Hubei Jinwei Group is based in China and lists acid silica sol for battery applications (model Js-25) with 25% SiO2, 0.05% Na2O, pH 2.0-4.0, viscosity 3.5-4.5, specific gravity 1.15-1.17, and particle size 10-20 nm. It also supplies silica sol for precision casting, including quick-drying variants with SiO2 content of 28-30%, Na2O content of 0.5%, viscosity 10, pH 9.0-10.5, specific gravity 1.19-1.21, and particle sizes ranging from 8-15 nm. Established in 1994, the company provides these industrial chemicals and metal casting solutions. Buyers can send an enquiry through Global Trade Plaza.