Feature
Pure Silica Powder can indeed be used as an additive in printed ink formulations for various purposes. Here's how pure
silica powder can be beneficial as an additive for printed ink:
Rheology Modifier: Silica powder can act as a rheology modifier, helping to control the viscosity and flow properties of
the ink. By adjusting the concentration of silica powder, ink manufacturers can achieve the desired viscosity for optimal
printing performance.
Thickening Agent: Silica powder can increase the viscosity of the ink, making it thicker and more stable. This helps prevent
sagging or spreading of the ink during printing and improves the sharpness and accuracy of the printed image.
Matting Agent: Silica powder can be used as a matting agent to reduce the glossiness of the printed ink and create a matte
or satin finish. This is particularly useful for achieving specific visual effects or enhancing the readability of printed text or
graphics.
Anti-Settling Agent: Silica powder helps prevent settling of pigments and other solid particles in the ink formulation. It
improves the stability and homogeneity of the ink, ensuring uniform color distribution and preventing pigment separation
during storage and printing.
Abrasion Resistance: Silica powder enhances the abrasion resistance of the printed ink, making it more durable and
long-lasting, especially in applications where the printed material is subjected to handling, rubbing, or friction.
Adhesion Promoter: Silica powder can improve the adhesion of the ink to various substrates, including paper, cardboard,
plastic, and metal. It forms a strong bond between the ink and the substrate, reducing the risk of smudging, smearing, or
delamination after printing.
Drying Aid: Silica powder can facilitate the drying of the printed ink by absorbing excess moisture and promoting evaporation.
This helps reduce drying time and prevents smudging or sticking of the printed material during handling and processing.
Surface Modification: Silica powder can modify the surface properties of the printed material, such as texture, roughness, and
surface energy. It can improve the printability, adhesion, and overall quality of the printed image on different substrates.
When using pure silica powder as an additive for printed ink, it's essential to consider factors such as particle size, surface
treatment, and compatibility with other ink components. Conducting small-scale tests and optimizing the formulation parameters
can help achieve the desired printing performance and quality for specific applications.
Chemical Data
Item Type
| H-903 |
Content of sio2(dry basis) %,
| ≥99.0
|
Porosity ml/g
| 1.8-2.0 |
Oil absorption, g/100g , g/100g
| 260-300 |
Particle Size, um(Malvent,D50)
| 6-7 |
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
