... or greyish powder 2.Purity:>=98.8% 3.Industrial Grade Sodium Carbonate1, Property White or greyish powder, odorless,tasteless and non ... refining, paper manufacturing, paint, salt refining, softening of hard water, soap, medicine , food and so on.4, Packing 25kgs/50kgs/bag ... in particular packaging like container liner, please check with us. Sodium Carbonate