Metalloy MC-330 is a no-clean flux formulated with a small percentage of rosin and non-halide activators.This rosin activation system promotes excellent wetting performance and yet maintains a long-term electrical reliability.Post soldering residue of Metalloy MC-330 is minimal,colorless and slightly glossy. Metalloy MC-330是一种含有少量松香和非卤化物类活性剂的免清洗助焊剂,松香活性剂能实现优异的润湿性能并保持长期电气可靠性。