主(zhu)(zhu)要毒性物(wu)(wu)質:苯(ben)(ben)被公認(ren)為致癌(ai)物(wu)(wu)質,但苯(ben)(ben)類是樹(shu)脂材(cai)料(liao)(liao)的(de)良好溶(rong)劑,它具有(you)溶(rong)解(jie)性強,揮(hui)發速度(du)快,價格便宜等優(you)點(dian),因此被廣(guang)泛用于樹(shu)脂的(de)溶(rong)劑。在包(bao)裝(zhuang)(zhuang)中(zhong)(zhong)主(zhu)(zhu)要用于復合(he)包(bao)裝(zhuang)(zhuang)材(cai)料(liao)(liao)粘和劑和塑料(liao)(liao)印刷油墨的(de)溶(rong)劑。由于在復合(he)材(cai)料(liao)(liao)和塑料(liao)(liao)印刷過(guo)程中(zhong)(zhong)苯(ben)(ben)類溶(rong)劑揮(hui)發不(bu)完全,包(bao)裝(zhuang)(zhuang)材(cai)料(liao)(liao)或容(rong)器生(sheng)產設備比較簡陋時有(you)可能造成苯(ben)(ben)類物(wu)(wu)質在包(bao)裝(zhuang)(zhuang)材(cai)料(liao)(liao)中(zhong)(zhong)殘留。食品包(bao)裝(zhuang)(zhuang)設計過(guo)程中(zhong)(zhong)苯(ben)(ben)類物(wu)(wu)質滲(shen)透到食品中(zhong)(zhong),會導致食品中(zhong)(zhong)含有(you)苯(ben)(ben)。
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