Popular Design for Polyhedral Hollow Ball Supplier - 92% Inert Alumina Ball – Catalyst Support Media – Kelley

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Popular Design for Polyhedral Hollow Ball Supplier - 92% Inert Alumina Ball – Catalyst Support Media – Kelley Detail:

Application

92% AL2O3 inert alumina ball is widely used in petroleum, chemical, fertilizer, gas, environmental protection and other industries. It is used as a catalyst covering carrier material and tower packing in the reactor. It has high temperature resistance, high pressure, low water absorption, stable chemical performance, and Withstand the erosion of organic solvents such as acids and alkalis, and can withstand temperature changes during the production process. Its main function is to increase the distribution point of gas or liquid, support and protect the catalyst with low strength.

Chemical Composition

Al2O3+SiO2	Al2O3	Fe2O3	MgO	K2O+Na2O+CaO	Other
> 94%	92%	<1%	0.1%	<1%	<0.5%

Leach able Fe2O3 is less than 0.1%

Physical Properties

Item	Value
Water absorption (%)	<4
Bulk density (g/cm3)	1.8-2.0
Specific gravity (g/cm3)	3.6
Free volume (%)	40
Operation temp.(max) (℃)	1550
Moh’s hardness (scale)	>9
Acid resistance (%)	>99.6
Alkali resistance (%)	>85

Crush Strength

Size	Crush strength
Size	Kgf/particle	KN/particle
1/8”(3mm)	>40	>0.4
1/4”(6mm)	>80	>0.8
3/8”(10mm)	>190	>1.90
1/2”(13mm)	>580	>5.8
3/4”(19mm)	>900	>9.0
1”(25mm)	>1200	>12.0
1-1/2”(38mm)	>1800	>18.0
2”(50mm)	>2150	>21.5

Size and Tolerance (mm)

Size	3/6/9	9/13	19/25/38	50
Tolerance	±1.0	±1.5	±2	±2.5

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