This industrial application profile outlines the dry blending, automated vacuum conveying, and single-screw pelletizing line architecture engineered specifically for PVC pelletizing plants producing flexible and semi-rigid polyvinyl chloride (PVC) pellets. Common applications include medical grade tubing, wire and cable jacketing, footwear soles, soft gasket extrusions, and automotive floor mats.<\/p>\n
Processing plasticized PVC compounds requires precise thermal management and gentle shear control: high-shear compounding extruders overheat and degrade sensitive PVC polymers, triggering hazardous hydrochloric acid (HCl) gas liberation and burnt black discoloration. Conversely, insufficient pre-blending results in “sweating” pellets with unabsorbed liquid plasticizer puddles and inconsistent Shore hardness. This specialized application integrates a high-speed heating and cooling compounding mixer unit (SRL-Z series) for thorough plasticizer absorption (115\u00b0C\u2013120\u00b0C hot mix to open PVC resin pores, followed by rapid cooling to 40\u00b0C), closed-loop vacuum conveying via a centralized feeding system, and a temperature-regulated low-shear single-screw extruder with die-face air\/water-ring pelletizing, delivering bubble-free, perfectly plasticized, and crystal-clear PVC pellets.<\/p>\n","protected":false},"excerpt":{"rendered":"
PVC extrusion pelletizing plant profile covering high-speed hot\/cold compounding mixing, central vacuum transfer, and low-shear single-screw die-face pelletizing.<\/p>\n","protected":false},"featured_media":0,"template":"","process_stage":[45,47,63,43,44],"material_family":[],"material_form":[75,71],"production_problem":[118,114,108,70],"customer_segment":[54],"class_list":["post-301","application","type-application","status-publish","hentry","process_stage-extrusion-melt-processing","process_stage-feeding-material-transfer","process_stage-mixing","process_stage-pelletizing","process_stage-post-pellet-treatment","material_form-pellets","material_form-powder","production_problem-dust-at-loading-and-transfer","production_problem-insufficient-cooling","production_problem-sticking-and-agglomeration","production_problem-uneven-additive-distribution","customer_segment-plastic-extrusion-pelletizing-plants"],"_links":{"self":[{"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/application\/301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/application"}],"about":[{"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/types\/application"}],"wp:attachment":[{"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"process_stage","embeddable":true,"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/process_stage?post=301"},{"taxonomy":"material_family","embeddable":true,"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/material_family?post=301"},{"taxonomy":"material_form","embeddable":true,"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/material_form?post=301"},{"taxonomy":"production_problem","embeddable":true,"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/production_problem?post=301"},{"taxonomy":"customer_segment","embeddable":true,"href":"https:\/\/polypelletizer.com\/wp-json\/wp\/v2\/customer_segment?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}