I have maybe a kilo of rosin pieces, left over from dropping various cakes onto the floor. I know rosin can be heated and melted in a crucible (I have done this already, very easy). But, how to get the mould to release the rosin? Are special mould materials used, and if so what are they?
This discussion has been archived and is no longer accepting responses.
Violinist.com is made possible by...
Discover the best of Violinist.com in these collections of editor Laurie Niles' exclusive interviews.