Used for making flux for jewellery soldering and to coat melting crucibles.
Dissolve to make a paste which will inhibit the formation of oxides on metal surfaces and allow solders to flow more easily.
Coating melting crucibles with borax will help to prolong their life.
| Brand | Gesswein® |
| Country of Origin | United States of America |
| Package Size | 1 lb. |
Safety Data Sheet (SDS)