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Silica gel as an adhesive is a liquid form, also known as silica gel adhesive or silica sol. It is a dispersion of nanoscale silica particles in water or solvent, functioning effectively as silica gel glue for various applications. It is a low-viscosity colloidal solution with the chemical formula mSiO2. nH2O. Silica gel glue has a variety of unique properties and a wide range of uses, with good dispersion. It can be fully immersed and filled into solids, especially porous substances, and its surface is smooth and has good adhesion, making it an excellent silica gel glue for specialized bonding requirements. Certain fibers or granular materials are added to the silica gel adhesive, which can be dried and cured into a hard gel structure, which will produce greater adhesion. For those interested in sourcing high-quality materials, siliplus, as one of the leading silica sol manufacturers, offers a range of products tailored to specific industrial needs.
Used as a binder for various refractory materials, silica gel adhesive has the characteristics of strong adhesion and high temperature resistance (1500°C-1600°C).
It is used in the coating industry where silica gel adhesive makes the coating firm, but also anti-fouling, dust-proof, aging-resistant, fire-proof and other functions.
It is used for precision casting of thin shells, which can make the shell shape strong and the casting finish high. Its shape is of better quality than water glass shape, and replacing ethyl silicate shape can reduce costs and improve operating conditions.
Silica sol is a colloidal solution, odorless and non-toxic. The colloidal particles are fine (10-20nm) and have a considerable specific surface area. The particles themselves are colorless and transparent, which does not affect the natural color of the covered object. Its viscosity is low, and it can penetrate wherever water can penetrate, so it has very good dispersion and permeability when mixed with other substances, making it an excellent silica gel liquid glue for porous materials. When the silica-soluble glue evaporates, the colloidal particles are firmly attached to the surface of the object, and a silicon-oxygen bond is formed between the particles, which is a good adhesive, demonstrating why silica gel liquid glue is preferred for applications requiring deep penetration and strong bonding.
