First of all, let's find out what is a single-layer paper cup, what is a double-layer paper cup, and what is a double-layer pla paper cup?
Single-layer paper cup is one of the paper cups, also known as single-sided coated paper cup, it is a smooth coated single-layer cup inside the paper cup, usually used to hold drinking water. As the name suggests, double-layer paper cups mean that the paper cups are double-layered and have two layers. The quality of double-layer paper cups is better than that of single-layer paper cups. Compared with single-layer paper cups, double-layer paper cups last longer. It can also be used to serve hot beverages such as hot coffee.
With the rapid development of China's economy, disposable paper cups have become an indispensable daily necessities in households, restaurants, offices and other places as a daily necessities for convenience. Its changeable shape, bright colors, and the characteristics of not being afraid of being beaten are loved by many people. At present, the paper cups sold in the market are generally made of single-layer paper in terms of structural design. Generally, the paper cups have low strength. After holding hot water, the cup body is easily deformed, and the heat insulation effect is poor and non-slip. The following small series will introduce the function of the double-layer paper cup.
Single-layer paper cups are one of the disposable paper cups, also known as single-sided coated paper cups, that is, the layer inside the paper cup has a smooth PE coated single-layer cup, which is generally used to hold drinking water, which is convenient for people to drink. The raw materials of the house are made of food-grade wood pulp paper + food-grade PE film. Double-layer paper cups, as the name suggests, means that the paper cups are double-layered and have two layers. The quality of double-layer paper cups is better than that of single-layer paper cups. Double-layer paper cups also last longer than single-layer paper cups. It can also be used to hold hot beverages, such as hot coffee.
In order to expand the application range of paper cups, in 1940, straight-wall double-layer paper cups were introduced to the market. This paper cup is not only easy to carry, but also can hold hot beverages. Afterwards, the manufacturer coated these paper cups with latex to cover the taste of the paper cups and enhance the leak-proofness of the paper cups. The single-layer wax-coated cups after the latex coating treatment are widely used to hold hot coffee.
A double-layered paper cup includes a base and a double-layered paper cup body composed of an inner layer of paper cup body and an outer layer of paper cup body. The inner surface or outer surface of each layer of paper cup body is provided with uneven reinforcement ribs, and the uneven reinforcement ribs are formed by the uneven reinforcement ribs. The composed surface is a concave-convex surface, and the inner layer paper cup body and the outer layer paper cup body are sealed and adhered to each other.
For more information about paper cups, please continue to pay attention to Pando recyclable paper cups.