Aoki solder alloys are manufactured with the highest quality of virgin metals, since metallic impurities can cause a lot of nuisances in the soldering process.

The table shown as below, indicates Aoki's stringent requirements on impurities control, as per compared to JIS-Z-3282. We put careful effort to monitoring the quality of our incoming raw materials, because the key to serve our customers better is to sell them the perfect products.

To attain the best quality of raw material, we teamed-up with our suppliers to ensure the raw materials were fulfilled according to Aoki's specification.

The table shown as below, indicates Aoki's stringent requirements on impurities control, as per compared to JIS-Z-3282. We put careful effort to monitoring the quality of our incoming raw materials, because the key to serve our customers better is to sell them the perfect products.

* Our long-term purchase agreements, with our closely associated raw material suppliers, ensure a steady and stable supply of the best materials delivered to our warehouses.

TIN: Purity: 99.92%Min
ElementWT%STD4-NLOW LEAD
 

 

50ppm 100ppm 200ppm 200ppm low Fe.
Sn. % Tin ( Min ) 99.92 99.99 99.94 99.9399.92 99.92
As. % Arsenic( Max ) 0.017 0.0170.017 0.017 0.017 0.017
Pb. % Lead( Max ) 0.036 0.010 0.010 0.010 0.020 0.020
Cu. % Copper( Max ) 0.009 0.009 0.009 0.009 0.009 0.009
Bi. % Antimony( Max ) 0.004 0.004 0.004 0.004 0.004 0.004
Sb. % Antimony( Max ) 0.005 0.005 0.005 0.005 0.005 0.005
Ni. % Nickel( Max ) 0.005 0.005 0.005 0.005 0.005 0.005
Al. % Aluminum( Max ) 0.001 0.0001 0.001 0.001 0.001 0.001
Cd. % Cadmium( Max ) 0.001 0.0001 0.001 0.001 0.001 0.001
Zn. % Zinc( Max ) 0.001 0.0001 0.001 0.001 0.001 0.001
Ag. % Silver ( Max ) 0.001 0.0006 0.001 0.001 0.001 0.001
COPPER: Purity: 99.95%Min
Element WT%
Sn. % Tin <0.001
Pb. % Lead <0.001
Sb. % Antimony <0.001
Ni. % Nickel <0.001
As. % Arsenic <0.001
Cu. % Copper 99.95
Bi. % Bismuth <0.001
Fe. % Iron <0.001
Ag. % Silver <0.001
Zn. % Zinc <0.001
Cd. % Cadmium <0.001
Al. % Aluminum <0.001
Hg. % Mercury <0.001
Cr % Chromium (Total) <0.10
SILVER: Purity: 99.99%Min
Element WT%
Sn. % Tin <0.001
Pb. % Lead <0.001
Sb. % Antimony <0.001
Ni. % Nickel <0.001
As. % Arsenic <0.001
Cu. % Copper <0.001
Bi. % Bismuth <0.001
Fe. % Iron <0.001
Ag. % Silver 99.99
Zn. % Zinc <0.001
Cd. % Cadmium <0.001
Al. % Aluminum <0.001
Hg. % Mercury <0.001
Cr % Chromium (Total) <0.10