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喷砂棕刚玉是以铝矾土.焦碳（无烟煤）为主要原料，在电弧炉内经高温冶炼而成，主要化学属AL2O3,韧性好，呈棕褐色。适用于玻璃喷砂砂、打砂、磨具原料、金属铸造、不绣钢的研磨，抛光。
东莞旭宝研磨材料有限公司
氧化铝喷砂（棕刚玉）粒度及标准：
|
粒度号 |
粗粒不多于 |
基本粒不少于 |
混合粒不少于 |
细粒不多于 |
|
12#-22# |
18 |
50 |
70 |
2 |
|
24#/30#/36# |
23 |
50 |
65 |
2 |
|
46#/60# |
28 |
45 |
65 |
2 |
|
70#/80# |
23 |
45 |
65 |
2 |
|
90#/100#/120# |
18 |
45 |
65 |
2 |
|
150# |
13 |
45 |
65 |
2 |
|
180# |
13 |
45 |
65 |
|
|
220# |
13 |
45 |
60 |
|
棕刚玉（氧化铝砂）微粉
|
粒度标记 |
d v0值/µm
|
d v3值/µm
|
d v50粒度中值/µm |
d v94*小值/µm |
|
#240 |
127.0 |
103.0 |
57.0±3.0 |
40.0 |
|
#280 |
112.0 |
87.0 |
48.0±3.0 |
33.0 |
|
#320 |
98.0 |
74.0 |
40.0±2.5 |
27.0 |
|
#360 |
86.0 |
66.0 |
35.0±2.0 |
23.0 |
|
#400 |
75.0 |
58.0 |
30.0±2.0 |
20.0 |
|
#500 |
63.0 |
50.0 |
25.0±2.0 |
16.0 |
|
#600 |
53.0 |
43.0 |
20.0±1.5 |
13.0 |
|
#700 |
45.0 |
37.0 |
17.0±1.3 |
11.0 |
|
#800 |
38.0 |
31.0 |
14.0±1.0 |
9.0 |
|
#1000 |
32.0 |
27.0 |
11.5±1.0 |
7.0 |
|
#1200 |
27.0 |
23.0 |
9.5±0.8 |
5.5 |
|
#1500 |
23.0 |
20.0 |
8.0±0.6 |
4.5 |
|
#2000 |
19.0 |
17.0 |
6.7±0.6 |
4.0 |
|
#2500 |
16.0 |
14.0 |
5.5±0.5 |
3.0 |
|
#3000 |
13.0 |
11.0 |
4.0±0.5 |
2.0 |
|
#4000 |
11.0 |
8.0 |
3.0±0.4 |
1.3 |
|
#6000 |
8.0 |
5.0 |
2.0±0.4 |
0.8 |
|
#8000 |
6.0 |
3.5 |
1.2±0.3 |
0.6(75%处） |
