Aluminum Oxide

[Applied Field]

• Functional ceramics can improve the density, finishes, cold-hot fatigue property, fracture toughness and creep resistance property of ceramics.


• α-alumina is also an excellent far-infrared emission material, which can be used in chemical fiber products and high-pressure sodium lamps as far-infrared emission and insulation materials.


• α-alumina has the nice insulation property due to high electrical resistivity and can be used as main fittings and integrated circuit substrate for YGA laser crystal.

[Technology Parameters]

Model	NP−A−10	NP−A−20	NP−A−30
Manufacture process	gas phase	liquid phase	liquid phase
Purity	>99.6%	>85%	>80%
Color	white	white	white
As-produced granularity (nm)	13	20−50	20−50
Crystal form	α	α	γ
Specific surface area (m2/g)	90−110	30−50	30−50
Bulk density (g/cm3)	0.08	<0.5	<0.5
Water (%)	<5	<1.0	<1.0
Cauterant Decrease (%)	<3	<1.5	<1.5
pH	4.5−5.5	6.5−7.5	6.5−7.0
Surface property	hydrophile	hydrophile	lipophilic
Application	paint	paint,cosmetic	plastic,chemical fibers

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