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Aluminum Hydroxide


Chemical name:Aluminum Hydroxide
Formula:Al(OH)3
CAS Number:21645-51-2
MW:78.00

General & Use:
●Plastics and rubber 
●Coating and adhesives
General Properties:

Appearance White powder Mohs hardness 3
Density g/cm3 2.42 Ratio of refraction 1.57
Crystal system Monoclinic system    

Physical and Chemical Properties:

Item Model AH-2 Fine AH-2 Micro AH-2 Super micro AH-2
Chemical constituent % Al(OH)3   ≥ 99.7 99.7 99.7 99.7
SiO2    ≤ 0.04 0.04 0.04 0.04
Fe2O3  ≤ 0.03 0.03 0.03 0.03
Na2O   ≤ 0.5 0.5 0.5 0.5
Loss on ignition ≤ 35.0 35.0 35.0 35.0
Attached water  ≤ 0.5 0.5 0.5 0.5
Average particle size  µ m    ≤ 14-16 8.5-10.5 1.8-2.8 1.0-1.8
Whiteness %           ≥ 95.0 95.0 95.0 95.0
PH value 10.0±1.5

Thermogravimetric Analysis (10mg@ 10°C/min under N2)

Weight Loss, % 1 5 10
Temperature, ℃ 230 260 270




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