Soder-Wick no-clean is designed to provide fast and safe desoldering without leaving behind harmful flux residues. Soder-Wick no-clean uses pure, oxygen free copper braid and a patented flux technology to make an efficient and effective desoldering braid. - Soder-Wick no-clean SD is available on ESD safe bobbins for protection against damage due to static electricity. Minimizes the risk of damage associated with static electricity. Patented non-corrosive, halide-free, organic no-clean flux.