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棕刚玉 玻璃珠 白刚玉 金刚砂

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 白刚玉是以氧化铝为原料,经高温熔炼而成。呈白色,硬度比棕刚玉略高,韧性稍低。用其制造的磨具适用于高碳钢、高速钢和淬火钢等的磨削。可作研磨抛光材料,还可作精密铸造型砂、喷涂材料、化工触媒载体、特种陶瓷、耐火材料等。
  lts main.raw material bayer alumina.which is electrically fused in temperature.lt is white and its hardness is higher,but toughness lower than that of brown fused alumina.The abrasive tools made of it are suitable for the grinding of high carbon steel,high speed steel and chilled steel.lt also be used as polishing materials and precision precision founding sand,spraying and coating materials,catalyst carrier,special ceramics and super refractory materials.
化学成分:
Chemical composition

Al2O3%
Na2O(%)
F12-F80
≥99.3
≤0.45
F90-F150
≥99.2
≤0.45
F180-F220
≥99.0
≤0.45


物理性能
Physical property

基本矿物
Basic minerals
晶体尺寸
Crystal size
μm
真比重
True density
g/cm3
堆积密度
Bulk density
g/ cm3
显微硬度
Knoop hardness
kg/mm2
α-Al2O3
600-1400
≥3.90
1.5-1.95
2200-2300

 
 呈白色,较棕刚玉硬而脆,切削力较强。化学稳定性好,具有很好的绝缘性。显微硬度2200-2300kg/mm2

  可做固结磨具及涂附磨具,湿式或干式喷射砂,超精研磨及制作耐火材料等。适合加工淬火钢、合金钢、高速钢、高碳钢等硬度较强、抗张强度较大的材料。也适应压电晶体、半导体、单晶硅、多晶硅的研磨抛光,还可用作触媒体、绝缘体、特种陶瓷以及耐火材料等。
 
棕刚玉是以铝矾土为主要原料,经高温溶炼而成。呈棕褐色、硬度高、韧性大。用其制造的磨具,适用于碳素钢、可锻铸铁、硬青铜等的磨削。此外在耐火材料、化工添加剂、精密铸造及防滑材料等方面也有广泛应用。
  The main material lr brown fused alumina is bauxite.which is electrically fused in high temperature.it is brown and featured high hardness and toughness.The abrasive tools made of it are suitable for the grinding of carbon steel.malleable cast iron,hard bronze.etc.ln addition.they are used as refractory materials,chemical additive,precision founding and anti-sliding materials.
 

化学成份:Chemical composition
牌号(代号)
 Code
粒度范围
Grit size range
化学成分% Chemical composition%
Al2O3
TiO3
CaO
A
A-P1
F4-F80
(P12-P80)
95.0-97.5
1.5-3.8
≤0.45
F90-F150
(P100-P150)
94.0-97.5
F180-F220
(P180-P220)
93.0-97.5
F220(P220)以细finer
≥92.0

物理性能:
Physical property
基本矿物
Basic minerals
晶体尺寸
Crystal size
μm
真比重
True density
g/cm3
堆积密度
Bulk density
g/ cm3
显微硬度
Knoop hardness
kg/mm2
α-Al2O3
300-12000
≥3.90
1.5-1.95
1800-2200

水洗棕刚玉P
Water-washed P grains of brown fused alumina
粒度号Grit size
清洁度Cleanness
AP50
120
AP80
130
棕刚玉整形砂
The shaped brown fused slumina
粒度号
Grit size
堆积密度
Bulk density
g/cm3
粒度号
Grit size
堆积密度
Bulk density
g/cm3
F24
1.8-1.95
F80
1.61-1.71
F30
1.77-1.90
F90
1.59-1.71
F36
1.75-1.90
F100
1.57-1.68
F40
1.73-1.86
F120
1.54-1.68
F46
1.70-1.84
F150
1.50-1.65
F54
1.68-1.82
F180
1.48-1.62
F60
1.66-1.80
F220
1.45-1.55
F70
1.63-1.76
 
 
 

 
 
 
铬刚玉(PA
PINK
 FUSED ALUMINAPA

铬刚玉是以氧化铝为主要原料,适配氧化铬等。经高温熔炼而成。呈粉红色、硬度与白刚玉近似,韧性比白刚玉高。用其制造的磨具,度好,磨加工光洁度高。适用于量具,机床主轴,仪表零件、螺纹工件及样板磨等精密磨削。
  lts main material is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.
化学成分:Chemical composition
低铬
Low chromium
中铬
Medium chromium
高铬
High chromium
Al2O3
%
Cr2O3
%
Na2O
%
Al2O3
%
Cr2O3
%
Na2O
%
Al2O3
%
Cr2O3
%
Na2O
%
F12-F80
≥98.50
0.20-0.45
≤0.50
≥98.20
>0.45-1.00
≤0.55
≥97.40
>1.00-2.00
≤0.55
F90-F150
≥98.50
≤0.50
≥98.20
≤0.60
≥97.00
≤0.60
联系方式
  • 联系人: 陈利 先生
  • 职位: 经理
  • 真: 0532-68017155
  • 电话: 0532-686818005
  • 手机: 18953277399
  • 址: 山东省 青岛市 青岛市城阳区棘洪滩北万工业园 电话13589288854
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