LUOWEI LW-223 Lead-Free Zero Resistance Flux Paste 100g The LUOWEI LW-223 is a high-performance, lead-free flux paste specifically engineered for precision BGA, PGA, and SMD rework. It is popularized in the electronics repair industry for its “zero-resistance” and “non-conductive” properties, which ensure that leftover residue does not interfere with delicate high-frequency signals, such as those … Continue reading LUOWEI LW-223 Lead-Free Zero Resistance Flux Paste 100g