Specification:Bronze :Standard:ZCuSn5Pb5Zn5(C83600), ZCuSn10P1, ZCuSn10Zn2(C90500), ZCuSn7P0.2, ZCuSn6Zn6Pb3, ZCuA19Fe4(C61900), ZCuA19Fe4Ni4Mn2(C95800), ZcuA11OFe3Mn2, ZCuPb10Sn10(C93700).
ring joint gasket