Chinese Professional Calcined Alumina 99.7% - Calcined Alumina (PA) Series for Polishing – Yufa

    Specification Model No.  Chemical Composition(%) Mesh Grain Size  D50 +325 Mesh Original Crystal Conversion Rate Oil Absorption Value Cutting force Glossiness Al2O3 μm % μm %     PA200S ≥99 65-75 >65 >95 +++++ ++ PA500S ≥99 300 5.5-6.5 <3 2.5-3.5 >95 +++++ ++ PA200 ≥99 200 18-22 50-55 6.0-10 >95 10-20 +++++ ++ PA500 ≥99 500 14-16 <30 >95 23 +++++ ++ PA800 ≥99 800 5.5-6.5 <5 >95 17 +++++ ++ PA2000 ≥99 2000 ~6 <1 5.5-6.0 95 14.2 +++ +...
  • Online Exporter White Fused Alumina For Sandblasting - White Fused Alumina for Refractories – Yufa

    Online Exporter White Fused Alumina For Sandblasting - White Fused Alumina for Refractories – Yufa

    Chemical Composition Chemical Composition Grit > 0.1mm Typical Value Fine Powder ≤ 0.1mm Typical Value Al2O3%≥ 99.2 99.5 99 99.3 SiO2%≤ 0.1 0.03 0.15 0.08 Fe2O3%≤ 0.1 0.03 0.1 0.06 K2O+Na2O%≤ 0.35 0.25 0.4 0.3 Apparent Porosity %≤ 8 6     Common Bulk Density g/cm3≥ 3.6 3.65     High Bulk Density g/cm3≥ 3.68 3.72     True Density g/cm3≥ 3.9 3.93 3.9 3.93   Chemical Composition Of Low Sodium, Mi...
  • Factory Outlets White Aluminum Oxide Al2o3 - White Fused Alumina for Refractories – Yufa

    Factory Outlets White Aluminum Oxide Al2o3 - White Fused Alumina for Refractories – Yufa

    Chemical Composition Chemical Composition Grit > 0.1mm Typical Value Fine Powder ≤ 0.1mm Typical Value Al2O3%≥ 99.2 99.5 99 99.3 SiO2%≤ 0.1 0.03 0.15 0.08 Fe2O3%≤ 0.1 0.03 0.1 0.06 K2O+Na2O%≤ 0.35 0.25 0.4 0.3 Apparent Porosity %≤ 8 6     Common Bulk Density g/cm3≥ 3.6 3.65     High Bulk Density g/cm3≥ 3.68 3.72     True Density g/cm3≥ 3.9 3.93 3.9 3.93   Chemical Composition Of Low Sodium, Mi...
  • Lowest Price for White Alumina Powder - White Fused Alumina for Abrasives – Yufa

    Lowest Price for White Alumina Powder - White Fused Alumina for Abrasives – Yufa

    PEFA F Grain & Micro Powder: Chemical Composition And Particle Size Composition Standard Chemical Composition  Chemical Composition Na2O%≤ Al2O3%≥ SiO2%≤ Fe2O3%≤ Magnetic Object %≤  Common 0.3 99.4 0.1 0.05 0.001 Micro Sodium 0.06 99.7 0.1 0.03 0.001 F12 - F220 Particle Size Composition  Grain Size Marking Ultra Coarse Grains Coarse Grains Medium Grains Mixed Grains Fine Grains 100% Pass The Following Sieves/Sieve Number Can...
  • High Quality for White Aluminum Oxide Abrasive - White Fused Alumina for Refractories – Yufa

    High Quality for White Aluminum Oxide Abrasive - White Fused Alumina for Refractories – Yufa

    Chemical Composition Chemical Composition Grit > 0.1mm Typical Value Fine Powder ≤ 0.1mm Typical Value Al2O3%≥ 99.2 99.5 99 99.3 SiO2%≤ 0.1 0.03 0.15 0.08 Fe2O3%≤ 0.1 0.03 0.1 0.06 K2O+Na2O%≤ 0.35 0.25 0.4 0.3 Apparent Porosity %≤ 8 6     Common Bulk Density g/cm3≥ 3.6 3.65     High Bulk Density g/cm3≥ 3.68 3.72     True Density g/cm3≥ 3.9 3.93 3.9 3.93   Chemical Composition Of Low Sodium, Mi...
  • OEM Supply Ceramic Granulation Powder - Alumina Ceramic Products – Yufa

