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SINABUDDY MINERAL CO.LTD.
[ Henan, China (Mainland) ]

    Main Products:
  • White Aluminum Oxide
  • Brown Aluminum Oxide
  • Black Silicon Carbide
    Business Type:
  • Manufacturer

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Products (20)

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Black Aluminum Oxide

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Product Details

Henan, China (Mainland)

Block

Irregular

FEPA

F280～F1200

Blasting

Payment & Shipping Terms

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Detailed Product Description

Black Fused Alumina selects and uses bauxite, iron oxide raw materials and adds to other microelement aborative smelt by tilting arc furnace, ensuring all the piece shape black corundum were high grade product. Few impurity, high grade and stable quality, which prepares the ground for producing grain-size sands and micro-powder with moderate rigidity, fine tenacity and excellent service performance
The main chemical components of segment sand and grain-size sand：
    Segment sand 0-1mm, 1-3mm 3-5mm：     Al2O3≥73％
    #8～#80    Al2O3≥73％
    #90～#400   Al2O3≥67％
The main chemical components of the choicest goods:
    #16～#80    Al2O3≥82％
    #90～#250   Al2O3≥80％
    F280～F1200   Al2O3≥73％
Administer Standard of Grain-size Sand:
Grain-size Mark
Maximum Thick Grain
Thick Grain
Basic Grain
Mixed Grain
Thin Grain
100% Pass Below Select Number
No Pass Select Number
Weight less than（%）
No Pass Select Number
Weight More Than（%） 
No Pass Select Number
Weight More Than（%）
Pass Below Select Number Most 2.5%
12 #
7
10
18
12
48
12 14
73
16
14 #
8
12
18
14
48
14 16
73
18
16 #
10
14
18
16
48
16 18
73
20
20 #
12
16
18
18
48
18 20
73
25
22 #
14
18
18
20
48
20 25
73
30
24 #
16
20
23
25
48
25 30
68
35
30 #
18
25
23
30
48
30 35
68
40
36 #
20
30
23
35
48
35 40
68
45
40#
25
35
23
40
48
40 45
68
50
46 #
30
40
28
45
43
45 50
68
60
54 #
35
45
28
50
43
50 60
68
70
60 #
40
50
28
60
43
60 70
68
80
70 #
45
60
23
70
43
70 80
68
100
80 #
50
70
23
80
43
80 100
68
120
90#
60
80
18
100
43
100 120
68
140
100#
70
100
18
120
43
120 140
68
200
120#
80
120
18
140
43
140 170
68
230
150#
100
140
13
200
43
200 230
68
325(3)
180#
120
170
13
230
43
230 270
68
325（≤5 ）
220#
140
200
15
230 270
53
230 270 325
78
 
Administer Standard of Micro-powder (Subside Pipe Grain-size apparatus):
Grain-size Number
ds0 Biggest （µm ）
ds3 Biggest（ µm ）
ds50 Median Grain Diameter（ µm ）
ds95 Least（ µm ）
F230
101
77
55.7 ± 3.0
38
F240
94
68
47.5 ± 2.0
32
F 280
87
60
39.9 ± 1.5
25
F 320
77
52
32.8 ± 1.5
19
F 360
72
46
26.7 ± 1.5
14
F 400
67
39
21.4 ± 1.0
10
F 500
63
34
17.1 ± 1.0
7
F 600
58
30
13.7 ± 1.0
4.6
F 800
58
26
11.0 ± 1.0
3.5
F 1000
50
23
9.1 ± 0.8
2.4
F 1200
50
20
7.6 ± 0.5
2.4( ds80)
 
 
 

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