... is a by-product from chemical (cyanuric acid, capro, acrylonitrile, sodium cyanide, monosodium glutamate - MSG, methyl methacrylate - MMA, etc ... fine white powder, after processing it can be white granular or flake.2)Caprolactam Grade is colorless (achromatic) ... urea, ammonium bicarbonate, ammonium chloride, ammonium nitrate. Large granular ammonium sulphate can also serve as raw material for ...