... ,price is competitive. About us: Tianjin Shengxinhai Chemical Co., Ltd. was constructed in 1998 and mainly produces inorganic chemical products, like caustic soda ... contact me directly. Many thanks and best regards.Uses of caustic soda :Mainly used in textiles industry, printing, detergent, paper-making, soap ... .30Na2CO3 %≤0.900.40NaCL %≤ 0.150.03Fe2O3 %≤ 0.0050.002 caustic soda flakes manufacturer