{"id":1079,"date":"2026-06-21T13:18:38","date_gmt":"2026-06-21T05:18:38","guid":{"rendered":"https:\/\/bastone-petrochem.com\/?post_type=product&#038;p=1079"},"modified":"2026-06-21T13:20:34","modified_gmt":"2026-06-21T05:20:34","slug":"dmda-8008","status":"publish","type":"product","link":"https:\/\/bastone-petrochem.com\/es\/product\/dmda-8008\/","title":{"rendered":"HDPE DMDA-8008 \u2014 Grado de Inyecci\u00f3n para Tapas de Botellas y Cajas"},"content":{"rendered":"<p>DMDA-8008 proviene de la planta de polietileno de densidad completa de 600,000 toneladas por a\u00f1o de PetroChina Dushanzi Petrochemical Company en Xinjiang. El proceso de lecho fluidizado en fase gaseosa Unipol es la ruta de producci\u00f3n, una tecnolog\u00eda conocida por el control estricto de la distribuci\u00f3n del peso molecular y la calidad consistente de los pellets en todas las series de producci\u00f3n. El etileno de grado polimerizaci\u00f3n sirve como mon\u00f3mero base; el buteno-1 ingresa como comon\u00f3mero para modificar el perfil de ramificaci\u00f3n de cadena corta del pol\u00edmero. Un sistema catal\u00edtico a base de titanio impulsa la reacci\u00f3n.<\/p>\n<p>Un MFR de 7.24 g\/10min con una carga de 2.16 kg sit\u00faa a DMDA-8008 en el rango de fluidez medio-alto para HDPE de grado inyecci\u00f3n. A temperaturas de procesamiento de 190\u2013230\u00b0C, el material llena geometr\u00edas de molde complejas y de paredes delgadas con frentes de flujo consistentes. El utillaje de tapas en particular \u2014 sistemas de canal caliente de m\u00faltiples cavidades con ciclos inferiores a 10 segundos \u2014 requiere ese tipo de previsibilidad de llenado para evitar disparos cortos y defectos de l\u00edneas de uni\u00f3n a velocidades de producci\u00f3n.<\/p>\n<p>La densidad se especifica en 956 kg\/m\u00b3, lo que refleja una alta cristalinidad y la rigidez que la acompa\u00f1a. La resistencia a la tracci\u00f3n en el punto de fluencia de 28.9 MPa proporciona a los cierres de botellas la resistencia a la deformaci\u00f3n necesaria durante la aplicaci\u00f3n y eliminaci\u00f3n del par de apriete. Para aplicaciones de cajas, la alta rigidez evita la deformaci\u00f3n por fluencia bajo cargas apiladas en configuraciones de almacenamiento en almac\u00e9n.<\/p>\n<p>El alargamiento a la rotura \u2014 1,698% \u2014 y la resistencia al impacto Charpy de 6 kJ\/m\u00b2 definen el lado de la tenacidad en el equilibrio. Las cajas retornables pasan por log\u00edstica de cadena de fr\u00edo, manipulaci\u00f3n repetida con ca\u00eddas y lavado de alta frecuencia. Un material que se alarga significativamente antes de la fractura absorbe la energ\u00eda de carga puntual en lugar de agrietarse. La baja deformaci\u00f3n por alabeo en condiciones de procesamiento mantiene las piezas moldeadas dimensionalmente estables despu\u00e9s de la expulsi\u00f3n, lo que es importante para los dise\u00f1os de cajas apilables planas y las tolerancias de acabado de rosca en los cierres.<\/p>\n<p>Todos los lotes de DMDA-8008 suministrados a trav\u00e9s de BASTONE llevan un Certificado de An\u00e1lisis trazable al lote de producci\u00f3n espec\u00edfico de Dushanzi, que cubre los resultados de MFR, densidad y apariencia seg\u00fan Q\/SY DS062-2010.<\/p>","protected":false},"excerpt":{"rendered":"<p>DMDA-8008 es una resina de polietileno de alta densidad fabricada por PetroChina Dushanzi Petrochemical Company mediante el proceso Unipol de lecho fluidizado en fase gaseosa. Con un MFR de 7.24 g\/10min y una densidad de 956 kg\/m\u00b3, el grado est\u00e1 destinado a aplicaciones de moldeo por inyecci\u00f3n \u2014 principalmente tapas de botellas y cajas retornables.<\/p>\n<p>BASTONE distribuye DMDA-8008 a trav\u00e9s de la red de suministro autorizada de PetroChina, con documentaci\u00f3n completa de trazabilidad de lotes seg\u00fan Q\/SY DS062-2010.<\/p>","protected":false},"featured_media":886,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[48],"product_tag":[],"class_list":{"0":"post-1079","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pe","8":"first","9":"instock","10":"shipping-taxable","11":"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>HDPE DMDA-8008 Injection Molding Resin | BASTONE<\/title>\n<meta name=\"description\" content=\"PetroChina Dushanzi DMDA-8008 HDPE \u2014 7.24 g\/10min MFR, density 956 kg\/m\u00b3, elongation 1,698%. 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