WA氧化鋁微粉
WA系列是高純度的氧化鋁微粉，在嚴格的粒度分布控制下，分為21級自57微米至0.3微米。普遍運用於研磨低抗張強度的半導體材料與金屬材料上。
|
Particle Size |
Particle size at 50% point |
Stand Pack |
|
#240 |
57.3±3.0 |
5 |
|
#280 |
48.0±3.0 |
5 |
|
#320 |
40.0±2.5 |
5 |
|
#360 |
35.0±2.0 |
5 |
|
#400 |
30.0±2.0 |
5 |
|
#500 |
25.0±2.0 |
5 |
|
#600 |
20.0±1.5 |
5 |
|
#700 |
17.0±1.3 |
4 |
|
#800 |
14.0±1.0 |
4 |
|
#1000 |
11.5±1.0 |
4 |
|
#1200 |
9.5±0.8 |
4 |
|
#1500 |
8.0±0.6 |
4 |
|
#2000 |
6.7±0.6 |
4 |
|
#2500 |
5.5±0.5 |
3 |
|
#3000 |
4.0±0.5 |
3 |
|
#4000 |
3.0±0.4 |
3 |
|
#6000 |
2.0±0.4 |
3 |
|
#8000 |
1.2±0.3 |
2 |
|
#10000 |
0.60 |
2 |
|
#20000 |
0.45 |
1 |
|
#30000 |
0.30 |
1 |
|
Type |
Particle Size |
Specific Gravity |
Chemical Composition (%) |
||||
|
Al2O3 |
SiO2 |
Fe2O3 |
TiO2 |
Na2O |
|||
|
WA |
#240~#3000 |
3.90 |
99.0 |
0.3 |
0.1 |
----- |
0.5 |
|
#4000~#30000 |
3.85 |
96.0 |
1.2 |
0.2 |
----- |
0.7 |
|