Rippled paper cups, also known as corrugated or double-walled cups, are designed to handle hot beverages more effectively than single-wall paper cups. Their enhanced performance stems from their unique structure and material composition, which improve insulation, user comfort and overall safety. Unique features which make them stand out among the other designs are:
Thermal insulation
Unlike single-wall cups, which consist of a single layer of paper with a thin lining to prevent leaks, rippled cups have an extra air gap or corrugated layer between the inner and outer surfaces. This layer traps air, which is a poor conductor of heat, thus slowing down the transfer of heat from the hot liquid to the exterior of the cup. Consequently, the beverage retains its temperature for longer and the outer surface remains cooler to the touch, thereby reducing the risk of burns or discomfort when holding the cup.
- In contrast, single-wall cups transfer heat more directly. Although they may have a thin polyethylene or bioplastic lining to prevent leaks, the lack of an insulating layer means the cup conducts heat to the hand quickly, often necessitating the use of cardboard sleeves or double-cupping to protect the user. Rippled cups inherently reduce this need because the corrugated or ribbed texture acts as a natural buffer.
Structural rigidity
The structural rigidity of rippled cups https://univest-pack.com/shop/paper-cups/double-wall-cup/ripple-cups/ also improves their thermal performance. The corrugated outer layer strengthens the cup, preventing deformation when it is exposed to heat or filled to capacity. This makes sure that the air layer that keeps things warm stays in one piece, so that heat is kept in and people are protected if there is a spill because of the sides collapsing.
Enhanced safety
Rippled cups enhance the user experience in ways that go beyond simple insulation. Their textured surface provides a better grip, which is particularly useful when handling hot liquids, reducing the likelihood of slips or burns. Many designs also feature secure lids and compatible sleeves, which further enhance safety and thermal retention.
From a practical perspective, rippled cups are particularly advantageous in cafés, takeaway outlets and outdoor settings where hot drinks are served over an extended period. While single-wall cups may suffice for short-term consumption, rippled cups are clearly superior at maintaining the temperature of beverages and ensuring hand comfort over longer periods.
Phoro credits: Coworking London