主(zhu)要毒(du)性物(wu)質：苯(ben)(ben)(ben)被(bei)公認(ren)為致癌物(wu)質，但(dan)苯(ben)(ben)(ben)類(lei)是樹脂材(cai)(cai)(cai)料(liao)(liao)的(de)良好溶(rong)(rong)(rong)劑，它具(ju)有(you)溶(rong)(rong)(rong)解(jie)性強，揮發(fa)速度快，價格便(bian)宜等優點，因此被(bei)廣泛用(yong)于(yu)(yu)樹脂的(de)溶(rong)(rong)(rong)劑。在(zai)(zai)包(bao)裝(zhuang)(zhuang)中(zhong)主(zhu)要用(yong)于(yu)(yu)復合包(bao)裝(zhuang)(zhuang)材(cai)(cai)(cai)料(liao)(liao)粘和劑和塑料(liao)(liao)印刷油墨的(de)溶(rong)(rong)(rong)劑。由于(yu)(yu)在(zai)(zai)復合材(cai)(cai)(cai)料(liao)(liao)和塑料(liao)(liao)印刷過程中(zhong)苯(ben)(ben)(ben)類(lei)溶(rong)(rong)(rong)劑揮發(fa)不完全(quan)，包(bao)裝(zhuang)(zhuang)材(cai)(cai)(cai)料(liao)(liao)或容器生產設(she)備(bei)比(bi)較簡(jian)陋時有(you)可能造(zao)成苯(ben)(ben)(ben)類(lei)物(wu)質在(zai)(zai)包(bao)裝(zhuang)(zhuang)材(cai)(cai)(cai)料(liao)(liao)中(zhong)殘留。食(shi)品包(bao)裝(zhuang)(zhuang)設(she)計過程中(zhong)苯(ben)(ben)(ben)類(lei)物(wu)質滲透到食(shi)品中(zhong)，會導致食(shi)品中(zhong)含有(you)苯(ben)(ben)(ben)。