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D57 16~19% Alumina Ball

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Product Name: D57 16~19% Alumina Ball
Product Model: BS-ICB
Products Exhibitors: Baisheng
Product Documentation: No Related Documents

Brief

Our D57 16~19% Alumina Ball is equivalent to D57 Alumina Ball, used to support and cover catalyst


 Detailed description
D57 16~19% Alumina 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

 Al2O3

>23 %

 SiO2

67~69

 Al2O3+SiO2

≥90 %

 Fe2O3

≤1 %



3. Physical Properties D57 alumina ball

Water absorption

2 %

Acid resistance

≥98 %

Alkali resistance

≥80 %

Thermal resistance

≥1300 

Roundness (Dmax/Dmin)

< 1.25

Volume

40~50 %

Material density

2.2~2.4 g/cm3

BET-surface

< 0.1 m2/g

Expansion coefficient

4.7 x 10-6 L/K

Spec. thermal energy

~0.84 kJ/(kg.K)

Thermal conductivity

~0.63 m. h.K

Mohs-hardness

~8 Mohs


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