سیاه اکسید آلومینیوم

توضیح کوتاه:

Black aluminium oxide is also known as low aluminum corundum. (AI2O3) content is 70% ~ 80%, containing more silicon oxide and titanium oxide impurities, It is also a new type product of polishing material, and it is a dark gray crystal body made 伪Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite.It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It is mainly suitable for free grinding, ...


  • Name: Black Fused Alumina
  • Color: Black
  • مشخصات محصول

    Black aluminium oxide is also known as low aluminum corundum. (AI2O3) content is 70% ~ 80%, containing more silicon oxide and titanium oxide impurities, It is also a new type product of polishing material, and it is a dark gray crystal body made 伪Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite.It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It is mainly suitable for free grinding, such as coarse grinding before electroplating products, mainly for polishing and sandblasting of stainless steel, fabricated metal products.

    اندازه دانه: 12-220؛
    Micropowder: 240-1200.

    شخصیت
    Aluminum oxide (AI2O3) content of 70% to 80%, containing more impurities such as silicon oxide and titanium oxide, a black corundum.Mainly used for stainless steel, metal products, optical glass, bamboo products, polishing and sand blasting, is manufacturing a resin grinding wheel, cutting discs, abrasive emery novel

    داده های تکنیکی

    مشخصات

    شیمیایی٪

    Al2O3 به

    Fe2O3 می

    به SiO2

    TiO2 به

    درجه

    85

    6/9

    5-8

    2-4

    درجه B

    <80

    > 9

    > 8

    > 4

     

    مورد

    شاخص ها

    رنگ

    سیاه

    کریستال

    سیستم trigonal

    سختی (موس)

    ≥ 9.0

    نقطه ذوب (درجه سانتی گراد)

    2050

    حداکثر درجه حرارت (° C)

    1850

    دانسیته واقعی (g / cm3 است)

    ≥ 3. 50

    ضریب انبساط خطی (0-1600 ° C)

    7-9

     APPLICATION

    سنگ زنی رایگان. آبکاری قطعات فلزی مانند مقابل آلومینیوم جلا زیرین.
    2. bicycles. motorcycles. sewing machines. watches and components.
    Polishing
    3. lighting. plastic and metal tools. etc.. are also applicable to blasting (blasting. glass spray).
    4. processing materials. manufacturing resin-cutting. angle grinding and coated abrasives. etc..
    5. black corundum grain of sand and powder is particularly suitable for polishing stainless steel parts and Whetstone. grinding paste manufacturing.
    6. black corundum of sand is the preferred material for the next slip road and coal pits warehousing.


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