Description
Chalco’s Ultra Fine Aluminium Hydroxide is generated from high purity sodium aluminate solution by precipitation process, including H-WF-1, H-WF-1LS, H-WF-2N, etc.
With characters of fine particle size , high whiteness, high purity and low oil absorption, the products are mainly used as flame retardant fillers in CCL, PVC, DBC, PPC/PPV, Rubber, Insulation Foam, Fine Paper, and Cable&Wire industries. Besides flame retardant insulation, the Ultra Fine Aluminum hydroxide also can increase product strength, high temperature resistance.
Chalco’s super fine ATH products, especially the Low Sodium grade and Ultra Low moisture grade, are widely praised in the global market.
Specification
| Al(OH)3 | 99.5% min. |
| SiO2 | 0.02% max. |
| Fe2O3 | 0.01% max. |
| Na2O | 0.35% max. |
| Na2O (s) | 0.04% max. |
| Absorption of oil ml/100g | 50 Max. |
| Whiteness | 97% min. |
| Elec. Conductivity μS/cm | 120 max. |
| Particle size | |
| D50 micron | 1.1-1.7 max. |
| +325mesh | 0.1% max. |
| Moisture | 0.4% max. |
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