{"id":2296,"date":"2026-05-20T09:53:19","date_gmt":"2026-05-20T01:53:19","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2296"},"modified":"2026-05-29T15:39:50","modified_gmt":"2026-05-29T07:39:50","slug":"sgfdfhbcvb","status":"publish","type":"material_model","link":"https:\/\/www.jcinjectionmolding.com\/pt\/materials\/polypropylene-pp\/sgfdfhbcvb\/","title":{"rendered":"PP-Moplen HP500N"},"content":{"rendered":"
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Moplen HP500N Performance & Processing Attributes<\/h2>\n

Moplen HP500N is a homopolymer Polypropylene engineered by LyondellBasell, optimized for injection molding of high-stiffness, heat-resistant components:<\/p>\n\n\n\n\n\n
Resin Grade<\/th>\nResin Sub-Type<\/th>\nCore Technical Features<\/th>\n<\/tr>\n<\/thead>\n
Moplen HP500N<\/td>\nUnfilled PP Homopolymer<\/td>\nHigh mechanical stiffness, outstanding fatigue resistance (vital for living hinges), low moisture absorption, and excellent heat deflection properties under low loads.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Molding Process Configurations for Moplen HP500N<\/h2>\n

This grade’s stable 12 g\/10 min melt flow rate allows for multiple high-speed production configurations:<\/p>\n\n\n\n\n\n\n\n
Tecnologia de Moldagem<\/th>\nProcess Suitability for HP500N<\/th>\n<\/tr>\n<\/thead>\n
Living Hinge Molding<\/td>\nExcellent. Moplen HP500N’s molecular chains orient highly under shear, creating robust, flexible hinge sections in flip-top caps that can flex thousands of times without tearing.<\/td>\n<\/tr>\n
Thin-Wall Packaging Molding<\/td>\nHigh. Its intermediate flow index (MFR 12) supports fast filling of thin-walled food containers and high-gloss houseware products with low injection pressures.<\/td>\n<\/tr>\n
Moldagem por Inje\u00e7\u00e3o Padr\u00e3o<\/td>\nExcellent. Ideal for producing rigid, high-gloss household components, clips, structural brackets, and appliance trims.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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PP-Moplen HP500N Tooling & Injection Processing Guide<\/h2>\n

To prevent warpage and optimize the fatigue strength of the living hinges, our technical team implements precise processing boundaries for Moplen HP500N:<\/p>\n

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  • Living Hinge Tooling Design:<\/strong> To secure optimal molecular orientation across the hinge, our in-house tooling division utilizes 5-axis CNC machines to cut precise, highly polished steel cores. Gates are placed to ensure the melt flows straight across the hinge perpendicular to the flexing axis, avoiding weak weld lines in the thin (typically 0.25mm to 0.38mm) hinge area.<\/li>\n
  • Melt Temperature profile:<\/strong> Maintained strictly between 200\u00b0C and 240\u00b0C (392\u00b0F to 464\u00b0F). Under-heating increases viscosity, causing high internal stresses, while overheating degrades the homopolymer chains, making hinges brittle.<\/li>\n
  • Mold Temperature Control:<\/strong> Managed at 20\u00b0C to 50\u00b0C (68\u00b0F to 122\u00b0F). Rapid cooling is necessary to restrict crystalline grain size, which increases part toughness and flexibility, particularly for snap-fits and hinges.<\/li>\n
  • Shrinkage Compensation:<\/strong> Homopolymer PP shrinks heavily (1.3% to 1.8%). Jucheng’s tooling engineers offset this volumetric shrinkage in the mold design stage using Moldflow analysis to maintain strict part geometry.<\/li>\n<\/ul>\n<\/section>\n

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    Key Application Fields for Moplen HP500N Parts<\/h2>\n
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    • Cosmetic & Food Packaging:<\/strong> Integrated flip-top caps, dispensing closures, thin-walled food containers, and reusable storage boxes.<\/li>\n
    • Bens de Consumo e Dom\u00e9sticos:<\/strong> High-gloss kitchenware, plastic cutlery, clothes hangers, rigid containers, and high-stiffness organizers.<\/li>\n
    • Office Equipment & Industrial:<\/strong> High-strength structural brackets, protective covers, document clips, and high-fatigue snapping clips.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Moplen HP500N Performance & Processing Attributes Moplen HP500N is a homopolymer Polypropylene engineered by LyondellBasell, optimized for injection molding of high-stiffness, heat-resistant components: Resin Grade Resin Sub-Type Core Technical Features Moplen HP500N Unfilled PP Homopolymer High mechanical stiffness, outstanding fatigue resistance (vital for living hinges), low moisture absorption, and excellent heat deflection properties under low […]<\/p>\n","protected":false},"featured_media":2426,"template":"","meta":[],"class_list":["post-2296","material_model","type-material_model","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/material_model\/2296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/media\/2426"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/pt\/wp-json\/wp\/v2\/media?parent=2296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}