Solar Flux Type B for Welding Stainless Steel & High Chromium Steel. Solar Flux Type I for Welding High Nickel Alloys. Solar Flux has been producing X-Ray Quality Welds in Stainless Steel for over *0 years. It is often preferred over argon back-purging gas for its ease of use, speed, simplicity and low cost. Other variables being the same, either Solar Flux or Backing Gas will produce the same quality Weld. The shielding gas or the flux in the electrode only protects the front of the weld. In thin wall material, or when making the root pass in thicker material, you must either use Solar Flux or Back-Purge with Argon Gas to drive out the Oxygen, Float out unwanted Oxides, and Dissipate the heat on the back of the weld. If not, you get a sugary, porous weld, and burn-through. The front of the weld will look good; but you’ll see the difference when you look at the back. Solar Flux is inert, non-flammable, and non-explosive and can be shipped in any quantity by any means of transportation. AWS/ANSI code: See Structural Welding Code**-Stainless Steel. AWS D1.6:***9 Backing required for welder performance qualification (WPQ) and flux backing acceptable, Sections 3.*9 and 4.8.7. SOLAR FLUX type B conforms to the requirements of United States Military Specification MIL-F****6B, classes 2 and 4. SOLAR FLUX type I conforms to the requirements of United States Military Specification MIL-F****6B, classes 1, 2, 3 and 4. The shelf life is infinite as long as it hasn’t been mixed with fluid and remains in a closed can. A little Solar Flux goes a long way: 2 oz. properly mixed and applied will cover approximatly *0 lineal feet. Common Applications: Pipe and Tube Welding, Maintenance Welding, In Field Welding, One of a Kind Welds, Unusual Shapes and Configurations, Large Diameter Pipes and Ducts, Various Aircraft and Jet Engine Repairs, and many more. A Material Safety Data Sheet and Technical Information & Specifications are enclosed.