• RubyFluid is a water-soluble flux paste formulated for soldering
• The flux is a non-fuming, self-cleaning
• Ideal for use on Copper, Brass, Ferrous Alloys and many more metals
• Pre-cleaning is not necessary under most conditions
• The flux exerts a strong scavenging action to remove oxide coatings and other impurities from the metal surface to produce strong joints
• ** Not recommended for Aluminum and Magnesium **
• Made in the USA

SRA Soldering products have made a name for themselves within America for being affordable, quality products that are all made in the USA.