tube basic quality requirements
- May 08, 2018 -

tube/Hose is a commonly used cosmetic packaging material, the process is divided into round tube, oval tube, flat tube, super flat tube. Divided into single-layer, double-layer, and five-layer hoses according to the product structure, they are different in terms of pressure-proof, anti-infiltration and touch. For example, the five-layer pipe is composed of an outer layer, an inner layer, and two adhesive layers. Floor.