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Inert Ceramic Balls
Inert ceramic balls can stand-up high atmospheric pressure and temperature, low water absorption, corrosion resistance and steady chemical property. It is widely used in petro chemical, fertilizer, coal gas, environmental-protecting etc. to support and cover the catalyst.
Chemical Composition
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Chemical Composition
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Content
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Al2O3
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(Normal Value+4)%
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Al2O3+SiO2
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≥92%
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Fe2O3
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<1%
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Chemical and Physical Property
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Main crystal phase
Al2O3% Content
Item
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Feldspar
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Feldspar-mullite
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Mullite
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Mullite corundum
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Corundum
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20-30
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30-45
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45-70
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70-90
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≥90
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Water absorption %
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≤5
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Acid resistance %
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|
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≥98
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Alkali resistance %
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≥80
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≥82
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≥85
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≥90
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≥95
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Thermal shcking, °C
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≥130
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≥200
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≥500
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≥700
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≥800
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Crushing Strength
N/piece
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Φ3
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≥0.12
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≥0.14
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≥0.14
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≥0.16
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≥0.20
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Φ6
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≥0.40
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≥0.42
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≥0.44
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≥0.48
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≥0.50
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Φ8
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≥0.48
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≥0.52
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≥0.60
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≥0.62
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≥0.65
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Φ10
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≥0.60
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≥0.70
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≥0.80
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≥0.90
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≥1.00
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Φ13
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≥1.00
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≥1.10
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≥1.30
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≥1.50
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≥1.80
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Φ16
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≥1.50
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≥1.60
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≥1.80
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≥2.30
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≥2.60
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Φ20
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≥1.80
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≥2.00
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≥2.30
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≥2.80
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≥3.20
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Φ25
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≥2.50
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≥2.78
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≥3.20
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≥3.60
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≥4.02
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Φ30
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≥3.00
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≥3.20
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≥3.50
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≥4.00
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≥4.50
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Φ38
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≥4.00
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≥4.50
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≥5.00
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≥5.50
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≥6.00
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Φ50
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≥6.00
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≥6.50
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≥7.00
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8.50
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≥10.0
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Φ75
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≥10.0
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≥11.0
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≥12.0
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14.0
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≥15.0
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kg/m3
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1300-1400
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1400-1500
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1500-1600
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1600-1800
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>1800
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