Our "ALCUBE" is synthetic boehmite(AlOOH) of very fine cubic particles.
It can be used as a flame retardant or thermal conductive filler for plastics.
| Composition formula | AlOOH |
|---|---|
| Appearance | White powder |
| Crystal system | Orthorhombic |
| Specific gravity | 3.02-3.05 |
| Mohs hardness | 3.5 |
| Refractive index | 1.64-1.67 |
| Decomposition temperature | Approx. 500℃ |
| Solubility | Insoluble in water Hardly insoluble in acid, alkaline at room temperature |
| Average particle size(μm) | 1.0 |
|---|---|
| Specific surface area(m2/g) | 4.0 |
| Bulk density(g/ml) | 0.6 |
| Moisture(%) | 0.1 |
| Loss on ignition(%) | 17.0 |
| AlOOH | Al2O3 | |
| Electrical resistivity(Ω・cm) | 6.2×1014 | 7.3×1015 |
| Relative permittivity | 5.9 | 5.7 |
| ALCUBE | (Ref.) Magnesium hydroxide | Formulation | |
|---|---|---|---|
| Acid resistant (weight loss rate) ※(%) | 0.1 | 56.6 | 75% in LDPE |
| Vertical flammability of UL-94 [1/8 inches thickness] |
V-0 | V-0 | 70% in EVA |
※Condition: Sulfuric acid of 10%, 40℃, 2h