REMOVED PROVISIONALLY - anti-dumping measures on chlorine 03.12.2013 isocyanate hardener The us has published the results of the administrative review of anti-dumping duties for chlorine isocyanate hardener from Spain. The dumping margin calculated has been zero, so that they are removed the time the anti-dumping duties for the company concerned. Be however continue to monitor the situation with a view to forthcoming revisions.