Silver Tin Oxide - Thessco
The Thessco Group is one of the world’s largest manufacturers of Silver Brazing Alloys, Metal Joining Products and Industrial Silver Alloys.
Thessco Group, Silver Brazing Alloys, Metal Joining Products, Industrial Silver Alloys
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Silver Tin Oxide

These alloys are chemically produced and processed by powder metallurgical techniques. The oxide content ranges from 8 to 12%. Tin oxide alone does not confer  the required electrical characteristics and so it is used  in combination with other oxides to tailor the properties to the application. The most popular grades are those using Bismuth Oxide to give good arc quenching characteristics and a consistent contact resistance throughout the life of the contact. They are generally supplied as silver-backed strips.

Table 13

MaterialDensity g/ccAnnealed HvSolidus (°C)Electrical Conductivity %IACSElectrical Resistivity u.cm
GT 92 BC9.770962842.00
GT 90 BC9.675962822.10
GT 88 BC9.580962802.20