奉化市科源卫浴有限公司

Brass pipe fitting material: Body : Cu%: 58.5-59.5, Sn%: < 0.7, Pb%: < 3, Fe%: < 0.55, Al%: < 0.3, Mn%: < 0.06, As%: < 0.03, Ni%: < 0.4, Si%: < 0.06, Zn%: rem Seal ring: two kinds of material A: Cu%: 99.70, Bi%: < 0.002, Sb%: < 0.002, As%: < 0.002, Fe%: < 0.005, Ni%: < 0.002, Pb%: < 0.01, Sn%: < 0.002, Si%: < 0.05, Zn%: < 0.005 B: Cu%: 63.5–68, Ni%: < 0.5, Fe%: < 0.1, Pb%: < 0.03.