What does the numerical symbol 7 on the bottom of a plastic cup represent?

The numerical symbol 7 on the bottom of a plastic cup represents "other" plastic types or mixtures. http://www.umbottle.com/ProductsDetail-VB-10332.htmlThis code does not specify a particular type of plastic but is used to identify plastics that do not fall into the specific categories 1 to 6.

Plastics labeled with the "7" symbol typically include materials that are difficult to classify or are complex plastic compositions. They may involve a mixture of different types of plastics or contain specific additives. Therefore, http://www.umbottle.com/ProductsDetail-VB-10332.htmlthe "7" does not indicate a specific plastic composition, making the recycling and processing of these plastics more challenging as they may require more complex handling procedures.

It's important to note that the "7" identification does not imply food-grade quality or a specific type of plastic. Instead, it is used to encompass other plastics that do not fit into the explicitly categorized types 1 to 6. http://www.umbottle.com/ProductsDetail-VB-10332.htmlWhen dealing with plastics labeled "7," caution is advised, and it is recommended to consult local recycling facilities or relevant authorities to understand the appropriate handling methods.

Dongguan Zhanyi Commodity Technology Co., Ltd. specializes in the production of metal cups, plastic cups, coffee cups, suction mug, lunch boxes, food jar, travel mugs, portable water bottles, sports bottles, home life desktop trash cans, thermos bottles, etc.These products are all our annual exports, and are recognized and loved by the US, Europe, Australia, Japan, South Korea, Taiwan, Hong Kong and other consumers. Support for small quantity order, fast customization.