What aspects should be considered when setting the extrusion molding temperature for plastic pipe production lines?

The extrusion molding temperature of plastic pipe production lines is a necessary condition to promote the plasticization of molding materials and the flow of plastic melts, which has a very important impact on the plasticization of materials and the quality and yield of products

The theoretical temperature window of plastic extrusion is between the viscous flow temperature and the degradation temperature. To correctly control the extrusion temperature of the P plastic pipe production line, it is first necessary to understand the relationship between the temperature limit of the processed material and its physical properties. Only by understanding its characteristics and patterns can a better temperature range be selected for extrusion molding.

Therefore, the temperature setting of each segment should consider the following aspects: firstly, the performance of the polymer itself, such as melting point, molecular weight size and distribution, melt index, etc. Secondly, consider the performance of the device. In some devices, the temperature of the feed section has a significant impact on the host current. Once again, observe whether the surface of the extruded tube blank is smooth by observing the tube mold. Judging whether there are bubbles or other phenomena.