Production Process
PP Hollow Sheet Factory Tour | Full Production Line, Packaging & Warehouse
Take a quick tour of our factory and see how PP hollow sheets are made — from raw material to finished products.
Featuring automated lines, precision processing, and organized warehousing, we ensure high-quality and efficient production for every order.
PP Corrugated Sheet Production Process
High-Temperature Melting and Extrusion
Polypropylene (PP) resin is melted in an extruder under high temperature, forming a consistent and homogeneous molten polymer.Mold Shaping
The molten PP is shaped into a flat sheet using a specially designed die, forming the basic structure of the corrugated sheet.Cooling and Forming
The sheet passes through a cooling system (such as rollers or chill plates), which solidifies and stabilizes the shape.First Traction – Uniform Pulling
A traction machine pulls the sheet at a constant speed to maintain uniform thickness and surface quality.Secondary Heating and Calibration
The pre-shaped sheet is reheated and passed through a forming mold or calibrator to finalize the corrugated structure.Final Traction and Cutting
The shaped corrugated sheet is pulled again and automatically cut to the desired size.
