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| MOQ | 2 Metric Ton |
| Packaging | Plastic Drums (200 liters), IBC (1000 liters), Flexitank |
| Lead Time | 3 days |
| SiO2% | 27-30% | pH Value | 10-11 |
| Particle Size (nm) | 10-15 | Na2O% | <=0.6% |
SKP-27 Colloidal Silica is an alkaline, aqueous 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 pH value between 10 and 11. SKP-27 appears as a translucent liquid, slightly more viscous than water.
SKP-27 is a specialist product specifically designed for use in
the surface layer 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.
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