... Certified company 2) Purity: 99.2%min 3) Tech Grade 4)Sodium Carbonate Sodium Carbonate-Soda ash light 99.2 ... raw material for basic chemical industry. It is widely used in glass-manufacturing, metallurgy, petrochemical, taxtile, inorganic salts, medicine, synthetic ... particle size and low chloride content. It is mainly used in high grade glass, lenses, monitor screen, etc. TESTING CONTENTS ANALYSIS ...