Min. Order Reference FOB Price
22 Tons US$150.00-190.00 / Ton
Product Description
Steel Grade N 20.5% Crystal Ammonium Sulphate, 7783-20-2 Brief introduction Main active ingredients are 21% nitrogen and 24% sulfur, so it can be described as NPK 21-0-0 24S. Generally, it is a by-product from chemical (cyanuric acid, capro, acrylonitrile, sodium cyanide, monosodium glutamate - ...