Industry Knowledge

Comparison Between Counter Rotating Conical Twin-screw Extruder and Parallel Twin-screw Extruder

According to the rotation direction of twin-screw extruder, it can be divided into two types: co rotating extruder and counter rotating extruder. Co rotating twin-screw extruder means that the rotation direction of two screws is the same when they work; The opposite direction extruder refers to that......

PE / PRR32-2

A new type of PE/PPR dual-pipe extrusion line (model: PE 32-2; PPR 32-2) has been successfully developed by Ningbo Fangli Technology Co., Ltd. based on years’ R&D as well as production experience accumulated. The line is suitable for the production of PE/PPR pipe diameter range from 12mm to 32mm and......

Steel skeleton plastic composite pipe

Process Control in PE Pipe Extrusion Process

Due to the rapid development of manufacturing technology of PE pipe extrusion equipment, the comprehensive performance of PE pipe is improved, resulting in the increase of market demand for PE pipe. PE pipes have been used in more than ten industries such as water supply, natural gas and gas transpo......

Five Points for Attention in PVC Pipe Production

In the production process, since PVC is a kind of heat sensitive material, even if heat stabilizer is added, it can only increase the decomposition temperature and prolong the stable time without decomposition, which requires strict control of PVC molding temperature. Especially for RPVC, since its ......

11 Important Principles Introduced Plastic Extrusion

Here we’d like briefly introduce 11 Important Principles of Plastic Extrusion as follows: