Active Resin Cored Solder Wire are made of super low impurity raw material.All meet GB3131-2001 standard.There are three types of resin cored wire according to different flux,including high lever,middle level and low level,which used in different situation.Asia General brand active resin cored solder wire offers excellent capability,leading to bright and shiny joints,good insulation and free form corrosiveness.It is designed to be used in a wide variety of eletronic appliance and electronic household appliance