Requires rinsing with hot water. Used for high-temperature soldering of carbon steels, cast iron, brass, copper, hard alloys with copper and silver soldering alloys. Soldering of parts and surfaces in the temperature range of 800.1150 °C. Removes oxides from the surface to be soldered, improves the spreading of liquid solder when soldering carbon steels, cast iron, copper and its alloys with copper-zinc and silver solders.
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