Specifications: Ferrous Sulphide Chemical Formula FeS Molecular Weight 88 Physical forms available Lumps - Irregular pieces of approximately 3-150 MM Crushed - To individual customer specifications. Shipping Classification Non-hazardous CCCN 2835 TTCN 28352000 Main Specifications Ferrous Sulphide( FeS ) 82.5%Min Total Sulphur ( S ) 30% Min Phosphorous ( P ) 0.1% Max Carbon ( C ) 0.1% Max Copper ( Cu ) 0.5% Max Silica ( Si ) 0.5% Max Packing Hdpe Plastics Bag Of 50 kg. nett. Provided with Loops For Easy Handlng.