WBT lead-free solder is the highest quality solder, with 4% fine silver content. The halogen-free flux is gentle on precious metal surfaces.
The melting temperature is extremely low at 180˚C / 356˚F for lead-holding solder and 219˚C / 426˚F for lead-free solder.
250 grams / 0.575 lbs.
73m / 239′
You can find out more on the WBT range of products by visiting their web site here.