Find Colloidal Silica Precision, Silica Dioxide Casting, Silica Solution Casting on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.
| Min. Order: | 1000 Kilogram |
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Silica sol &Colloidal silica
Silica sol is a colloidal solution, odorless and non-toxic. Silica sol is a dispersion of nano-scale silica particles in water or solvent. Since the SiO2 in the silica sol contains a large amount of water and hydroxyl groups, the silica sol can also be expressed as SiO2.nH2O.
Specification
| Content(%) | Na2O(%) | PH value | Density(g/cm3) | Viscosity(mPa.s) | Partical size | Shelf life |
| 29-31 | ≤0.4% | 9.0-11.0 | 1.19-1.21 | ≤10 | 8-20 | 24 months |
Application
In addition to the application of silica sol in the coating industry and the production of various fireproof materials, it also has applications in thin-shell Precision casting. In terms of its specific performance in this application, the main functions that can be played are as follows :
1.Increase shell strength. Thin shells inevitably have the weakness of low overall modeling strength. By applying silica sol, it can increase the strength of the shell shape, so that the thin shell products processed by precision casting of the thin shell have high strength and are not easy to Structural damage occurred during application.
2.Increase casting finish. Since the particles of silica sol are colorless and transparent, they will not affect the true color of the covering. Therefore, when applied in thin-shell precision casting, it will certainly play a role in increasing the smoothness of the casting, thereby enhancing the texture of the product and making The appearance of the product becomes better.
3. reduce costs. Compared with the application of ethyl silicate, the application of silica sol in thin-shell precision casting requires less cost and can play a good role in reducing costs.
In addition, the application of silica sol in thin-shell precision casting can also improve the operating conditions and optimize the entire Casting Process.
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Product Categories : Inorganic Chemicals > Oxide
