4.22走塑|用紙餐具易死?!防水塗層或含致癌PFAS  K Kwong:外國產都唔敢用何況淘寶貨

文: 程家健
2024.04.24

香港大學化學系博士K Kwong(鄺士山)日前在Facebook發文,指紙製餐具為防水一般都會在表面加上塗層,裡面或含對人有害成分,而且亦不一定比傳統膠餐具環保。K Kwong今日(24日)再度針對同一主題發文,進一步解釋紙製甚至木製餐具的潛在風險。

K Kwong帖文以4月24日諧音「死.易死」為題,稱紙張製作過程中會加入酸(H2SO4)、碱(NaOH)、漂白劑(Cl2、Cl2O、SO2)、螢光劑、防腐劑及填充物,直言「一張紙有過百隻有害chemicals(化學物質)」,稱自己甚至不會用紙巾抹餐具,「你用佢印書無問題,因為你唔會食咗本書」。

眾所周知紙張有吸水特性,如要用紙製成餐具就必須加上防止塗層,其中紙包飲品的塗層就有膠、鋁,紙餐具則可能含有帶PFAS的Teflon(聚四氟乙烯、特氟龍)。其次,K Kwong指為防紙張吸水後變硬一般要再加入填充物,常見填充物種類就有CaCO3、TiO2或膠粒,均不屬「食用級」,

「外國產我都唔敢用,何況淘寶貨?」

紙製餐具或有食安風險,但K Kwong指木、竹筷子都可以含有防腐劑「二氧化硫」,帶有臭味的特性亦不宜製成餐具。

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