Calcined Alumina powder for polishing：

Using a unique production process, the use of advanced production equipment at home and abroad, through rigorous production processes made. The product has the following superior performance:
● crystal phase stability, high hardness, small particles and uniform distribution;
● grinding power, polishing fast, bright light, the mirror effect is good;
● high grinding efficiency, good polishing effect, grinding efficiency is much higher than that of soft abrasive such as silica, the surface finish is better than that of white corundum, strong cutting force, fast light, can throw a uniform and bright

Calcined alumina powder for painting：

Parameters of α-alumina powder：

Type	Specification	Chemical Composition				Physical Characteristics
Type	Specification	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
ND-10	A5113	≥99.5	0.10	0.03	0.02	95	3.95	1	2.2
ND--20	A6032	≥99.6	0.07	0.03	0.02	96	3.96	3	1.2
ND--40	A7041	≥99.6	0.05	0.03	0.02	97	3.97	4	1.0
Low Soda Calcined α-Alumina,Micropowder
ND--1G	A5113g1	≥99.3	0.10	0.15	0.02	95	3.95	1	2.6	1.5±0.5
ND--3G	A6032g3	≥99.5	0.07	0.13	0.02	96	3.96	3	1.8	3±0.5
ND--5G	A7042g5	≥99.5	0.05	0.10	0.02	97	3.97	4	1.2	5±0.5
Application of this α alumina Powder: spark plug, electronic substrate, electric vacuum tubes, ceramic boby, etc.
Medium Soda Calcined α-Alumina,Original Powder
NDM--30	A3224	≥99.5	0.18	0.03	0.02	93	3.93	2	3.5	-
ND-M-40	A5234	≥99.5	0.15	0.03	0.02	95	3.95	3	3.5	-
Medium Soda Calcined α-Alumina,Micropowder
ND-M-3G	A3224g2	≥99.2	0.18	0.15	0.03	93	3.93	2	3.5	3±0.5
ND-M-4G	A5234g4	≥99.3	0.15	0.15	0.03	95	3.95	3	3.5	4±0.5
Application of this α alumina Powder: ceramic roller, high alumina ceramic ball and lining,Shaped and monolithic refractories etc.
Ordinary Soda Calcined α-Alumina, Original Powder
AP-30	A3314	≥99.5	0.28	0.03	0.02	93	3.93	1	3.5	-
AP-40	A5324	≥99.5	0.25	0.03	0.02	95	3.95	2	3.5	-
Ordinary Soda Calcined α-Alumina, Micropowder
AP-1G	A3314gl	≥99.0	0.28	0.2	0.02	93	3.93	1	3.5	1±0.5
AP-2G	A3314g2	≥99.2	0.28	0.15	0.02	93	3.93	1	3.5	2±0.5
AP-3G	A3314g4	≥99.3	0.25	0.1	0.02	95	3.95	2	3.5	4±0.5
Application of this α alumina Powder: refractory materials, lapping & polishing, chemical ball filler,etc.
Note: In addition to the above products, but also can do R&D and production to provide a kind of products according to the requirements of the customers.

calcined alumina powder：

product-496-302

Storage of calcined alumina powder：

●Avoid moisture, avoid scrolling, throw and sharp shocking during transportation, rainproof facilities should be readied..

●It should be stored in dry and ventilated warehouseto prevent contamination or moisture.

Package of calcined alumina powder：

Type	Plastic bag	Super sack/Jumbo bag
Powder	25kg/55lb	1000kg/ 2200 lb

Why choose Shandong Bairui's calcined alumina powder?

High purity and low impurity content: calcined with high-quality aluminum source, the purity of some models can reach ≥99.6%, and the impurity content is extremely low.
Customized service and technical support: parameters such as particle size, α phase ratio, specific surface area, etc. can be adjusted according to customer needs.
Stable supply chain:As a professional alumina manufacturer, Shandong Bairui has large-scale production capabilities to ensure stable supply.

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Calcined Alumina Powder