|
|
|
Sn
|
*9.**3
|
|
Pb
|
0.**5
|
|
As
|
0.**3
|
|
Bi
|
0.**3
|
|
Cu
|
0.**1
|
|
Fe
|
0.**2
|
|
Ni
|
0.**1
|
|
Co
|
< 0.**1
|
|
Ag
|
< 0.**1
|
|
Sb
|
0.**2
|
|
Zn
|
< 0.**1
|
|
Cd
|
< 0.**1
|
|
Al
|
< 0.**1
|
|
Au
|
< 0.**1
|
|
In
|
< 0.**2
|
|
S
|
< 0.**2
|
Features
1. High purity, excellent weldability, good infiltration.
2. Clean, beautiful, after welding, insulation, high
resistance, low ionic contamination, PCB board welding residual
minimal.
3. Good oxidation resistance, low tin slag and cost savings.
4. Solder joint is bright, full and uniform.
5. Economical and can produce the lowest consumption of most of
the solid solder joints.
Main purpose
High-precision electronic products, and other requirements of
precision welding products, welding products, general
electronics, food industry packaging, automotive and electrical
industry, and high temperature resistant products.
