Chemical Name | Aluminum Hydroxide |
CAS Number | 21645-51-2 |
Product Number | SU000010 |
Molecular Formula | AlH3O3 |
Molecular Weight | 78.003558 |
1. Product Introduction
Aluminum Hydroxide Ultrafine Precipitated
CAS NO. 21645-51-2
Molecular Formula: Al(OH)3
Aluminium hydroxide, Al(OH)3 other names Aluminic hydroxide, Aluminic acid, white amorphous powder. AHT-205 is a kind of precipitated aluminum hydroxide with ultrafine particle size, regular crystal structure, high-purity, high whiteness, low surface activity and small specific surface area, can be widely used in various of processing technology.
2. Specification or COA
Al(OH)3 |
% |
≥99.4 |
SiO2 |
% |
≤0.02 |
Fe2O3 |
% |
≤0.02 |
Na2O |
% |
≤0.3 |
Na2O (Soluble) |
% |
≤0.03 |
Moisture |
% |
≤0.3 |
Loss on ignition (600℃) |
% |
34.5±0.5 |
Whiteness |
% |
≥96 |
Particle size D50, Laser diffraction |
μm |
0.8-2.1 |
PH value |
— |
8-10 |
Oil absorption (linseed oil) |
Ml/100g |
≤50 |
Electrical conductivity |
us/cm |
≤150 |
Specific Surface Area |
m2/g |
3-6 |
Density |
g/cm3 |
2.4 |
Refractive index |
— |
1.58 |
3. Product application
Aluminum Hydroxide is mainly used in cross linking or grafted polyethylene, silicon rubber, PVC.
Product No. |
Description |
Application recommendation |
AHT-205 |
uncoated |
polyethylene and polyethylene copolymer, rubber, TPE and PVC |
AHT-205-S |
fatty acid coated |
Mainly used in PVC, polyethylene copolymer, rubber |
AHT-205-E |
vinyl silane coated |
Mainly used in cross linking or grafted polyethylene, silicon rubber, PVC |
AHT-205-N |
amino silane coated |
mainly used in polyethylene copolymer (EVA, EEA), rubber |
AHT-205-H |
epoxy silane coated |
Mainly used in thermosetting resin such as epoxy |
4. Packing & Delivery
Standard export neutral packing in 20kg/bag, 25kg/bag, paper-polymer outer & PE inner bag.
5. Product characterization
Aluminum hydroxide ---- SEM
Aluminum hydroxide --- typical particle size distribution