We at PMWest have a reasonably low flowing rose solder (14kRose
Extreme easy) I do not know if it flows much lower than Hoovers
FYI-You have one thing going against you though-When solder makers
add the flow reducing metals, they reduce the copper in the blend,
which makes for a very pale rose color. If we leave the copper in
there, the temperatures stay too darn high. I spent weeks trying to
untie this metallurgical knot. The above solder is our best effort.
Come see us at Tucson, Booth 2500 in the MJSA pavilion at AGTA. (In