Silver solder in powder form.
This silver solder powder is ideal for soldering very fine detail work, such as filigree.
Mix the soldering powder with slightly diluted flux to make a paste and apply it with a brush to the underside of your workpiece to solder the filigree with a torch.
The size of the powder is 100 mesh, which is about 0.144mm - 0.149mm and weighs 10g.
Contains:
60% Fine Silver
40% copper and zinc