主要(yao)(yao)毒性(xing)物(wu)質(zhi):苯被公(gong)認為致癌物(wu)質(zhi),但(dan)苯類(lei)是樹脂材(cai)料(liao)的(de)良好溶劑,它具有溶解性(xing)強(qiang),揮發(fa)速度(du)快,價格便宜等(deng)優點,因此(ci)被廣泛用(yong)于樹脂的(de)溶劑。在包(bao)(bao)裝(zhuang)中(zhong)(zhong)主要(yao)(yao)用(yong)于復合包(bao)(bao)裝(zhuang)材(cai)料(liao)粘和(he)劑和(he)塑料(liao)印刷油墨的(de)溶劑。由于在復合材(cai)料(liao)和(he)塑料(liao)印刷過程中(zhong)(zhong)苯類(lei)溶劑揮發(fa)不完(wan)全,包(bao)(bao)裝(zhuang)材(cai)料(liao)或容器生(sheng)產設(she)備比較簡陋時有可能造成苯類(lei)物(wu)質(zhi)在包(bao)(bao)裝(zhuang)材(cai)料(liao)中(zhong)(zhong)殘留。食品包(bao)(bao)裝(zhuang)設(she)計過程中(zhong)(zhong)苯類(lei)物(wu)質(zhi)滲透到食品中(zhong)(zhong),會導致食品中(zhong)(zhong)含有苯。
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