主(zhu)要(yao)毒性物(wu)質(zhi)(zhi):苯(ben)被公(gong)認為(wei)致(zhi)癌物(wu)質(zhi)(zhi),但苯(ben)類是樹(shu)脂材(cai)(cai)料(liao)的良(liang)好溶(rong)(rong)劑(ji)(ji),它具(ju)有(you)溶(rong)(rong)解性強,揮發速(su)度快,價格便宜等(deng)優點(dian),因此被廣泛用(yong)于(yu)樹(shu)脂的溶(rong)(rong)劑(ji)(ji)。在包裝(zhuang)中主(zhu)要(yao)用(yong)于(yu)復(fu)合包裝(zhuang)材(cai)(cai)料(liao)粘和(he)(he)劑(ji)(ji)和(he)(he)塑料(liao)印刷(shua)(shua)油墨的溶(rong)(rong)劑(ji)(ji)。由于(yu)在復(fu)合材(cai)(cai)料(liao)和(he)(he)塑料(liao)印刷(shua)(shua)過程(cheng)中苯(ben)類溶(rong)(rong)劑(ji)(ji)揮發不完全,包裝(zhuang)材(cai)(cai)料(liao)或(huo)容器生產設(she)備(bei)比較簡陋時(shi)有(you)可能造成苯(ben)類物(wu)質(zhi)(zhi)在包裝(zhuang)材(cai)(cai)料(liao)中殘留。食(shi)(shi)品包裝(zhuang)設(she)計過程(cheng)中苯(ben)類物(wu)質(zhi)(zhi)滲透到食(shi)(shi)品中,會導(dao)致(zhi)食(shi)(shi)品中含有(you)苯(ben)。
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