... raw materials 3.we are very good manufactuer/exporter 4.our plant is big 1. good quality caustic soda flakes NaOH---------99%min ... , soap and detergents, petroleum products and chemical production.6.It is a basic chemical raw material.7.Standard No. GB209-2006 ... flake, easy deliquescence, the melting point is 318.4, the boiling point is 1390.12.It is Noncombustible, has a strong corrosive, irritant ...