主(zhu)要毒性物(wu)質:苯被公認為致(zhi)癌物(wu)質,但苯類(lei)是樹(shu)脂材(cai)(cai)料(liao)(liao)的良好溶(rong)劑(ji)(ji),它(ta)具有(you)溶(rong)解性強(qiang),揮發速(su)度快(kuai),價(jia)格便宜(yi)等優點,因此被廣泛(fan)用于(yu)樹(shu)脂的溶(rong)劑(ji)(ji)。在包(bao)裝(zhuang)中(zhong)(zhong)主(zhu)要用于(yu)復合(he)(he)包(bao)裝(zhuang)材(cai)(cai)料(liao)(liao)粘和劑(ji)(ji)和塑(su)料(liao)(liao)印(yin)刷(shua)油墨的溶(rong)劑(ji)(ji)。由于(yu)在復合(he)(he)材(cai)(cai)料(liao)(liao)和塑(su)料(liao)(liao)印(yin)刷(shua)過程中(zhong)(zhong)苯類(lei)溶(rong)劑(ji)(ji)揮發不(bu)完全,包(bao)裝(zhuang)材(cai)(cai)料(liao)(liao)或容器生產設備比較簡陋時(shi)有(you)可能造成(cheng)苯類(lei)物(wu)質在包(bao)裝(zhuang)材(cai)(cai)料(liao)(liao)中(zhong)(zhong)殘留。食(shi)品(pin)(pin)包(bao)裝(zhuang)設計過程中(zhong)(zhong)苯類(lei)物(wu)質滲透到食(shi)品(pin)(pin)中(zhong)(zhong),會導致(zhi)食(shi)品(pin)(pin)中(zhong)(zhong)含有(you)苯。
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