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Colloidal silica
Colloidal silica is a dispersion of nano-sized silica particles in water or in a solvent. It is ordless and non-toxic.
Colloidal silica has good cohesiveness, good high-temperature strength, low contractility and etc.
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Colloidal silica is a dispersion of nano-sized silica particles in water or in a solvent. It is ordless and non-toxic.
Colloidal silica is a dispersion of nano-sized silica particles in water or in a solvent. It is ordless and non-toxic.
Colloidal silica is a dispersion of nano-sized silica particles in water or in a solvent. It is ordless and non-toxic.
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O.B.T Manufacture - One-shop serviceOBT Mining as the China No.1 biggest manufacturer for mullite sand which has been supplying to Germany Thyssenkrupp,totally capacity 200000tons and OBT casting subsidiary factory specializing in R&D and manufacturing of precision casting equipment, precision metal products processing and precision casting process. Comprehensive company for technical research and supply for the invesment casting sand and machines. ...
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