We offer colloidal silica 30% chemicals. Bharat dyes agency (an iso 9001:2008 certified company), direct suppliers of various types of raw materials used in lost wax precision investment casting, sand casting, cast iron and s. G. Iron foundries...
We are offering colloidal silica ( aerosil quick details classification: silicon dioxide cas no.: 7631-86-9 other names: pyrogenic silica mf: sio2 einecs no.: 231-545-4 place of origin: inner mongolia china (mainland) grade standard: industrial...