Rub Red Flux - Liquid - 1 Pint Spring Essentials Non-reflective black back prevents the

Non-reflective black back prevents the copper finish from being visible through translucent and transparent glass

this apron features a one-sided print that beautifully displays the intricate and vibrant stained glass design

It melts at 372 F and solidifies at 361 F

Large – 10mm x 25mm (25 bails per bag)

Rub Red Flux - Liquid - 1 Pint Spring Essentials Non-reflective black back prevents theRubyFluid Liquid Flux is a versatile general purpose soldering flux that is used in numerous applications including stained glass, plumbing, roofing, electrical, and many others. This inorganic acid flux causes solder to flow in a thin film, thus saving solder. RubyFluid flux adheres quickly when applied and stays put where applied.