中国, 上海关闭 美国, 中环
翻转交叉Composition of plastic bags
Composition of plastic bags Synthetic resin Synthetic resin is the main component of plastic, and its content in plastic is generally 40% to 100%. Due to the large content and the properties of resins that often determine the properties of plastics,…
Material classification of plastic bags
Material classification of plastic bags (1) High pressure polyethylene plastic bag (2) Low pressure polyethylene plastic bag (3) Polypropylene plastic bags (4) PVC plastic bags (5) Vinyl acetate (EVA) (6) Polyethylene + vinyl acetate (PE + EVA mixture)…
Characteristics of fruit storage in plastic bags
Characteristics of fruit storage in plastic bags Vegetables and fruits are stored in plastic bags, which is a scientific preservation method commonly used by people in winter. The principle is to reduce the concentration of oxygen and increase the concentration…
Characteristics of plastic bags
Characteristics of plastic bags Commonly used food plastic bags are mostly made of polyethylene film, which is non-toxic, so it can be used to hold food. There is also a film made of polyvinyl chloride, which itself is non-toxic, but the additives added…
the use of plastic bags
the use of plastic bags (1) High pressure polyethylene plastic bag The invention of plastic bags has brought great convenience to human life, but more and more people do not know how to use it effectively and environmentally, which has led to the globalization…