    OEM Supply Ceramic Granulation Powder - Alumina Ceramic Products – Yufa

    Ceramic Insulators for Spark plugs Model No./Characteristic index F series F series Φ10mm, Φ12mm lengthened series Density of Ceramic (g/cm3) ≥3.70 ≥3.70 ≥3.70 Dielectric Strength (KV) ≥38 ≥38 ≥38 Flexural Strength (N) ≥600 ≥450 ≥380 Appearance Color White White White       Alumina Ceramic Tube Mainly used for the protection of the temperature sensor, make the temperature sensor and outside isolation, decrease or prevent component...
  • Good User Reputation for White Fused Alumina For Polishing – Micro Sodium White Fused Alumina – Yufa

    Good User Reputation for White Fused Alumina For Polishing – Micro Sodium White Fused Alumina – Yufa

    Compared With β-Al2O3 And α-Al2O3 Sodium oxide is a harmful impurity to white corundum. It forms β-Al2O3 with alumina in the molten state, and the amount of production increases with the increase of sodium oxide content. Na2O in white corundum mainly appears in the form of Na2O·11AL2O3 (β-Al2O3). For example, if the alumina raw material contains more than 0.6% sodium oxide, the white corundum produced with it will contain more than 10% β-Al2O3. Compared with β-Al2O3, α-Al2O3 has ‘three highs...
  • Cheap price Alpha Alumina For Polishing - Calcined Alumina (RA) Series for Refractory Materials – Yufa

    Cheap price Alpha Alumina For Polishing - Calcined Alumina (RA) Series for Refractory Materials – Yufa

    Specification Model No.  Chemical Composition(%) True Density Apparent Density Grain Size +325 Mesh Original Crystal Water Absorption Features Recommended Applications Al2O3 ≥% SiO2 ≤% Fe2O3 ≤% Na2O ≤% LOI ≤%  g/cm3 ≥ g/cm3 > D50 (μm) <% D50(μm) % RA1G 99.5 0.15 0.04 0.10 0.15 3.92 0.7 1.5-2.2 1 ~1.0   1. Fully grinding 2. Low sodium 3. Small primary crystal size 4. Good particle size distribution 5. High activity Used to produce various high-end refractory materials ...
  • 2021 China New Design Dense Fused Aluminum Oxide Grit - Fused Dense Corundum – Yufa

    2021 China New Design Dense Fused Aluminum Oxide Grit - Fused Dense Corundum – Yufa

    Chemical Composition Chemical Composition Grit > 0.1mm Typical Value Fine Powder ≤ 0.1mm Typical Value Al2O3%≥ 99.2 99.6 99 99.4 SiO2%≤ 0.5 0.4 0.7 0.5 Fe2O3%≤ 0.1 0.03 0.1 0.05 TiO2%≤ 0.1 0.05 0.1 0.05 CaO%≤ MgO%≤ Na2O%≤ C%≤ 0.08 0.12 0.1 Apparent porosity %≤ 2 0.8 2 0.8 Bulk Density g/cm3≥ 3.9 3.93 True Density g/cm3≥ 3.96 3.99 3.96 3.98 Grit and Fine Powder 0.1-0 mm,...
  • Good quality Calcined Alumina For Refractories - Calcined Alumina (FA) Series for Heat Conduction – Yufa

    Good quality Calcined Alumina For Refractories - Calcined Alumina (FA) Series for Heat Conduction – Yufa

    Applications   Chemical Composition (%) Ture Density   Apparent Density Grain Size Original Crystal Oil Absorption Rate Conversion Rate +325 Residual Boron Features Recommended Applications Model No. Al2O3 ≥% SiO2 ≤% Fe2O3 ≤% Na2O ≤% LOI ≤%  g/cm3 ≥ g/cm3 > D50 (μm) D50 (μm) ml ≥% <% <% FA3 99.5 0.1 0.03 0.08 0.1 3.96 >0.85 ~2.8 2.1-2.7 <17 ≥95 0.5 / 1. High temperature calcination 2. Deep grinding & Good flowability 3. Reasonable particle size distrib...
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