... ; C (68& deg; F)Application:1 soda ash light: Materials of glass industry, chemical industry, metallurgy, printing and dyeing ... , synthetic detergent etc2 soda ash dense: Materials of glass industry, chemical industry, metallurgy, printing and ... --proof. Stored in ventilating and dry place.Soda ash light GB210-92ItemHigh-classFirst-classQualifiedExportTotal alkalinity (as Na2Co3 ) % ...