Advent Silica SKP-27
Colloidal Silica
Product Description
SKP-27 Colloidal Silica is an alkaeous dispersion of colloidal silica with a silica (SiO2) content of approximately 27-30% by weight and an average particle size ranging from 10 to 15 nm. The silica particles undergo surface modification using amino-based polymers. The dispersion has a value between 10 and 11. SKP-27 appears as a translucent liquid, slightly more viscous than water.
Characteristics
Property (Units) | Value |
Na2O% | <= 0.6 |
SiO2% | 27 - 30 |
Target Density (g/cc) | 1.18 - 1.20 |
Value (at 20°C) | 10.0 - 11.0 |
Viscosity (at 20°C, mm^2/s) | <=6 |
Average Particle Size (nm) | 10 - 15 |
Specific Surface Area (m^2/g) | 182 - 273 |
Stabilizing Counter Ion | Sodium |
Applications
SKP-27 is a specialist product specifically designed for use in the surface coat slurries of the investment casting process. It addresses various challenges encountered in the shell-making process, such as rapid slurry aging, demanding drying requirements, and poor surface quality of the shell mold cavity. The polymer layer of SKP-27 enhances the stability of the colloidal silica, prevents agglomeration, and further improves the surface absorption of the silica. This results in improved coating and leveling properties of the prepared slurry.
Packaging Information
Plastic drums (200 liters / ~52.8 gallons)
IBC (1000 liters / ~264 gallons)Â
Flexitanks
Storage
The products should be transported and stored at a temperature of 20 - 40°C (68 - 104 °F). Avoid direct sunlight for any translucent or transparent packages. Products should be used within 12 months of the manufactured dates.Â
Additional information can be found in SDS.
Safety & Handling
Review the corresponding Safety Data Sheet (SDS) before handling. Colloidal silica is a synthetic amorus silica dispersed in a stable form in water. Colloidal silica is not classified as harmful but mildly irritating. Protective gloves should always be used before handling and the use of protective glasses is strongly recommended. In case of skin or eye wash / rinse the area with plenty of water and seek professional medical help if needed. Â
Additional information can be found in SDS.
Certifications
Manufactured in ISO 9001 and 14001 certified facilities.
Us
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