Traits:The main composition is silica, the appearance of the product is white or milky white powder, non-toxic, tasteless, no volatile, stable in nature, extinction effect is good, does not form fog, with high transparency.
Purpose:This product is mainly used for decoration paint, wood paint, furniture paint, solvent color paint and leather, etc.Control flow, anti-bright light, anti-current hanging, anti-ultraviolet, anti-settlement, improve corrosion resistance.
Indicators:
Heading | Indicator | ||
FB-Ⅰ | FB-Ⅱ | FB-Ⅲ | |
Silica（SiO2）content ≥ | 99.5 | 98.6 | 98 |
Whiteness | 94 | 94 | 94 |
Average particle size um | 3 | 3.5 | 3 |
Specific surface area m2/g ≥ | 260 | 300 | 280 |
Pore volume ml/g | 1.4 | 1.85 | 1.58 |
Refractive index | 1.4 | 1.5 | 1.3 |
Drying weightlessness % ≤ | 4 | 3 | 3 |
Oil absorption value g/100g ≥ | 320 | 290 | 310 |
Packing:5 Kilos or 10 Kilogram/Composite bag (lined with polyethylene bag) or agreement.
