... 2. Usage: Widely used in light industry cosmetic, building materials, chemical industry, food industry, metallurgical, textile, oil, national defense, medicine and other fields.Also used for ... agents, detergent, neuroscientists. 3. The product accords with GB/T 210.4-2004 SODA ASH Light (STANDARD GRADE)ITEMSPECIFICATIONNa2CO3(DRY BASIS)98 ...