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蘇州金星磨料有限公司    

棕剛玉


棕剛玉磨料,棕剛玉,棕剛玉微粉,棕剛玉精密鑄造砂
BROWN FUSED ALUMINA(A)
棕剛玉磨料以鋁礬土為主要原料經高溫熔煉而成。呈棕褐色,硬度高、韌性大。用其制造的磨具,適用于碳素鋼、可鍛鑄鐵、硬青銅等的磨削。此外在耐火材料、化工添加劑、精密鑄造及防滑材料等方面也有廣泛應用。
The main material of brown fused alumina is bauxite,which is electrically fused in high temperature.It is brown and features high hardness and toughness.The abrasive tools made of it are suitable for the grinding of car bon steel,malleable castiron,hard bronze,etc.In addition,they are also used as refractory materials,chemical additive,precision founding and anti-sliding materrials.

牌號(代號)Code

粒度范圍Grit size range

化學成分%Chemical composition%

AI2O3

TiO2

CaO

A

A-P1

F4-F80

95.0-97.5

1.5-3.8

0.45

F90-F1500

94.0-97.5

F180-F220

93.0-97.5

F220(P220)
以細FINER

92.0

<br/>棕剛玉磨料物理性能:Physical property<br/>

基本礦物Basic minerals

晶體尺寸Crystal size?? μm

真比量
True density?? g/cm3

堆積密度Bulk density? g/cm3

顯微硬度Knoop hardness g/mm2

α— AI2O3

300~1200

3.90

1.5~1.95

1800~2200


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