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Rosin khrupky , vitreous, with a characteristic rogovisty break and glass gloss from dark red till light yellow color.
Rosin and its derivatives apply to gluing of paper and a cardboard as emulsifier in production of synthetic rubber , in production of rubbers , plastic , an imitation leather , linoleum , soap , varnishes and paints, electroinsulating mastics and compounds .
It is widely applied as gumboil at a tinning and the soldering to dissolution of films of oxides on a surface of the accustomed to drinking metals and solder that improves wettability of metals solder. It is applied at the soldering of steel details, details from copper alloys and copper , zinc , etc. non - ferrous metals. It is unsuitable for the soldering of aluminum and aluminum alloys.
