棕剛玉是以優(yōu)質(zhì)磨料級礬土為原料，配以輔料，于電弧爐中經(jīng)2250℃以上高溫精煉制成。其自銳性好、磨削力強 。
棕剛玉主要用在：
5:精密鑄造模殼制作
銳石牌棕剛玉理化指標：
|
用途 |
規(guī)格 |
主要化學成分% |
磁性物% |
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|
Al2O3 |
Fe2O3 |
SiO2 |
TiO2 |
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|
磨料 |
F |
4#—80# |
≥95 |
≤0.3 |
≤1.5 |
≤3.0 |
≤0.05 |
|
90#—150# |
≥94 |
≤0.03 |
|||||
|
180#—240# |
≥93 |
≤0.3 |
≤1.5 |
≤3.5 |
≤0.02 |
||
|
P |
8#—80# |
≥95.0 |
≤0.2 |
≤1.2 |
≤3.0 |
≤0.05 |
|
|
100#—150# |
≥94.0 |
≤0.03 |
|||||
|
180#—220# |
≥93.0 |
≤0.3 |
≤1.5 |
≤3.5 |
≤0.02 |
||
|
W |
1#-63# |
≥92.5 |
≤0.5 |
≤1.8 |
≤4.0 |
— |
|
|
耐火 |
段砂 |
0-1mm |
≥95 |
≤0.3 |
≤1.5 |
≤3.0 |
— |
|
25-0mm |
≥95 |
≤0.3 |
≤1.5 |
≤3.0 |
— |
||
|
細粉 |
180#-0 |
≥94.5≥93.5 |
≤0.5 |
≤1.5 |
≤3.5 |
— |
|
注：F為固結(jié)磨具及噴砂用規(guī)格
P為涂附磨具用規(guī)格
W為微粉，320#即W40
| 棕剛玉物理性能： | |||||||||||||||||
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