如果你仔细观察就会发现,只要是正规厂家生产的塑料制品,其底部往往会有一个带箭头的三角型,而三角型中必都有一个数字。那么,你知道这些数字都代表着什么吗?“1”表示所用材料是聚对苯二甲酸乙二醇脂。常见于矿泉水瓶、碳酸饮料瓶等。这种塑料制品在使用10个月后,可能会释放出 If you look closely, you will find that as long as the regular manufacturers of plastic products, the bottom will often have a triangle with the arrow, while the triangle will have a number. So, do you know what these numbers represent? “1” indicates that the material used is polyethylene terephthalate. Common in mineral water bottles, carbonated beverage bottles. This plastic product may be released after 10 months of use