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Making silica matting agent effective is related to its porosity and particle size.
* Porosity: Normally synthetic silica is hollow particles this means air fills in the silica's mrico structure. High porosity silica
matting agent will have more silica particles than low porosity silica matting agnt. For coating's usage, using silica matting
agent with high porosity can provide a better matte effect due to the quantities of silica's particles can effect the glossy.
* Particle Size: silica matting agent's porosity is one features that effect coating's matte effect. But there is another feature
can also effect coating's matte effect. Silica matting agent has larger particle size will provide better matte effect. Cuase its
large size can instead air to improve the silica matting agent's porosity in some extend.
Normally coating without adding silica matting agent will perform as mirror state which means it will reflect light that
comes from everywhere. Sometimes it will create vision obstruction. So coating with matting effect is crucial. Please
check the picture as below. There are two different pics and please compare these two pics. First pic is including
a smooth surface and the second pic is including a rough surface.
Coating without adding silica matting agent will perform a smooth surface. When a beam of light is shining to the
coating's surface, small part will be absorbed and large part will be reflected. The reflection of light will form a large
beam into our sights.Sometimes our viosion will be obstructed.
Coating with adding silica matting agent will perform a rough surface. It can help a beam of light evenly disperse
on the coating's surface which can not create a stronge sight crash.
Usually what make us to add silica matting agent into coating depends on coating's final usages.
Silicon dioxide is also called as silica dioxide or quartz. It is a common material that used in wood coatings. Below
is silicon dioxide's using advantages in coating's formulation.
1. Enhance coating's flow ability: silicon dioxide can help to create a smoother transparent film in coating due to it can
disperse evenly in coating.
2. Used as filler: silicon dioxide can be used as filler which can fill the small pores and imperfections in the wood coating.
It can provide a smooth base for the paint to adhere to.
3. Protective film: small quantity silicon dioxide can provide a protective film on the surface of wooden.
4. Adhesion enhancer: adding silicon dioxide into the coating can help to improve coating's surface adhsive ability.
When you are using silicon dioxide into coating, please follow the guideline as below.
- Choosing high quality and purity silicon dioxide which is mainly designed for coating applications.
- Following the guideline to use silicon dioxide. Adding it to the coating in small increments while stirring thorougly.
- Please according to the normal painting action to paint the coating.
- Please remember that adding inappropriate silicon dioxide might effect the final coating's performances.
Chemical Data
| Item | SS-410L |
| Content of sio2(dry basis) %, | ≥99.0 |
| Porosity ml/g | 1.8-2.0 |
| Oil absorption, g/100g , g/100g | 260-320 |
| Particle Size, um(Malvent,D50) | 3.0-3.5 |
| Loss on drying(105℃,2Hrs) | ≤5.0 |
| Ignition loss(1000℃,2Hrs) | ≤9.0 |
| Whiteness | ≥90.0 |
| PH(5% Liquor) | 6-7 |
| Surface Treatment | Organic |
Application
1.Clear and pigmented woodcare applications.
2.Printing Inks, Gravure Printing Ink, Offset Printing Ink, Screen Printing Ink, Printing Packing Material.
3.Industrial Coating, Metal baking Coating, Decorative Coating
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
