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Product Details

Specifications

KANGYU Alumina Ball.
Al2O3: 17~23%
Size:3mm~50mm
Application: Support Media of Chemical Tower

KANGYU 17~23% Alumina Ball

Introduction

KANGYU inert ceramic balls are widely used support media in the world it has quite excellent stability, high mechanical strengthand resistance to thermal shock, This makes them all ideal choice for support of all types of catalyst..

Chemical composition

Typical Technical Composition	Min. %	Max. %	Usual %
SiO2	64.00	75.00	68.40
Al2O3	19.00	26.00	24.50
Fe2O3	******	0.12	0.10
TiO2	******	1.40	0.96
CaO	******	0.65	0.42
MgO	******	0.60	0.38
Na2O	******	2.00	1.12
K2O	******	3.50	3.28
Al2O3 + SiO2	90.00	96.00	92.90

Physical properties

Index	Value	Value
Leachable Iron	≤ 0.1%	******
Apparent Porosity by Weight, dia. ≥ 10mm	≤ 0.4%	******
Apparent Porosity by Weight, dia. = 6mm	≤ 1.0%	******
Apparent Porosity by Weight, dia. = 3mm	≤ 1.0%	******
Moh's Hardness Scale	>6.5	******
Water Absorption	<1.0wt.%	******
Acid Resistance	>99.8%	******
Thermal Conductivity	0.9-1.0 w/m 2 .k	******
Thermal Expansion @ 500	0.20%	******
Specific Heat	628-837 j/kgq	******
Thermal Shock Stability, 500 then water cooling	10 times	******
Max. Operating Temperature	1050	1922
Specific Density	2,350 kg /m 3	146 lb /ft 3
Bulk Density (Packing Density)	1,350 g /cm 3	84 lb /ft 3