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High Whiteness of Aluminium Trihydrate 99.6%min (ATH) for Filler
CAS NO.: 21645-51-2
FORMULA: Al(OH)3
MOL WT.: 78 
H.S. CODE: 2818.30 
SYNONYMS Hydrated alumina; Alumina hydrate; Alumina trihydrate; 
ATH; Aluminum hydrate; Aluminum trihydrate; Alhydrogel; Superfos; Amphogel; Aluminum (III) hydroxide; Amorphous alumina; Trihydrated Alumina; Trihydroxyaluminum; 
Physical properties:
Appearance: White powder 
Molecular formula: Al(OH)3 
Molecular Weight: 78.0 
CAS No.: 21645-51-2 
Bulk Density(g/cm3):Loosed: 1.1
Packed: 1.3 
Density(g/cm3): 2.42
Shelf life: Longer than 2 years.
Chemical properties:
Al(OH)3: 99.6% min.
Al2O3: 65.1% min.
SiO2: 0.03% max.
Fe2O3: 0.02% max.
Na2O: 0.2% max.
L.O.I.: 35% max.
Moisture: 0.1% max.
PH: 7.5~10
Whiteness: 96% min.
Packing: in 25 kgs bags
Particle size D50: 90um, 75um, 50um, 25um, 15um.