SiBa Pipe Powder is used in ductile iron pipe industry,our product is very stable. SiBa Pipe Powder1.Ba 1-2%,Ca 1-2%,Si 62-70%,Al<2%2.Ba 2-4%,Ca 2-4%,Si 62-70%,Al<2%3.Ba 4-6%,Ca 1-2%,Si 65-70%,Al<2%4.Ba 9-11%,Ca 1-2%,Si 65-70%,Al<2%Size:0-0.3mmPacking:1 MT big bags.Chemical composition/size/packing can be ajusted according to customers' requirements. SiBa Pipe Powder