Characteristics
Using silicon oxide powder for top-coating matte paper is a common practice to achieve specific surface properties and
improve printability. Here's how silicon oxide powder is typically utilized for this purpose:
Matting Agent: Silicon oxide powder acts as a matting agent, reducing the glossiness of the paper surface and creating a
matte finish. This helps to eliminate glare and reflections, providing a more subdued appearance suitable for certain printing
applications.
Surface Modification: The addition of silicon oxide powder can modify the surface properties of the paper, improving ink
adhesion and print quality. It creates a rougher surface texture that enhances the interaction between the ink and paper,
resulting in sharper images and text.
Uniform Coating: Silicon oxide powder helps to ensure the uniform distribution of the coating across the paper surface,
preventing streaks or unevenness that could affect print quality. It promotes consistent ink absorption and color rendition
throughout the paper substrate.
Opacity Enhancement: By scattering light, silicon oxide powder increases the opacity of the paper, reducing show-through
and improving color saturation. This is particularly beneficial for double-sided printing or applications where vibrant colors are
desired.
Smoothness Control: While silicon oxide powder adds texture to the paper surface, it can also contribute to controlling the
smoothness of the coating. Fine particles of silicon oxide help to fill in micro-irregularities in the paper surface, resulting in a
smoother overall finish.
Ink Absorption: Silicon oxide powder can influence the ink absorption characteristics of the paper, helping to prevent ink bleed
and feathering. It promotes rapid ink drying and minimizes smudging or smearing, ensuring crisp and clean printing results.
Durability: The presence of silicon oxide powder in the top coating enhances the durability and longevity of the matte paper,
making it more resistant to handling, moisture, and environmental factors. This improves the overall quality and lifespan of
printed materials.
Environmental Considerations: Silicon oxide powder can be selected based on environmental preferences, such as low
VOC (volatile organic compound) content or eco-friendly production processes, to align with sustainability goals.
When choosing silicon oxide powder for top-coating matte paper, consider factors such as particle size, surface modification, compatibility with coating formulations, and desired performance properties. Conducting compatibility testing and evaluating the performance of the coated paper will help ensure that the chosen silicon oxide powder meets the specific requirements of your printing application.
USING TIPS:
* Recommend dosage is 3%-8%. (Please adjust the dosage according to the actual product.)
* As different formulations and conditions, suggest the user to test and make sure the dosage before using.
| Item | M46 | Brand | SKYSIL
|
Chemical composition
| AlOOH x H2O
| Appearance
| White Powder |
Crystallites Size（nm）
| 10-20
| Loss On Ignition
| 20% max |
Specific Surface Area（m2/g）
| 140±10 | Pore Volume（cm3/g）
| 0.82±0.02
|
Mean Pore Diameter（nm）
| 25±1
| Bulk Density（g/ml）
| 0.4～0.6
|
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
