一、塑料回收标志的分类塑料制品回收标识,由美国塑料行业相关机构制定,这套标识将塑料材质辨识码打在容器或包装上,从1号到7号,让民众无需费心去学习各类塑料材质的异同,就可以简单地加入回收工作的行列.每个塑料容器都有一个小小身份证——一个三角形的符号,一般就在塑料容器的底部.三角形里边有1～7数字,每个编号代表一种塑料容器,它们的制作材料不同,使用上禁忌上也存在不同.我国从1996年 First, the plastic recycling mark classification Plastic product recycling logo, developed by the relevant agencies of the US plastics industry, this set of plastic identification tag hit the container or packaging, from 1 to 7, so that people do not bother to learn all kinds of The similarities and differences between the plastic material, you can simply join the ranks of recycling work.Each plastic containers have a small ID card - a triangular symbol, usually in the bottom of the plastic container.There are 1 to 7 numbers inside the triangle, each A number on behalf of a plastic container, their production of different materials, there are differences in the use of taboo. Our country from 1996