Aluminum hydroxide

Aluminum hydroxide, chemical formula Al (OH) 3, is a white solid that is insoluble in water and soluble in acids or bases. It is a typical amphoteric hydroxide. After being heated and dehydrated in the air, it can be transformed into alumina, which is of great significance for the production of alumina

CAS No.:
21645-51-2
Molecular Formula:
AlH3O3
Molecular Weight:
78
EINECS:
244-492-7

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DESCRIPTION

DESCRIPTION

Aluminum hydroxide

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SPECIFICATIONS

Item	Standard
AI(OH)3	99.7% Min.
Dso.um	0.8-1.4
Fe2O3	0.01% Max
Na2O	0.3% Max.
SiO2	0.02% Max.
Whiteness	97% Min.
Moisture	0.35% Max.
Oil absorption rate	45 ml/100g Max.

APPLICATION

1. Chemical raw materials: Aluminum hydroxide can be produced on a large scale, with sufficient raw materials, high product purity, and easy solubility in acids and bases. Therefore, aluminum hydroxide is an important raw material for preparing aluminum salts, such as barium aluminate, aluminum sulfate, etc.

2. Flame retardant aluminum hydroxide powder is often regarded as an ideal flame retardant filler for plastics, unsaturated polyester, rubber, and other organic polymers due to its filling, flame retardant, and smoke reducing functions, as well as its non-toxic and harmless properties.

3. Ceramic aluminum hydroxide is calcined at high temperature to obtain alumina, which has high thermal and chemical stability, thermal strength, creep resistance, dielectric properties, and low coefficient of thermal expansion, making it an important material for synthesizing ceramics. In the process of ceramic synthesis, aluminum hydroxide is activated and the crystallization process is controlled to achieve controlled phase formation of composite materials.