Our company is a professional chemical company, is one of the biggest manufacture factory produce caustic soda in north, have perfect production capacity. Many years of exit experience lets our company have supply material in time , product quality is high, optimum characteristic of price, Our products enjoy high reputation in the international market. welcome everyone to contact us. and establish long term business relationship. The specification of caustic soda as following: Caustic soda flakes: 96% 98% 99% Caustic soda solid: 96% 98% 99% Caustic soda pearls: 99% Caustic soda liquid: 49% Packing: Flakes or pearls: 25kg plastic bags(3layer PP & PE) Solid: Iron drum, Net WT.: 200kg (High of Drum: 90cm) Liquid: tank car or pot. PURITY Na2CO3 Nacl Fe2O3 96% 1.4%max 2.8%max 0.01%max 98% 1.1%max 0.6%max 0.01%max 99% 0.9%max 0.15%max 0.01%max 49% 0.2%max 0.02%max 0.002max