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White color silicon dioxide powder is common use additive in paints industry. Powder state is one form of existence of silicon dioxide. Original
silicon dioxide is a natural mineral on the earth and it usually appears as solid state like sand or rocks.After grinding this original silicon dioxide,
it can appear as powder state that was processed to specific particle size.
Silicon matting agent is often used as filler, additive and thickener in the paintings. It can enhance the paints' adhesion ability to make the paints
covered on the goods' surface evenly.
The main advantage of silicon dioxide is used in paints is that it will not react with other chemical substances in the paints because of its chemical
inert performance. And this makes it be a chemically stable additive and this is the reason why it can be used into different applications.
Overall,silicon dioxide is a crucial element to make the industrial paints. With its multiple using performances, it is used widely in paints industries.
The use of silica in architectural coatings is mainly in architectural coatings for buildings, vehicles, locomotives and ships, and is also used as a coloring
paste in dark gray and other colors of paints. Silica has high brightness and coloring, and its price is stable, so it is an indispensable color paste in the
coating industry. At present, most architectural coatings will use silica as a coating product.
1. Silica brightness
Brightness is the primary indicator of silica for coatings. When used for coloring of gray-black architectural coatings, such as gray-black vehicle paint, the
higher the brightness of the silica used, the better. When silica is used for coloring, too much melanin and too little addition can easily cause different batches
of paint products to have color cast, so it is required to use silica with lower brightness.
Chemical Data
| Item | H-300 |
| Content of sio2(dry basis) %, | ≥98.5 |
| Porosity ml/g | 1.2-1.4 |
| Oil absorption, g/100g , | 270-320 |
| Particle Size, um(Malvent,D50) | 4.0-5.0 |
| Loss on drying(105℃,2Hrs) | ≤5.0 |
| Ignition loss(1000℃,2Hrs) | ≤6.0 |
| Whiteness | ≥90.0 |
| PH(5% Liquor) | 6-7 |
| Surface Treatment | None |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
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Main Product:
Paint Matting Agent,
Silica Matting Agent ,
Inkjet Receptive Coating,
Nano Alumina ,
Teflon Heater,
Anticorrosion Pigments
