GC系列是綠色碳化矽磨粉，是硬度僅次於金鋼石的超硬度研磨粉。中心粒度最細僅0.25微米，故用途十分廣泛，多用於晶體及各類硬金屬的切割、精磨及拋光。
|
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
|
5
|
|
#800
|
14.0±1.0
|
5
|
|
#1000
|
11.5±1.0
|
5
|
|
#1200
|
9.5±0.8
|
5
|
|
#1500
|
8.0±0.6
|
5
|
|
#2000
|
6.7±0.6
|
4
|
|
#2500
|
5.5±0.5
|
4
|
|
#3000
|
4.0±0.5
|
4
|
|
#4000
|
3.0±0.4
|
4
|
|
#6000
|
2.0±0.4
|
3
|
|
#8000
|
1.2±0.3
|
3
|
|
#9000
|
0.80
|
3
|
|
#10000
|
0.60
|
3
|
|
#20000
|
0.35
|
2
|
|
#30000
|
0.25
|
2
|
|
Type
|
Particle Size
|
Specific Gravity
|
Chemical Composition (%)
|
|
SiC
|
C.F
|
Fe.s
|
|
GC
|
#240~#3000
|
3.16
|
96.0
|
0.5
|
0.3
|
|
|
#4000~#30000
|
3.10
|
92.0
|
|
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