... 98.8% 3.Industrial Grade Sodium Carbonate1, Property White or greyish powder, odorless,tasteless and non-toxic2, Specification SpecificationOur ... national defense (TNT manufacturing, 60% gelatin-type dynamite ) and some other aspects, such as rock oil refining, paper manufacturing ... refining, softening of hard water, soap, medicine , food and so on.4, Packing 25kgs/50kgs/bag, or 1000kgs bulk ...