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綠色食品標準對紙類包裝有何要求?

綠色食品標準對紙類包裝有何要求?紙類是常見的包裝材料。造紙的原料主要是各種紙漿、如木漿、棉漿和草漿等,加入化學輔助原料,如硫酸鋁、純堿、亞硫酸鈉等。純凈的紙是無毒的,但食品包裝用紙安全性可能存在以下影響因素:紙的原料有污染物,影響接觸的食品;經熒光增白劑處理的包裝紙中有熒光化學物質;包裝紙涂蠟層中具有多環芳烴;紙面印刷油墨和顏料中含有各種有機物;紙面長霉,污染接觸食品等。
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  綠色食品對紙類包裝基本要求是:包裝可重復使用、回收利用或可降解;紙表面不允許涂蠟、上油;不允許涂塑料等防潮材料;紙箱連接應采取粘合方式,不允許扁絲釘釘合;紙箱上所做標記必須是水溶性油墨,不允許用油溶性油墨,以保證食品安全并減少環境負擔。
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