China factory direct sale Denston 57 Industrial Ceramic Ball
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Product Name: China factory direct sale Denston 57 Industrial Ceramic Ball
Product Model: BS-ICB
Products Exhibitors: Baisheng
Product Documentation: No Related Documents
Brief
Denston 57 Industrial Ceramic Ball is equivalent to D57 Alumina Ball, used to support and cover catalyst
Detailed description
Denston 57 Industrial Ceramic Ball
1. Product Introduction
D57 alumina ball are used supporting and covering catalyst for reactors in oil refinery, chemical, fertilizer, natural gas and environment protection industries, it can improve the distribution of gas and liquid; protect the catalyst from shocking by the rushing fluids.have the advantages of high strength, high stabilities to chemical and thermal circumstances. It can resistant to acid alkali, salt and all organic solvents.
2. Chemical Composition of D57 alumina ball
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Al2O3
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>23%
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SiO2
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67~69
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Al2O3+SiO2
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≥90 %
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Fe2O3
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≤1 %
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3. Physical Properties D57 alumina ball
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Water absorption
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≤2 %
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Acid resistance
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≥98 %
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Alkali resistance
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?80 %
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Thermal resistance
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≥1300 ℃
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Roundness (Dmax/Dmin)
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< 1.25
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Volume
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40~50 %
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Material density
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2.2~2.4 g/cm3
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BET-surface
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< 0.1 m2/g
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Expansion coefficient
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4.7 x 10-6 L/K
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Spec. thermal energy
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~0.84 kJ/(kg.K)
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Thermal conductivity
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~0.63 m. h.K
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Mohs-hardness
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~8 Mohs
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