FLUX

SFB-102

B2O3：33-37
KBF4：21-25
KF：40-44

600-850

White powder ,Mixed with Silver brazing , alloy Can braze Copper, copper alloy, steel and cast-iron, with strong removing oxide-capability.

SFB-204

KF-A1F3

-

White powder, Mixed with brass brazing alloy, can brazing copper, steel , cast-iron, and hard metal with high activity temperature.

SFB-101

KBF4：68-71
H3BO3：30-31

550-850

White and mushy, suitable especially for automatic manufacture due to its low activity temperature and strong removing oxide property. Mixing with silver brazing alloy, can braze copper, copper alloy and steel, etc.