Ultra-fine precipitated aluminum hydroxide (Al(OH)₃, CAS No. 21645-51-2 ) is one type flame retardant and can be widely used in various of processing technology. Recommended to be used in halogen-free flame retardant cables, smoke-suppressed thermoinsulation foam and HFFR-EVA cable compound, copper clad plates(CCL), composite insulators, heat insulation material, etc.
Advantage as below: Low Na2O% (Soluble Na2O%≤0.015%); Low Electrical conductivity≤30μs/cm; Low Residue content (on sieve)≤0.01% (400Mesh); Less black spots and impurities ≤25/100gram
| Items | Unit | Index |
| Al(OH)3 | % | ≥99.4 |
| SiO2 | % | ≤0.02 |
| Fe2O3 | % | ≤0.02 |
| Na2O | % | ≤0.3 |
| Na2O (Soluble) | % | ≤0.015 |
| Moisture | % | ≤0.3 |
| Loss on ignition (600℃ ) | % | 34.5±0.5 |
| Whiteness | % | ≥96 |
| Particle size D50, Laser diffraction | μm | 1.2~1.6 |
| Particle size D50, Laser diffraction | μm | 1.6~2.1 |
| PH value | — | 8.0-10.0 |
| Oil absorption (linseed oil) | Ml/100g | ≤40 |
| Electrical conductivity | us/cm | ≤30 |
| Residue on Sieve | % | ≤0.01 |
High-end Engineering Plastics
● Electronic appliances: flame retardant components such as connectors, relays, switches, etc
● New energy vehicles: battery pack components, charging station casing
● Smart Home: High end Home Appliance Shell, Smart Device Components
● Communication equipment: 5G base station equipment, server casing
Special Rubber Products
● Automotive field: Engine compartment rubber parts, flame retardant sealing strips
● Wire and cable: halogen-free flame-retardant cable material, insulation material
● Industrial supplies: conveyor belts, seals, shock-absorbing materials
High-end Coating Materials
● Fireproof coatings: steel structure fireproof coatings, ship coatings
● Electronic coating: flame retardant coating for circuit boards, protection for electronic components
● Decorative materials: fireproof wallpaper, flame-retardant decorative board
Advanced Composite Materials
● Aerospace: cabin interior materials, composite components
● Rail transit: high-speed rail interior parts, subway materials
● New energy: photovoltaic materials, wind turbine blade materials
Other High-end Applications
● Toothpaste grade: High grade toothpaste abrasive
● Pharmaceutical grade: pharmaceutical excipients, antacids
● Electronic grade: ceramic substrate, electronic packaging materials
Packaging: Net weight 25kg/bag, Compound paper-plastic bag
Storage and Attention: Keep in dry, room temperature and moisture proof condition, preventing the heating
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