Lead-containing flux-cored solder


Nihon Genma's best flux cored solder was launched

Clean finish with less burnt residue and bubbles.
Work environment can be improved by very low level of fume.
Ensured outstanding wettability.

Burn suppression effect

Significantly reduces residue and solder iron burnt.

Bubble suppression effect

Significantly reduces bubbles inside flux residue .

Fume suppression effect

Significantly reduced flux fume and improved working environment.


Excellent wettability compared to conventional products.




  Characteristics       STU-NP303



Alloy Composition







Melting Point





♦ High Performance for High Temperatures


Halide Content