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OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda

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Our eternal pursuits are the attitude of regard the market, regard the custom, regard the science and the theory of quality the basic, belief the very first and management the advanced for Shot Blast Machine, Portable Water Jet Cutting Machine, Raw Corundum, We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda Detail:

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Brown fused alumina bauxite as raw material, coal, iron, high temperature above 2000 degrees hitches in arc smelting, the mill grinding plastic, magnetic separation to iron, screen is divided into a variety of particle size, dense texture, high hardness, particle formed globular, high consolidation is suitable for making ceramic, resin abrasive and grinding, polishing, sandblasting, casting, etc., can also be used for manufacturing advanced refractories.

Brown corundum its main functions:
1. Because of its high strength and other properties, it is used to cast steel sliding nozzle, smelting rare metals, special alloys, ceramics, blast furnace lining (wall and pipe); Physical and chemical ware, spark plug, heat – resistant oxidation – resistant coating.
2. Because of the characteristics of hardness, good sex, high strength, in the chemical system, used as a variety of reaction vessels and pipes, chemical pump parts; Do mechanical parts, all kinds of molds, such as wire drawing mold, squeeze pencil core mold mouth, etc.; Do tools, mold abrasives, bullet-proof materials, human joints, sealing ring and so on.
3. Corundum insulation materials, such as corundum light brick, corundum hollow ball and fiber products, used in a variety of high temperature furnace wall and top, both heat preservation. Emery particle size sand is made of artificial emery block, using roller, ball grinding, barmark and other equipment processing, particle size by F8-F325. Mainly used for polishing, grinding, industrial grinding, etc., can also be washed according to customer requirements, pickling and other processing, to meet the different needs of customers.

Low carbon brown corundum after furnace and special process of reprocessing, reduce the content of residual carbon in brown corundum, so that the product in use is not pulverized, not burst, toughness is abrasives industry, refractory industry raw materials. Mainly used for ceramic abrades, abrades, organic abrades, belts, coated abrades, etc., according to the residual carbon content is divided into: calcined brown corundum C ≤0.05%, low carbon brown corundum C ≤0.10%, ordinary brown corundum C ≤0.15%.

Technical Parameters

Product name Models Leading indicator Density Appearance Hardness(mohs) Micro hardness Melting point(ºC) Max temperature(ºC) Bulk density(g/cm3) Application Size Abrasive Grain Sizes
Brown fused alumina AL2O3 Fe2O3 SiO2
A+ ≥95 ≤0.3 ≤0.5 3.85g/cm3 Brownish red particle ≥9.0 HV2200-2300 2250 1900 1.75-1.95g/cm3 Refractory materials, fine casting 16#-325# or According Customer Required F12-F1200, 0-1mm, 1-3mm, 3-5mm, 5-8mm, 8-12mm
A ≥90 ≤0.3 ≤0.5 Black granular gray powdery Polish, grind
B+ ≥85 ≤0.3 ≤0.5 Black granular gray powdery Grinding, grinding wheel, cutting pieces, sandblasting
B ≥80 ≤0.3 ≤0.5 Black granular gray powdery Polish, grind
C ≥70 ≤0.3 ≤0.5 Black granular gray powdery epoxy

Product detail pictures:

OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda detail pictures

OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda detail pictures

OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda detail pictures

OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda detail pictures

OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda detail pictures

OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda detail pictures


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We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for OEM/ODM Supplier Glass Beads - High hardness refractory Brown Fused Alumina – Junda , The product will supply to all over the world, such as: Houston, Sevilla, Accra, Our company has already had a lot of top factories and professional technology teams in China, offering the best products, techniques and services to worldwide customers. Honesty is our principle, professional operation is our work, service is our goal, and customers' satisfaction is our future!
  • Managers are visionary, they have the idea of mutual benefits, continuous improvement and innovation, we have a pleasant conversation and Cooperation.
    5 Stars By Madeline from Morocco - 2018.06.12 16:22
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Joyce from Irish - 2017.08.28 16:02
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