Corrugated cardboard can be processed into materials for various different uses.
Corrugated cartons: The hollow structure absorbs impact and buffers force. The material is lighter (only half the weight of wooden boxes) and takes up less space (can be folded for storage).
Corrugated paper cup fan: Can be pasted on the outer layer of single - wall cups to improve heat insulation and anti - slip performance. They are widely used in coffee cups.
Advantages: Environmentally friendly and recyclable, with good printability, which can make paper cups more attractive while better controlling costs.