On Thursday, 17 July 2014 08:08:10 UTC+1, The Natural Philosopher wrote:


The term SILVER solder refers to a calls of hard high temperature
solders with much higher silver content that are not used in plumbing
applications.

We've just brought some silver ink, we've had siler paint and silver epoxy in before, not the sort of stuff DIYers might use as it contains real silver as it has to conduct electricity rather than just be a colour choice.