Silicon dioxide CAS NO.7631-86-9

Colloidal Silica Molecular formula is mSiO2 nH2O CAS No.: 7631-86-9 Property: Odorless and non-toxic. Item Specification Test Result Appearance Slight milk-white clear to translucent liquid Meet the requirement SiO2 content 30 ± 1 % 30.8% Na2O content ＜ 0.4% 0.32% Particle size 8 – 20nm 12.68 Viscosity (at 20℃) ＜ 20mpa.s 7.50 PH value ＜ 10.5 9.80 Density (at 20℃) 1.2 – 1.3 1.2080

Founded in 2005, Hubei Rison Chemical Co. Ltd, is specializing in the development, production and marketing of speciality chemicals.         

We have our own chemical factory, which is mainly engaged in production of electroplating intermediates, organic fluorides and other fine chemicals.

We are also distributing products of other cooperating factories; our agent products include the field of shellac, tin salt series, chromic salt series, phytic acid series, raw materials for electroplating industry, and other fine chemicals. Our products are widely applied in metal surface treatment, pharmaceuticals, cosmetics, plastic industry, lithium battery and other fields.

With years’ effort, the company has obtained a group of stable customers at home and abroad, and our worldwide market has covered Europe, America, Middle East and Southeast Asia etc.. We’ve met with great favor among domestic and overseas customers on the basis of high quality products, sincere service and favorable credit.

Our business is expanding in the way of recommendation of satisfied customers as well as getting a lot of new clients, who got to know our abilities and who are appreciating the safety and honorable service of an Europe – China connected concept.

Reputation – High quality – Best service