YUANFU

　　With the rapid development of China's economy, disposable paper cups as the application of convenient career supplies, home travel, easy to carry has become a family, restaurants, offices and other places essential daily spending. Its versatile shape, bright colors, not afraid of the characteristics of the fall, by many people. The current market sales of paper cups, in the structural design, generally use a single layer of paper production, there will generally be a low strength of paper cups, filling hot water, the cup is prone to deformation, and poor thermal insulation effect is not non-slip. The following small introduction to the function of double-layer paper cups.

　　Single-layer paper cups is a disposable paper cups, also known as single-sided lamination paper cups, that is, paper cups inside the layer of smooth pe lamination single-layer cups are generally used to hold drinking water, convenient for people to drink, single house raw materials using food-grade wood pulp paper + food-grade PE film made. Double-layer paper cups, as the name suggests, means that the paper cups are double-layered, there are two layers. The quality of double-layer paper cups is better than single-layer paper cups. Double-layer paper cups can also be used for a longer period of time than single-layer paper cups. They can also be used to serve hot beverages, such as hot coffee.

　　In order to expand the scope of application of paper cups, in 1940, straight walled double-layer paper cups to the market, this kind of paper cups are not only easy to carry, but also can hold hot drinks. Subsequently, manufacturers and these paper cups coated with latex to cover the paper cup material has the taste of paper cups, and to strengthen the leakage of paper cups, after the latex coated single-layer waxed cup cups are widely used to contain hot coffee. A double-layer paper cup comprising a base and a double-layer paper cup body comprising an inner paper cup body and an outer paper cup body, each layer of the paper cup body being provided with concave and convex reinforcing bars on the inner or outer surfaces of the paper cup body, the surface comprising said concave and convex reinforcing bars being a concave and convex surface, and sealing and adhering between said inner layer paper cup body and said outer layer paper cup body.