During blown film production, the adverse reactions of raw materials are summarized in the table below for reference.

The main technical parameters that should be paid attention to when selecting twin screw extruders. 1. Twin screw large diameter D, 2. Screw length-diameter ratio L/D, 3. Gearbox torque level T/A3, 4. Twin screw maximum rpm.

The granulation process is the production process of producing granular plastic from high polymer resin and various additives and additives, which are measured, clubbed, plasticized, and cut into particles.

Before processing and granulating, a complete set of granulation equipment is required, which is the TPE/TPR granulation production line. The basic components include mixing equipment, plasticizing equipment, cooling equipment, granulating equipment, and batch mixing equipment. Common TPE/TPR pelletizing production lines include "strand pelletizing", "underwater pelletizing" and "water ring pelletizing".

Special color masterbatch has significant advantages such as high concentration, good dispersion and cleanliness during product processing.

The current automotive sealing strip materials mainly include four types: PVC sealing strip, EPDM sealing strip, TPV sealing strip, and TPE sealing strip. Below, we will analyze the advantages and disadvantages of these four automotive sealing strip materials.

The extrusion machines in the domestic plastic industry are roughly divided into two categories: single screw extruder and twin screw extruder. Because these two types of equipment have their own characteristics, they are widely used in the plastic industry.

The conical twin-screw feeder solves the complicated feeding procedure in the prior art plastic granulation process, and realizes the conical twin-screw feeding integrated unit for stable and continuous feeding to the extruder.

This article introduces the basic principles of twin screw extrusion of plastics, including Mechanical principles，Thermal principle，Deceleration principle，The feed acts as a coolant，In the feed zone, sticks to the barrel & slides onto the screw，Materials cost the most，Energy costs are relatively unimportant，The pressure at the end of the screw is very important，Output = displacement of last thread +/- pressure flow and leakage，Shear rate plays a major role in viscosity， and The motor is opposed to the barrel these aspects.

The twin screw extruder has a wide range of applications, and can process and produce a variety of products. We need to choose different auxiliary machines to adapt or improve the material characteristics, and make products perfect.