sodium nitrate 1) purity:99.5%, 98.5% 2) packing: 50kg/bag 3) good ... -3mm, not agglomeration, yellow, jam, storage time longer, convenient, technical content is higher! Can save cost 2-3 percent! Sex ... , including factory name, the product name, trademark, category, grade, net weight, this standard and GB190 prescribed mark Numbers of ... of red channel transverse 10cm wide. Sodium nitrate food grade 99.7%