棕刚玉
  
  棕刚玉,韧性高,显微硬度1800-2200Kg/mm2。用其制成的磨具,适于磨削抗张强度较高的金属,如各种通用钢材,可锻铸铁和硬青铜等。也可用于制造高级耐火材料等。
  Brown aluminium oxide has igh touthness , Micro hardness is 1800-2200kg/mm2 . A brasive articles made of it are suited for grinding metals of high-tensile strength such as steeke , annealed malleable iron and hard high-class refractory products
混合砂(毫米)
Mixed Sizes(mm) 主要化学成分(%)
Main Chemical conten 其他化学成分(%)
Other Chemical content
一、 棕刚玉分段砂 (Group size of brown Fused Alumina )
  根据用户需要,可提供棕刚玉各种规格分段砂和混合砂。其参考化学成分如右:
  According to customer requirement, various spec . Of group sizes and mixed sizes also can be supplied . Its reference chemical composition is as followin
分段砂(毫米)
Group size(mm)
主要化学成分(%)
Main Chemical content
其他化学成分(%)
Other Chemical content
8-5
5-3
3-1
1-0
Al2O3≥95.4
SiO2<1.5 MgO<0.4
TiO2<3.8 Fe2O3<0.2
CaO<0.5
混合砂(毫米)
Mixed Sizes(mm)
主要化学成分(%)
Main Chemical conten
其他化学成分(%)
Other Chemical content
25-0
10-0
5-0
3-0
Al2O3≥95
SiO2<1.5
TiO2<3.8 Fe2O3<0.2
二、 棕刚玉粒度 (Grit size of Brown Fused Alumina)
棕刚玉化学成分
CHEMICAL COMPOSITION OF
VROWN ALMINIUM OXIDE
磁性物含量
MAGNETIC MATTER CONTENT
粒度
Grit size
化学成分%(按重量百分比)
CHEMICAL COMPOSITION%(by weight)
粒度
Grit size
含量
CONTENT%
Al2O3
TiO2
16#-30#
≤0.0380
4#-90#
94.50-97.00
1.50-3.80
36#-60#
≤0.0280
100#-180#
940%
1.50-3.80
70#-1200#
≤0.0230
220#-240#
93.50%
1.50-3.80
150#-240#
≤0.0170
 
 
     
 

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