主(zhu)要(yao)毒性物(wu)質(zhi):苯(ben)被公(gong)認(ren)為致癌物(wu)質(zhi),但苯(ben)類(lei)是樹(shu)脂(zhi)材(cai)料的良好溶劑(ji)(ji),它具(ju)有溶解性強,揮(hui)發速度(du)快,價格便(bian)宜等(deng)優點,因此被廣泛用(yong)于(yu)樹(shu)脂(zhi)的溶劑(ji)(ji)。在(zai)(zai)包(bao)裝(zhuang)(zhuang)中(zhong)(zhong)主(zhu)要(yao)用(yong)于(yu)復合包(bao)裝(zhuang)(zhuang)材(cai)料粘和(he)劑(ji)(ji)和(he)塑(su)料印刷(shua)油墨的溶劑(ji)(ji)。由于(yu)在(zai)(zai)復合材(cai)料和(he)塑(su)料印刷(shua)過程(cheng)中(zhong)(zhong)苯(ben)類(lei)溶劑(ji)(ji)揮(hui)發不完全,包(bao)裝(zhuang)(zhuang)材(cai)料或容器生(sheng)產設(she)備比(bi)較簡陋時有可能(neng)造(zao)成苯(ben)類(lei)物(wu)質(zhi)在(zai)(zai)包(bao)裝(zhuang)(zhuang)材(cai)料中(zhong)(zhong)殘留。食(shi)(shi)品包(bao)裝(zhuang)(zhuang)設(she)計過程(cheng)中(zhong)(zhong)苯(ben)類(lei)物(wu)質(zhi)滲透到食(shi)(shi)品中(zhong)(zhong),會導致食(shi)(shi)品中(zhong)(zhong)含有苯(ben)。
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