Type	Specification	Chemical Composition				Physical Characteristics
		Al203 %	Na2O %	SiO2 %	Fe2O3 %	α-Al203 %	True density g/cm3	Primary Particle Size μm	Specific Surface Area ㎡/g	Mean Particle Size D50, μm
Low Soda Calcined α-Alumina,Original Powder
AL-10	A5113	≥99.5	0.10	0.03	0.02	95	3.95	1	2.2
AL-20	A6032	≥99.6	0.07	0.03	0.02	96	3.96	3	1.2
AL-40	A7041	≥99.6	0.05	0.03	0.02	97	3.97	4	1.0
Low Soda Calcined α-Alumina,Micropowder
AL-1G	A5113g1	≥99.3	0.10	0.15	0.02	95	3.95	1	2.6	1.5±0.5
AL-3G	A6032g3	≥99.5	0.07	0.13	0.02	96	3.96	3	1.8	3±0.5
AL-5G	A7042g5	≥99.5	0.05	0.10	0.02	97	3.97	4	1.2	5±0.5
Main Purpose: spark plug, electronic substrate, electric vacuum tubes, ceramic boby and high-duty refractory, etc.
Medium Soda Calcined α-Alumina,Original Powder
AP-30	A3224	≥99.5	0.18	0.03	0.02	93	3.93	2	3.5	-
AP-40	A5234	≥99.5	0.15	0.03	0.02	95	3.95	3	3.5	-
Medium Soda Calcined α-Alumina,Micropowder
AP-3G	A3224g2	≥99.2	0.18	0.15	0.03	93	3.93	2	3.5	3±0.5
AP-4G	A5234g4	≥99.3	0.15	0.15	0.03	95	3.95	3	3.5	4±0.5
Main Purpose:ceramic roller, high alumina ceramic ball and lining bricks, shaped and monolithic refractories etc.
Ordinary Soda Calcined α-Alumina, Original Powder
AM-30	A3314	≥99.5	0.28	0.03	0.02	93	3.93	1	3.5	-
AM-40	A5324	≥99.5	0.25	0.03	0.02	95	3.95	2	3.5	-
Ordinary Soda Calcined α-Alumina, Micropowder
AM-1G	A3314gl	≥99.0	0.28	0.20	0.02	93	3.93	1	3.5	1±0.5
AM-2G	A3314g2	≥99.2	0.28	0.15	0.02	93	3.93	1	3.5	2±0.5
AM-5G	A5324g4	≥99.3	0.25	0.10	0.02	95	3.95	2	3.5	4±0.5
Main Purpose: refractory materials, lapping & polishing, chemical ball filler,etc.