{"id":881,"date":"2026-05-19T13:21:23","date_gmt":"2026-05-19T05:21:23","guid":{"rendered":"https:\/\/bastone-petrochem.com\/?post_type=product&#038;p=881"},"modified":"2026-05-19T13:24:53","modified_gmt":"2026-05-19T05:24:53","slug":"pp-t4401","status":"publish","type":"product","link":"https:\/\/bastone-petrochem.com\/es\/product\/pp-t4401\/","title":{"rendered":"PP T4401 \u2014 Resina de Polipropileno Copol\u00edmero Aleatorio PetroChina Dushanzi para Extrusi\u00f3n de Tuber\u00edas"},"content":{"rendered":"<p>PP T4401 se produce en la planta de polipropileno de 550,000 toneladas por a\u00f1o de la Compa\u00f1\u00eda Petroqu\u00edmica de Dushanzi en Xinjiang, utilizando el proceso Innovene de lecho agitado horizontal en fase gaseosa. El propileno de grado polimerizaci\u00f3n sirve como mon\u00f3mero base, el etileno como comon\u00f3mero y el hidr\u00f3geno como regulador de peso molecular. La polimerizaci\u00f3n se lleva a cabo bajo un sistema de catalizador Ziegler-Natta, seguido de desgasificaci\u00f3n, mezclado y granulaci\u00f3n en gr\u00e1nulos de color natural.<\/p>\n<p>El \u00edndice de fluidez de 0.24 g\/10 min (230\u00b0C \/ 2.16 kg, seg\u00fan GB\/T 3682.1-2018) se sit\u00faa dentro de la ventana de especificaci\u00f3n ajustada de 0.25 \u00b1 0.05 g\/10 min. La extrusi\u00f3n de tuber\u00edas requiere una resina de baja fluidez que mantenga su forma bajo el dado en lugar de fluir libremente \u2014 el MFR de T4401 lo posiciona precisamente en el rango de procesamiento donde es posible el control dimensional en l\u00edneas comerciales de tuber\u00edas.<\/p>\n<p>Las propiedades mec\u00e1nicas confirman la clasificaci\u00f3n de grado para tuber\u00edas. El m\u00f3dulo de tracci\u00f3n ensayado result\u00f3 en 789 MPa frente a un m\u00ednimo de especificaci\u00f3n de 650 MPa, y la resistencia a la tracci\u00f3n en el punto de fluencia midi\u00f3 23.8 MPa (especificaci\u00f3n \u226520 MPa). La resistencia al impacto Charpy a 23\u00b0C alcanz\u00f3 81 kJ\/m\u00b2 \u2014 m\u00e1s del doble del m\u00ednimo de especificaci\u00f3n de \u226540 kJ\/m\u00b2 \u2014 lo que proporciona margen contra da\u00f1os por instalaci\u00f3n, sobretensiones de presi\u00f3n y ciclos de congelaci\u00f3n-descongelaci\u00f3n en condiciones de campo. A -20\u00b0C, la resistencia al impacto de 2.1 kJ\/m\u00b2 supera el umbral de clima fr\u00edo de \u22651.5 kJ\/m\u00b2.<\/p>\n<p>El rendimiento t\u00e9rmico es igualmente relevante para las clasificaciones de servicio de agua caliente. El tiempo de inducci\u00f3n a la oxidaci\u00f3n a 210\u00b0C midi\u00f3 39 minutos (especificaci\u00f3n \u226530 min), lo que indica una protecci\u00f3n antioxidante adecuada en relaci\u00f3n con las temperaturas de extrusi\u00f3n de tuber\u00edas. La temperatura de deformaci\u00f3n bajo carga a 0.45 MPa de esfuerzo ensay\u00f3 a 64\u00b0C (especificaci\u00f3n \u226560\u00b0C), y la temperatura de fusi\u00f3n a 147\u00b0C confirma el perfil t\u00e9rmico esperado del PP-R.<\/p>\n<p>BASTONE suministra T4401 con el certificado de inspecci\u00f3n original de Dushanzi Petrochemical que muestra los resultados espec\u00edficos del lote \u2014 no un certificado de grado gen\u00e9rico \u2014 para cada par\u00e1metro en Q\/SY DS 136-2023. La trazabilidad del lote va desde el n\u00famero de lote de producci\u00f3n hasta el env\u00edo de exportaci\u00f3n, brindando a los compradores una cadena de custodia documentable hasta los datos de la fuente de producci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p data-path-to-node=\"1\" data-imt-p=\"1\">PP T4401 es una resina de polipropileno copol\u00edmero aleatorio (PP-R) producida por PetroChina Dushanzi Petrochemical Company bajo la marca Kun Lun. Dise\u00f1ada para la extrusi\u00f3n de tuber\u00edas de agua caliente y fr\u00eda y accesorios moldeados por inyecci\u00f3n, el grado cuenta con la certificaci\u00f3n PPR 100 del Centro Nacional de Pruebas de Materiales de Construcci\u00f3n Qu\u00edmica de China y cumple con los requisitos higi\u00e9nicos que rigen los equipos de distribuci\u00f3n de agua potable.<\/p>\n<p data-path-to-node=\"1\" data-imt-p=\"1\">BASTONE distribuye T4401 directamente desde la asignaci\u00f3n de PetroChina, con cada env\u00edo acompa\u00f1ado del Certificado de Inspecci\u00f3n de Calidad del Producto original espec\u00edfico del lote emitido por el laboratorio de calidad de Dushanzi Petrochemical.<\/p>","protected":false},"featured_media":706,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[47],"product_tag":[],"class_list":["post-881","product","type-product","status-publish","has-post-thumbnail","product_cat-pp","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PetroChina Kun Lun PP T4401 PP-R Resin | BASTONE<\/title>\n<meta name=\"description\" content=\"PetroChina Dushanzi PP-R resin T4401: MFR 0.24 g\/10min, Charpy 81 kJ\/m\u00b2, HDT 64\u00b0C, PPR 100 certified. 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