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how PVC granules are manufactured What are the main steps and equipment used in the process?
Sure! The manufacturing process of PVC granules involves these main steps:
Polymerization: Vinyl chloride monomer (VCM) is polymerized to form PVC resin.
Compounding: The PVC resin is mixed with additives like plasticizers, stabilizers, and colorants to improve its properties.
Mixing: The mixture is blended thoroughly in a high-speed mixer.
Heating and Melting: The blended material is heated and melted in an extruder.
Extrusion: The molten PVC is extruded into long strands.
Pelletizing: The strands are cooled and cut into small granules using a pelletizer.
Screening and Quality Control: The granules are screened for uniformity and tested for quality.
Packaging: The final granules are dried and packaged for shipment.
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Polymerization reactors
High-speed mixers
Extruders
Cooling baths
Pelletizers
Screening machines
Quality control equipment
This process ensures the PVC granules are ready for use in various products.
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