主要毒性物(wu)(wu)質(zhi)(zhi)：苯(ben)(ben)被(bei)公認為致(zhi)(zhi)癌物(wu)(wu)質(zhi)(zhi)，但(dan)苯(ben)(ben)類(lei)是樹脂(zhi)材料(liao)的良好(hao)溶(rong)劑，它具有溶(rong)解性強，揮(hui)發(fa)速度快，價格(ge)便宜等優點，因(yin)此被(bei)廣泛用于樹脂(zhi)的溶(rong)劑。在包(bao)裝(zhuang)(zhuang)中(zhong)(zhong)(zhong)(zhong)主要用于復合包(bao)裝(zhuang)(zhuang)材料(liao)粘(zhan)和劑和塑(su)料(liao)印刷油(you)墨的溶(rong)劑。由于在復合材料(liao)和塑(su)料(liao)印刷過程(cheng)(cheng)中(zhong)(zhong)(zhong)(zhong)苯(ben)(ben)類(lei)溶(rong)劑揮(hui)發(fa)不完全，包(bao)裝(zhuang)(zhuang)材料(liao)或容器生產設備比較簡陋(lou)時(shi)有可能造成苯(ben)(ben)類(lei)物(wu)(wu)質(zhi)(zhi)在包(bao)裝(zhuang)(zhuang)材料(liao)中(zhong)(zhong)(zhong)(zhong)殘(can)留。食(shi)(shi)品(pin)包(bao)裝(zhuang)(zhuang)設計過程(cheng)(cheng)中(zhong)(zhong)(zhong)(zhong)苯(ben)(ben)類(lei)物(wu)(wu)質(zhi)(zhi)滲透(tou)到食(shi)(shi)品(pin)中(zhong)(zhong)(zhong)(zhong)，會導(dao)致(zhi)(zhi)食(shi)(shi)品(pin)中(zhong)(zhong)(zhong)(zhong)含有苯(ben)(ben)。