主要毒(du)性(xing)物(wu)質:苯被(bei)公(gong)認(ren)為(wei)致癌(ai)物(wu)質,但苯類是樹(shu)脂材(cai)(cai)(cai)料(liao)(liao)的良(liang)好溶劑(ji)(ji),它(ta)具有溶解性(xing)強,揮發速(su)度快(kuai),價格便宜等優(you)點,因此被(bei)廣泛用于樹(shu)脂的溶劑(ji)(ji)。在(zai)包(bao)(bao)裝中(zhong)(zhong)主要用于復(fu)合包(bao)(bao)裝材(cai)(cai)(cai)料(liao)(liao)粘(zhan)和(he)劑(ji)(ji)和(he)塑料(liao)(liao)印刷油墨的溶劑(ji)(ji)。由于在(zai)復(fu)合材(cai)(cai)(cai)料(liao)(liao)和(he)塑料(liao)(liao)印刷過程中(zhong)(zhong)苯類溶劑(ji)(ji)揮發不完全,包(bao)(bao)裝材(cai)(cai)(cai)料(liao)(liao)或容器生(sheng)產設備比(bi)較簡(jian)陋時(shi)有可能造(zao)成苯類物(wu)質在(zai)包(bao)(bao)裝材(cai)(cai)(cai)料(liao)(liao)中(zhong)(zhong)殘留。食品包(bao)(bao)裝設計(ji)過程中(zhong)(zhong)苯類物(wu)質滲透到食品中(zhong)(zhong),會導致食品中(zhong)(zhong)含有苯。
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