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Inert alumina ceramic balls are widely used as the packing for covering and supporting in various reactors and fractionators

Inert Alumina Ceramic Balls

 

1 Introduction:

Inert alumina ceramic balls are widely used as the packing for covering and supporting in various reactors and fractionators in petrochemical, coal chemical, fine chemical and natural gas plants. This product has good performances, with some indexes exceeding foreign products.

2.Main physio-chemical performance indexes:

 

Exterior	White clean balls, without cracks			Remarks
Physical properties	Contents of chemical components, %			1. The total amount of Al2O3 and SiO2 is ≥92   2. The contents of Al2O3 and SiO2 may be adjusted according to the customers requirements
Bulk density, g/cm3	2.32.8	Al2O3	3085
Heat conduction coefficient, Kcal/mh	≥0.7	SiO2	7-62
Water adsorption, %	≤1	Fe2O3	<1
Heat resistance temp.,	1300-1700	CaO	<1.5
Specific heat, Cal/g	0.15-0.20	Na2O	<1.5
Quenching test,	800-20 (No cracking for 3 times)	MgO	<1
Acid resistance, %	≥98	K2O	<2.5
Alkali resistance, %	≥82
Mohs hardness	≥6.5

 

3.Specifications and strength of inert alumina ceramic balls:

 

Specifications, mm	φ3	φ6	φ9	φ12	φ16	φ19	φ25	φ30-50
Diameter error, mm	±0.5	±0.8	±1.0	±1.2	±1.4	±1.5	±1.8	±2.0
Crushing strength, N/g	>130	>440	>1050	>1120	>1200	>1300	>1500	>1500
Note: When Al2O3 >65%, its crushing strength is twice of the above-stated #118alues accordingly.

4 Packing:

(1) Ceramic balls with openings are packed in plastic weave package or iron drum, inner lined with plastic film. Net weight is 500, 700, or 1000kg per package, or 200L/iron drum;

(2) According to the customers demand.

Inert ceramic balls