Otto Frei Hi-Karat Repair Solders are 100% Cadmium Free.  Repair Solders are of lower gold content than the quality of work that it is recommended for.  Otto Frei's Hi-Karat Repair Solders are of higher gold content than most other brands of repair solder. For Manufacturing, we recommend the use of Otto Frei's Plumb Gold Solders. This is pre-clipped gold repair solder, Easy flow only. Supplied in 1.0mm squares. Sold in tubes containing approximately 1 DWT. Cadmium Free

  Part No.   Metal Type

• 80C-721  18Y Yellow (Flow temp. 1425^oF)
• 800-721  14Y Yellow (Flow temp. 1325^oF)
• 807-721  10Y Yellow (Flow temp. 1340^oF)

Supplied in 1.0mm squares. Sold in tubes containing approximately 1 DWT. Cadmium Free