lead free flux, various types of fluxes suitable for soldering from Printed Circuit Board to special metals ZXRH601-606 Lead-free flux Specific FeaturesFor foaming, spraying, immersion soldering, brushing, without causing wasteLow odor, no pollution to the working environment, tracks&clamps of the soldering machineEasy tinning and drying, no white powder would be caused on the welding ...