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  • New Arrival China White Powder Calcined Alumina - Alumina Ceramic Products – Yufa

    New Arrival China White Powder Calcined Alumina - 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 co...
  • Excellent quality White Alumina Oxide Powder - White Fused Alumina for Refractories – Yufa

    Excellent quality White Alumina Oxide Powder - White Fused Alumina for Refractories – Yufa

    Grit and Fine Powder 0-0.1mm 0-0.2mm 0-0.5mm 0-1mm 0.5-1mm 1-3mm 3-5mm 5-8mm, 5-10mm, 10-25mm, 100mesh 200mesh 325mesh … Other spec are available upon request. Low sodium, Micro sodium WFA are both available. Product Advantages 1. Low sodium and micro sodium WFA can be provided. Na2O can be double 0. 2. Bulk density can really reach 3.6 g/cm3, which can meet needs of various high-grade refractory materials. 3. YUFA spends 24hours non-stopping melting the WFA, using...
  • 2021 High quality Calcined Alumina Powder For Ceramic - Calcined Alumina (FA) Series for Heat Conduction – Yufa

    2021 High quality Calcined Alumina Powder For Ceramic - Calcined Alumina (FA) Series for Heat Conduction – Yufa

    Applications Specification   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...
  • Factory wholesale White Aluminum Oxide For Grinding Wheel - White Fused Alumina for Refractories – Yufa

    Factory wholesale White Aluminum Oxide For Grinding Wheel - White Fused Alumina for Refractories – Yufa

    Grit and Fine Powder 0-0.1mm 0-0.2mm 0-0.5mm 0-1mm 0.5-1mm 1-3mm 3-5mm 5-8mm, 5-10mm, 10-25mm, 100mesh 200mesh 325mesh … Other spec are available upon request. Low sodium, Micro sodium WFA are both available. Product Advantages 1. Low sodium and micro sodium WFA can be provided. Na2O can be double 0. 2. Bulk density can really reach 3.6 g/cm3, which can meet needs of various high-grade refractory materials. 3. YUFA spends 24hours non-stopping melting the WFA, using...
  • 2021 Good Quality White Aluminum Oxide Powder - White Fused Alumina for Abrasives – Yufa

    2021 Good Quality White Aluminum Oxide Powder - White Fused Alumina for Abrasives – Yufa

    Grain Size and Micro Powder     PEFA F F​​​​12, F24, F30, F36, F40, F46, F54, F60, F80, F100, F120, F150, F180, F220 F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200         PEFA P P24, P30, P36, P40, P50, P60, P80, P100, P120, P150, P180, P220 P240, P280, P320, P360, P400, P500, P600, P800, P1000, P1200, P1500, P2000, P2500, P3000       JIS JIS240, JIS280, JIS320, JIS360, JIS400, JIS500, JIS600, JIS700, JIS800,...
  • Factory Price White Aluminum Oxide Abrasives - Micro Sodium White Fused Alumina – Yufa

    Factory Price White Aluminum Oxide Abrasives - 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 ‘t...
  • China OEM Alumina Powder - White Fused Alumina for Abrasives – Yufa

    China OEM Alumina Powder - White Fused Alumina for Abrasives – Yufa

    Grain Size and Micro Powder     PEFA F F​​​​12, F24, F30, F36, F40, F46, F54, F60, F80, F100, F120, F150, F180, F220 F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200         PEFA P P24, P30, P36, P40, P50, P60, P80, P100, P120, P150, P180, P220 P240, P280, P320, P360, P400, P500, P600, P800, P1000, P1200, P1500, P2000, P2500, P3000       JIS JIS240, JIS280, JIS320, JIS360, JIS400, JIS500, JIS600, JIS700, JIS800,...
  • High Quality Fused Aluminum Magnesium Spinel - Fused Alumina Magnesia Spinel – Yufa

    High Quality Fused Aluminum Magnesium Spinel - Fused Alumina Magnesia Spinel – Yufa

    Grit and Fine Powder 0.1-0 mm, 0.2-0 mm, 0.5-0 mm, 1-0 mm, 1-0.5 mm, 3-1 mm,  5-3 mm, 8-5 mm, 10-5 mm, 25-10 mm, 100 mesh, 200 mesh, 325 mesh …… Other spec are available upon request. Product Advantages   1.The application of advanced electric arc tiliting furnace production increases the smelting temperature and can maintain a constant high temperature production, thereby improving the quality of the aluminum-magnesium spinel. 2. Accor...
  • OEM China Ceramic Igniter Insulator Part - Low-Sodium Calcined Alumina (HA) Series Coarse Powder – Yufa

    OEM China Ceramic Igniter Insulator Part - Low-Sodium Calcined Alumina (HA) Series Coarse Powder – Yufa

    Application 1. Suitable for high-performance ceramics, rough polishing, refractory materials, thermal conducting fillers and wear-resistant coating industries 2. Suitable for preparation of refractory powder etc. 3. Suitable for LCD glass, thermally conductive fillers, medium polishing materials industries, etc. Specification Model No. Chemical Composition (%)  True Density Apparent Density Original Crystal Conversion Rate  Features Recommended Applications Al2...
  • New Arrival China Magnesium Aluminate Spinel - Fused Alumina Magnesia Spinel – Yufa

    New Arrival China Magnesium Aluminate Spinel - Fused Alumina Magnesia Spinel – Yufa

    Grit and Fine Powder 0.1-0 mm, 0.2-0 mm, 0.5-0 mm, 1-0 mm, 1-0.5 mm, 3-1 mm,  5-3 mm, 8-5 mm, 10-5 mm, 25-10 mm, 100 mesh, 200 mesh, 325 mesh …… Other spec are available upon request. Product Advantages   1.The application of advanced electric arc tiliting furnace production increases the smelting temperature and can maintain a constant high temperature production, thereby improving the quality of the aluminum-magnesium spinel. 2. Accor...
  • 2021 High quality Electro Corundum - Fused Dense Corundum – Yufa

    2021 High quality Electro Corundum - Fused Dense Corundum – Yufa

    Grit and Fine Powder 0.1-0 mm, 0.2-0 mm, 0.5-0 mm, 1-0 mm, 1-0.5 mm, 3-1 mm,  5-3 mm, 8-5 mm, 10-5 mm, 25-10 mm, 100 mesh, 200 mesh, 325 mesh …… Other spec are available upon request. Product Advantages 1. Select high-quality industrial alumina, which is high purity, low impurities. YUFA control quality from raw materials. 2. Fused dense alumina has a high melting point and a high-volume density, which melted at high temperature and constant temperatu...
  • Good Quality Fused Alumina Magnesia Spinel - Fused Alumina Magnesia Spinel – Yufa

    Good Quality Fused Alumina Magnesia Spinel - Fused Alumina Magnesia Spinel – Yufa

    Grit and Fine Powder 0.1-0 mm, 0.2-0 mm, 0.5-0 mm, 1-0 mm, 1-0.5 mm, 3-1 mm,  5-3 mm, 8-5 mm, 10-5 mm, 25-10 mm, 100 mesh, 200 mesh, 325 mesh …… Other spec are available upon request. Product Advantages   1.The application of advanced electric arc tiliting furnace production increases the smelting temperature and can maintain a constant high temperature production, thereby improving the quality of the aluminum-magnesium spinel. 2. Accor...
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