BL-303 is dipping zincphosphating treatment agent.
BL - 303系槽浸型锌系磷化处理剂。
2
AZ91D Magnesium alloy samples were pretreated in zincphosphating bath, and then were plated NiP deposits from the bath containing nickel sulphate.
AZ 91d镁合金首先在无铬的磷酸盐溶液中磷化，然后在硫酸盐镀液中镀镍磷合金。
3
A new phosphating technology to meet the latest requirement of automakers is introduced, and the future development trend of zinc salt phosphating is discussed.