主要毒性(xing)物(wu)質:苯被公認為致癌物(wu)質,但苯類是樹(shu)脂材料的良好溶(rong)(rong)(rong)劑,它具有溶(rong)(rong)(rong)解(jie)性(xing)強,揮發速度(du)快,價格(ge)便(bian)宜等(deng)優點,因此被廣泛(fan)用于樹(shu)脂的溶(rong)(rong)(rong)劑。在(zai)(zai)包裝(zhuang)(zhuang)(zhuang)中(zhong)主要用于復(fu)合包裝(zhuang)(zhuang)(zhuang)材料粘和(he)劑和(he)塑料印(yin)(yin)刷油墨的溶(rong)(rong)(rong)劑。由于在(zai)(zai)復(fu)合材料和(he)塑料印(yin)(yin)刷過程中(zhong)苯類溶(rong)(rong)(rong)劑揮發不完全,包裝(zhuang)(zhuang)(zhuang)材料或容器生(sheng)產設備比較(jiao)簡陋時有可能造(zao)成(cheng)苯類物(wu)質在(zai)(zai)包裝(zhuang)(zhuang)(zhuang)材料中(zhong)殘留。食品(pin)包裝(zhuang)(zhuang)(zhuang)設計過程中(zhong)苯類物(wu)質滲透到食品(pin)中(zhong),會導(dao)致食品(pin)中(zhong)含(han)有苯。
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