在日常生活中,人们经常和塑料袋打交道,但市面上用来装食品的塑料袋由聚乙烯制成,是无毒的,而一些由聚氯乙烯制成的塑料袋则是有毒的,千万不能用来装食品。鉴别塑料袋有无毒性的方法:手触及颜色检测法:无毒的呈乳白色或无色透明,手摸有润滑感,表面似蜡样感;有毒的颜色混浊或呈黄、红、黑色,手感发粘。抖动检测法:抓住塑料 In everyday life, people often deal with plastic bags, but the plastic bags used to pack food on the market are made of polyethylene, which is non-toxic. However, some plastic bags made of polyvinyl chloride are poisonous, Can not be used to hold food. Identification of plastic bags are non-toxic methods: Hand touch color detection method: non-toxic was milky white or colorless and transparent, hand touch with a sense of lubrication, the surface looks like a wax-like; toxic color turbid or yellow, red, black, feel Sticky Jitter detection method: grab plastic