Which Designs Of Paper Cups Can Prevent Hot Hands

First of all, the choice of material for the paper cup is crucial. Modern paper cups are usually designed with a multi-layer structure, and the inner layer uses a special thermal insulation material, such as a polyethylene (PE) coating, which not only has good thermal insulation properties, but also prevents liquid penetration. This design allows the cups to remain lightweight while keeping out heat and reducing the risk of hot hands.
Secondly, the design of the wall of the paper cup is also quite ingenious. In order to increase the thermal insulation effect, some paper cups add a layer of air to the cup wall, forming the so-called "double cup wall". This design not only enhances the strength of the paper cup, but also allows the heat to be absorbed and dispersed by the air layer during the transfer process, thereby reducing the temperature of the cup wall.

In addition, the design of the mouth of the paper cup is also worth paying attention to. Some paper cups have a flip-out design at the rim to make the rim more spacious and easy to dissipate heat. At the same time, the eversioned rim also reduces the concentration of heat in the hand, further reducing the possibility of hot hands.