silver brazing metal has very good general capability:low melting point,high strength,good plasticity and perfect electrical and corrosion-resistant features.mixed with flux 102,silver brazing can braze most of it is widely used in these area of air-conditioners,refrigerators,mechanical-electrical and instruments,etc. there are many methods to braze,and the brazing with 0.05~0.13m/m gap is recommended,which can keep on working under the 200°c.the stength is 160~200 mpa for brazing purple copper,300~400 mpa for brass and stainless steel,and so on.