Place of origin:
China Model No:
copper welding flux Payment Terms:
T/T Minimum Order Quantity:
100kg Supply Ability:
100000tons/month Package:
bottle Delivery Time:
10days
Copper gas welding flux
the chemical compostion is Na2B4O7, AlPO4, H3BO3
with the melting point about 650C
used for gas welding and brazing of copper and copper alloy