Solar Flux, in its powder state before mixing with alcohol (methanol preferred), as a virtually infinite shelf life. In its powder state Solar Flux is unaffected by freezing, has no flash point, is non-flammable and non-explosive, and completely safe for transporting by air. A little flux goes along way, 2 oz. of flux, properly mixed and applied, covers about 80 lineal feet of joint. use Type B on Stainless Steel and High Chromium Alloys. Package of 1
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