Superior RubyFluid is a water-soluble flux formulated for soldering. This is a 2 oz paste.
The flux is a non-fuming, self-cleaningsoldering flux.
The flux exerts a strong scavenging action to remove oxide coatings and other impurities from the metal surface to produce strong joints. Pre-cleaning is not necessary under most conditions.
APPLICATIONS:
Superior RubyFluid is excellent for use on Copper, Brass, Ferrous Alloys and many more metals.
It is not recommended for Aluminum and Magnesium