PP three-screw five-layer co-extrusion sheet line SWT-75s/100/60 delivers exceptional versatility for both single-layer and multi-layer PP sheet production. With three screws enabling up to five layers, it supports diverse structures including AB, ABA, ABC, and ABBCC—freely switchable based on production needs. This system is tailor-made for high-fill PP sheet applications, ensuring excellent layer distribution, stable melt flow, and consistent thickness control. Whether producing standard packaging sheets or complex multi-layer structures with enhanced barrier or mechanical properties, this line offers unmatched flexibility. Ideal for manufacturers seeking a single solution to handle varied product specifications without compromising efficiency or quality.
Video of the entire operation process
Scope Of Application
This PP sheet extrusion line is capable of processing various materials—such as PP, PET, and PLA—while effectively preserving their inherent properties. Its unique screw design exerts low shear force during the plasticization process, thereby preventing damage to the material’s molecular structure. The resulting sheets feature high transparency, excellent toughness, and precise thickness tolerances, making them an ideal choice for thermoformed packaging, food containers, and a wide range of industrial applications.
PP sheet offers excellent chemical resistance, good heat resistance, and outstanding mechanical strength. It is lightweight, non-toxic, and odorless, meeting safety standards for direct food contact. Thanks to its superior toughness and high impact resistance, PP sheet performs exceptionally well in both cold-fill and hot-fill applications. Furthermore, it is fully recyclable and environmentally friendly. As a versatile thermoforming material, PP is widely used in sectors such as food containers, beverage cups, medical packaging, industrial components, and automotive parts. Its excellent tensile properties and transparency (in high-clarity grades) make it an ideal choice for deep-draw thermoformed products.
PP Sheet Extrusion Machine Technical Parameters
| Model | Adaptive material | Screw structure | Specifications(mm) | Thickness(mm) | Width(mm) | Extrusion Volume(kg/h) |
|---|---|---|---|---|---|---|
| SWT-75S+65 | PET,PLA,PP,PS,PE,PC.... | Twin-screw three-layer co-extrusion | φ75+φ65 | 0.15~2.0 | ≤1200 | 500~800 |
| SWT-85S+65 | PET,PLA,PP,PS,PE,PC.... | φ85+φ65 | 0.15~2.0 | ≤1200 | 700~1000 | |
| SWT-120+65 | PET,PLA,PP,PS,PE,PC.... | φ120+φ100 | 0.15~2.0 | ≤1200 | 450~750 | |
| SWT-75S+100+65 | PET,PLA,PP,PS,PE,PC.... | Three-screw five-layer co-extrusion | φ75+φ120+φ65 | 0.15~2.0 | ≤1200 | 700~1200 |
High-quality components
