登封市卢店镇星光耐材磨料磨具厂

主营:地坪,人造磨料,天然磨料,石英,砂轮

黑刚玉微粉

¥3800元/吨 中国

产品属性



【星光耐材】厂家****生产黑刚玉 ****黑刚玉细粉 ********

黑刚玉是以****的铝矾土为主原料,经电弧炉精练而成。而后经过完整的科学加工程序进行加工,铝含量大于80%。产品硬度适中,韧性较大*棱角锋利,自锐性强,抛光加工工件洁度高,其抛光性能大大高于国内外其他同类产品,广泛应用于餐具行业,电镀行业,金属表面处理行业,玻璃制品行业,目前,****为广泛地应用于不锈钢餐厨具,灯具灯饰摩托车零件,汽车配件等中等硬度材料的精细抛光,其抛光的各种性能、效果可于日本黑刚玉砂相媲美。目前,是公认的国内****替代是用国外黑刚玉砂进口材料的黑刚玉抛光

Black corundum

Black corundum is also known as low aluminum corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made α-Al2O3 and ferropicotite a*ain ore in the electric arc furnace by *elting the bauxite. It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It i*ainly suitable for free grinding, such as coarse grinding before electroplating product*ainly for polishing and sandblasting of stainless steel, fabricated metal products.

Black corundum physical and chemical indicators:

Black corundum is also known as low aluminum corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made α-Al2O3 and ferropicotite a*ain ore in the electric arc furnace by *elting the bauxite. It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It i*ainly suitable for free grinding, such as coarse grinding before electroplating product*ainly for polishing and sandblasting of stainless steel, fabricated metal products.

Black corundum physical and chemical indicators:

Specifications

Main Chemical Com*ition %

Al2O3

Fe2O3

SiO2

BA—Ⅰ

81—85

9—11

≤8

BA—Ⅱ

75—80

10—12

≤10

Black corundum physical performance indicators:

Item

Indicators

Color

Black

Crystal

Trigonal system

Hardnes*ohs)

≥ 9.0

Melting point (℃)

2050

The maximum temperature (℃)

1850

True Density (g/cm3)

≥ 3. 50

Linear expansion coefficient (0-1600 ℃)

7-9





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