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Further Analysis of Defects in Extrusion Products

Defects in extruded products occur predominantly due to friction and non-homogeneous material flow. Further, temperature variations across the billet during hot extrusion can also lead to inhomogeneous deformation. Three types of defects are prominent in extrusion. They are: extrusion defect, surfac......

Why should add ACR or CEP, MBS and other materials in the formula when extruder processing UPVC pipes, and what are their characteristics

Due to the high brittleness, low melt strength and poor processing fluidity of UPVC materials, modifiers usually need to be added in the processing to improve the fluidity of UPVC, melt strength and material toughness. ACR or chlorinated polyethylene (CPE) and MBS are the modifiers of UPVC.

Production of Polypropylene Pipes

Single screw extruder is generally used in the production of polypropylene pipes. Due to the high quality requirements of polypropylene pipes, the outer diameter, wall thickness and other dimensions of pipes should be strictly controlled within the standard range, otherwise, the connection between p......

Characteristics and Application of Polypropylene Pipe

When people's living standards improve with the progress of society, people begin to pay more and more attention to their own quality of life, especially to the hygienic requirements of drinking water. Polypropylene pipe, as the fourth generation of new pipe after galvanized pipe, PVC pipe and alumi......

Different Mechanical Properties of PP Pipes

In the previous period, PP-C pipes and fittings appeared on the market, and the installation method was consistent with PP-R. Many people are confused about the difference between PP-R and PP-C, causing many misunderstandings and confusion. In international standards, polypropylene hot and cold wate......

Extruder for PVC-U Pipe Extrusion Line

Parallel twin-screw extruder and conical twin-screw extruder can be used to directly produce PVC-U pipe with dry powder. Due to the full engagement of two screws, a closed C-shaped chamber is formed in the twin-screw extruder. The two screws rotate outward in different directions to make the C-shape......

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