主(zhu)要(yao)毒性(xing)物質(zhi)(zhi)：苯(ben)(ben)(ben)被公認為致癌(ai)物質(zhi)(zhi)，但(dan)苯(ben)(ben)(ben)類是樹脂(zhi)(zhi)材料(liao)(liao)(liao)(liao)(liao)的良(liang)好溶(rong)(rong)劑(ji)，它具有溶(rong)(rong)解性(xing)強，揮發速度快，價格便宜等優點，因(yin)此被廣泛用于樹脂(zhi)(zhi)的溶(rong)(rong)劑(ji)。在(zai)包(bao)(bao)裝(zhuang)(zhuang)(zhuang)中(zhong)(zhong)(zhong)主(zhu)要(yao)用于復合包(bao)(bao)裝(zhuang)(zhuang)(zhuang)材料(liao)(liao)(liao)(liao)(liao)粘和劑(ji)和塑料(liao)(liao)(liao)(liao)(liao)印(yin)刷油墨的溶(rong)(rong)劑(ji)。由(you)于在(zai)復合材料(liao)(liao)(liao)(liao)(liao)和塑料(liao)(liao)(liao)(liao)(liao)印(yin)刷過程(cheng)中(zhong)(zhong)(zhong)苯(ben)(ben)(ben)類溶(rong)(rong)劑(ji)揮發不完全(quan)，包(bao)(bao)裝(zhuang)(zhuang)(zhuang)材料(liao)(liao)(liao)(liao)(liao)或容器生產設備(bei)比較(jiao)簡陋時有可能造成苯(ben)(ben)(ben)類物質(zhi)(zhi)在(zai)包(bao)(bao)裝(zhuang)(zhuang)(zhuang)材料(liao)(liao)(liao)(liao)(liao)中(zhong)(zhong)(zhong)殘留。食品(pin)(pin)包(bao)(bao)裝(zhuang)(zhuang)(zhuang)設計過程(cheng)中(zhong)(zhong)(zhong)苯(ben)(ben)(ben)類物質(zhi)(zhi)滲透到食品(pin)(pin)中(zhong)(zhong)(zhong)，會導致食品(pin)(pin)中(zhong)(zhong)(zhong)含有苯(ben)(ben)(ben)。