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ISO9001:2008, Over 18 years professional manufacture for alumina ball. - details see: https://www.machineto.com/catalyst-support-media-alumina-balls-in-extraction-column-10297440

Chemical composition

Typical Technical Composition	Min. %	Max. %	Usual %
SiO2	******	0.20	0.18
Al2O3	99.00	99.60	99.30
Fe2O3	******	0.20	0.02
TiO2	******	0.55	0.02
CaO	******	0.10	0.20
MgO	******	0.10	0.05
Na2O	******	0.25	0.10
K2O	******	0.20	0.13

Physical properties

Index	Value	Value
Leachable Iron	≤ 0.01%
Apparent Porosity by Weight	≤ 7.0%
Moh's Hardness Scale	>8.0
Water Absorption	<4.0wt.%
Acid Resistance	>99.8%
Thermal Conductivity	0.7-0.8 w/m 2 .k
Thermal Expansion @ 500°C	0.10%
Thermal Shock Stability, 1000°C then water cooling	10 times
Max. Operating Temperature	1550 °C	2822 °F
Specific Density	3,400 kg /m 3	212 lb /ft 3
Bulk Density (Packing Density)	2,100 g /cm 3	131 lb /ft 3

Crush Strength

Size /		Crush Strength
Nominal Size		(lbs)	(kg)	(N/pc)
mm	inch	min.	min.	min.
3	1/8	115	52	510
6	1/4	230	105	1030
10	3/8	440	200	1961
13	1/2	1355	615	6031
16	5/8	1720	780	7650
19	3/4	2315	1050	10297
25	1	3130	1420	13925
38	1-1/2	4034	1830	17946
50	2	4960	2250	22065

Product Properties
1. Low silica content;2. High purity and strength;3. Avoid the problems of leached silica coating downstream equipment or fouling or poisoning the catalyst bed.

Applications:
1.Ammonia production:high temperature resistance up to 1250 degree and high strength resistance up to 3500KPA;2.Methanol and hydrogen production;3.Alkylation process using hydrogen fluoride;4.Naphtha reforming;5.Isomerization