Along with the constant development of science and technology and people's requirements on life quality, lead-free solders are increasingly used to industrial field. Solders containing lead not only will pollute water resources and damage ecologic environment, but also will hurt people's nervous centralis and then cause many diseases and affect children's intelligence quotient and normal growth after being absorbed by organs. People's environmental awareness strengthens with each passing day, thus forbidden on lead has attracted the attention of international community. In order to eliminate the negative effects of the leads in tin-lead solder on human health, lead-free solders have taken the place of tin-lead solders in part of application fields.

Remark: We can customize products with different weight according to detailed demands.