Industrial grade, white or yellowish powder 98% min, the specification is as below: Requirement test results NaNO3 : Min98% 98.8% H2O : Max2% 1% NaNO2 : Max 0.5% 0.04% NaCL : Max 0.5% 0.0058% Na2CO3 : Max 0,05% none Water insoluble: Max0.1% 0.0021% Brand Name : Foren 25 P.P. bag inner PE bag, 1 pallet 40 bag w/bulk bag UN No:1498 Class:5.1 standard packing
