Multicore loctite no clean de soldering wick multicore 290998 multicore loctite no clean desoldering wick has been designed for static free desoldering of pc boards without the need for subsequent cleaning pc boards meet mil p 28809a cleanliness test without cleaning multicore no clean desoldering wick uses a special halide free no clean flux coated copper braid designed to improve wicking it will not lose its efficiency even after prolonged storage in humid conditions and the wick rema