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