加拿大政府建議列入管理之化學物質清單 加拿大政府日前公布可能限用之化學物質清單,清單上包括5個助焊劑的成份: 1. Resin acids and Rosin acids, hydrogenated, esters with pentaerythritol (CAS# 64365-17-9); 2. Rosin, hydrogenated (CAS# 65997-06-0); 3. Resin acids and Rosin acids, hydrogenated, esters with glycerol (CAS# 65997-13-9); 4. &nb