Boehmites
SIBOM® boehmites are formed by hydrothermal ageing of aluminium hydroxide. SIBOM® is a fully crystalline (99%) boehmite with low impurity content. The small particle size and the unique structure of oxide hydroxide make it appropriate for use in various industries.
The result of producing boehmite with the hydrothermal method is a crystalline aluminium oxide hydroxide, which is used as a catalyst in the oil industry. Aluminium oxides are gaining in importance as an environmentally friendly refractory material without halogen elements in polymers, which are treated at higher temperatures. Boehmites are stable at high temperatures and optimal for use in electric thermal insulation elements.
Paints and coatings
Due to their specific properties, SIBOM® boehmites are added to paints to increase their thermal stability and reduce the number of required layers.
Type of SIBOM® Product | P84 | P84-VLS | MP84-1 | MP84-2 | MP84-2-VLS | MP84-1-VLS | MS65 | |
---|---|---|---|---|---|---|---|---|
AlO(OH): Boehmite | % | > 99 | > 99 | > 99 | > 99 | > 99 | > 99 | > 99 |
Al2O3 | % | 79 - 85 | 79 - 85 | 79 - 85 | 79 - 85 | 79 - 85 | 79 - 85 | 79 - 85 |
Na2O Total | % | 0.10 - 0.16 | 0.01 - 0.05 | 0.10 - 0.20 | 0.10 - 0.20 | 0.00 - 0.05 | 0.00 - 0.05 | 0.10 - 0.25 |
Fe2O3 | % | 0.02 - 0.08 | 0.02 - 0.1 | 0.02 - 0.1 | 0.02 - 0.1 | 0.02 - 0.1 | 0.02 - 0.05 | 0.02 - 0.10 |
Additive | % | - | - | 0.50 - 0.80 | ||||
SiO2 | % | - | - | 0.05 - 0.07 | ||||
Bulk Density (20°C) | g/l | 700 - 1100 | 700 - 1100 | 200 - 400 | 450 - 650 | 450 - 650 | 400 - 600 | 1500 - 1700 |
Solid Content (3h/105 °C) | % | - | 60 - 63 | |||||
Loss on ignition (1h/800°C) | % | 16 - 19 | 16 - 19 | 16 - 19 | 16 - 19 | 16 - 19 | 16 - 19 | 16 - 19 |
Average particle size d50 | µm | 10 - 15 | 10 - 15 | 0.9 - 1.1 | 1 - 3 | 1 - 3 | 0.7 - 1.0 | 0.9 - 1.1 |
Specific surface area (BET) | m2/g | 2 - 8 | 2 - 8 | 5 - 15 | 5 - 15 | 5 - 15 | 10 - 20 | 5 - 15 |
Characteristics | White powder | White powder | White powder | White powder | White powder | White powder | White slurry |