40% Silver Solder 2.0mm Rod Cadmium Free An active Silver Solder Flux with a working temperature range of 600-800C, designed for use with Sif Silver Solder alloys and SifCupron CuPAg alloys. Ideal for hot-dipping of the brazing rod or for brush-on application as a paste, mixed with water. Working temperature - 600 - 800C Applications: Sif Silver Solder Flux can be used on most common metals capable of being brazed with silver brazing alloys melting up to 750C, including steels and coppers, and can be used to braze stainless steel at temperatures below 700C. Ordering thead> tr> th>Description th>Part No. /tr> /thead> tbody> tr> td>Silver Solder Flux 225g Jar td>FO380022 /tr> tr> td>Silver Solder Flux 500g Jar td>FO380050 /tr> /tbody> /table>