1/16" Gen Rep Silver Solder.9 oz. Self fluxing 6-Percent silver content comes in a plastic dispenser tube to protect it from the elements Can be used on stainless steel, copper, brass and nickel and chrome plated metal and iron Joint strength up to 20,000 PSI with tensile strength that stays bright and hard Working temperature up to 1,100 degrees Fahrenheit/593 degrees Celsius Application temperature is 400 degree Fahrenheit to 700 degrees Fahrenheit ie.204 degrees Celsius to 371 degrees Celsius