ALPHA HF-1 FLUX GEL is a rosin-based paste flux designed for rework of surface mount and other demanding electronic assembly applications. Because of its unique activator package and other special additives, ALPHA HF-1 FLUX GEL is suitable to remain on the circuit board without cleaning. ALPHA HF-1 FLUX GEL’s activator system also enables the flux to penetrate even moderately tarnished surfaces.

Features and Benefits

• Wide Reflow Profile Window: allows best quality solderability of complicated, high-density PWB assemblies in both air and nitrogen reflow, using straight ramp or soak profiles up to 300°C.
• Excellent Solder Joint and Flux Residue Cosmetics: after reflow soldering even using long/high thermal soaking without charring or burning. 
• Broad Range of Rework Capabilities: Can be used for all touch up & hand soldering operations as well as BGA repair/re-balling and QFN/LGA repair.