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(1) Product Description
Slotted & Perforated Ceramic Balls is a new product developed on the basis of HQ-HK perforated by slotting for symmetrical slots on the sphere. It can increase the free volume and flux of the fluids and, decrease the resistance of the system. Furthermore, as a new efficient support and covering material of catalyst, it can be widely used in oil refinery, chemical, fertilizer, natural gas and environmental protection industries.
(2) Technical Specification
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Type
|
Feldspar
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Feldspar-
Mullite
|
Mullite
|
Mullite-
Corundum
|
Corundum
|
|
Item
|
|
Chemical composition%
|
Al2O3
|
20-30
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30-45
|
45-70
|
70-90
|
≥90
|
|
Al2O3+SiO2
|
≥90
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|
Fe2O3
|
≤1
|
|
Water absorption, %
|
≤5
|
|
Acid resistance, %
|
≥98
|
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Alkali resistance,%
|
≥80
|
≥82
|
≥85
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≥90
|
≥95
|
|
Thermal resistance ,℃
|
≥1300
|
≥1400
|
≥1500
|
≥1600
|
≥1700
|
|
Crushing strength
N/grain
|
Φ３
|
≥400
|
≥420
|
≥440
|
≥480
|
≥500
|
|
Φ６
|
≥480
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≥520
|
≥600
|
≥620
|
≥650
|
|
Φ８
|
≥600
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≥700
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≥800
|
≥900
|
≥1000
|
|
Φ10
|
≥1000
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≥1100
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≥1300
|
≥1500
|
≥1800
|
|
Φ13
|
≥1500
|
≥1600
|
≥1800
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≥2300
|
≥2600
|
|
Φ16
|
≥1800
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≥2000
|
≥2300
|
≥2800
|
≥3200
|
|
Φ20
|
≥2500
|
≥2800
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≥3200
|
≥3600
|
≥4000
|
|
Φ25
|
≥3000
|
≥3200
|
≥3500
|
≥4000
|
≥4500
|
|
Φ30
|
≥4000
|
≥4500
|
≥5000
|
≥5500
|
≥6000
|
|
Φ38
|
≥6000
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≥6500
|
≥7000
|
≥8500
|
≥10000
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|
Φ50
|
≥8000
|
≥8500
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≥9000
|
≥10000
|
≥12000
|
|
Φ75
|
≥10000
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≥11000
|
≥12000
|
≥14000
|
≥15000
|
|
Bulk density, kg/m3
|
1100-1200
|
1200-1300
|
1300-1400
|
1400-1550
|
≥1550
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|
Note: The data of bulk density is given for reference only, not as the acceptance criterion.
|
(3) Size
|
Diameter,Φ
|
6
|
8
|
10
|
13
|
16
|
20
|
25
|
30
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38
|
50
|
60
|
75
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Tolerance,mm
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±1.0
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±1.5
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±2.0
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±3.0
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Diameter of hole,mm
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2-3
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3-5
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5-8
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8-10
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