Protopine traits are white
translucent flake solid caustic soda is a basic chemical raw
material, widely used in papermaking, synthetic detergent and soap,
viscose fiber, rayon and cotton fabric and other textile industry,
pesticides, dyes, rubber and chemical industry, oil drilling,
refining petroleum grease and tar oil refining industry and the
defense industry, mechanical industry, wood processing,
metallurgical industry, pharmaceutical industry and urban
construction and other aspects.
Also used in the manufacture of chemicals, paper, soap and
detergent, artificial silk and cellophane, processing bauxite
alumina, aluminum is also used at the silk textiles, water
treatment.
