{"id":1083,"date":"2026-06-21T13:32:23","date_gmt":"2026-06-21T05:32:23","guid":{"rendered":"https:\/\/bastone-petrochem.com\/?post_type=product&#038;p=1083"},"modified":"2026-06-21T13:35:04","modified_gmt":"2026-06-21T05:35:04","slug":"mlldpe-ezp2005h","status":"publish","type":"product","link":"https:\/\/bastone-petrochem.com\/es\/product\/mlldpe-ezp2005h\/","title":{"rendered":"mLLDPE EZP2005H \u2014 PetroChina Polietileno Metaloceno para Pel\u00edcula Agr\u00edcola y de Invernadero"},"content":{"rendered":"<p>Dushanzi Petrochemical Company fabrica EZP2005H en su complejo de polietileno de densidad completa de 600,000 toneladas por a\u00f1o en la provincia de Xinjiang, una de las instalaciones de polietileno de sitio \u00fanico m\u00e1s grandes de China. El proceso en fase gaseosa Unipol utiliza etileno de grado polimerizaci\u00f3n como mon\u00f3mero principal y hexeno-1 como comon\u00f3mero, produciendo la distribuci\u00f3n de ramificaciones de cadena corta caracter\u00edstica de la cat\u00e1lisis metaloceno. Los catalizadores de sitio \u00fanico producen una distribuci\u00f3n de peso molecular m\u00e1s estrecha que las resinas Ziegler-Natta convencionales, lo que se traduce directamente en propiedades de pel\u00edcula m\u00e1s consistentes y un control de calibre m\u00e1s ajustado en las l\u00edneas de pel\u00edcula soplada.<\/p>\n<p>El MFR de la resina de 0,5 \u00b1 0,10 g\/10 min (carga de 2,16 kg, seg\u00fan GB\/T 3682-2000) y la densidad de 0,920 \u00b1 0,002 g\/cm\u00b3 (GB\/T 1033.2-2010) est\u00e1n calibrados para las demandas de procesamiento de los convertidores de pel\u00edculas agr\u00edcolas. A este caudal, el material se extruye sin requerir temperaturas de fusi\u00f3n elevadas que podr\u00edan degradar los paquetes de estabilizadores t\u00e9rmicos o causar adherencia de la pel\u00edcula en el sistema de arrastre. La densidad apunta a la ventana de flexibilidad que los fabricantes de pel\u00edculas necesitan para instalaciones donde la pel\u00edcula debe adaptarse a terrenos irregulares o estirarse sobre estructuras de marco desiguales.<\/p>\n<p>Las propiedades \u00f3pticas est\u00e1n formalmente especificadas en la ficha t\u00e9cnica de EZP2005H, un nivel de compromiso no siempre presente en los grados de polietileno b\u00e1sicos. La turbidez se controla a \u226412% (GB\/T 2410-2008), y la especificaci\u00f3n de gel en el umbral de 0.8 mm se mantiene en \u22646 ojos de pez por 1520 cm\u00b2 (GB\/T 11115-2009). En la pel\u00edcula para invernadero, la claridad \u00f3ptica influye directamente en la transmisi\u00f3n de luz y, por lo tanto, en el rendimiento del cultivo. Los ojos de pez que superan el umbral de 0.8 mm act\u00faan como sitios de iniciaci\u00f3n para la propagaci\u00f3n de desgarros bajo carga de viento; la especificaci\u00f3n del recuento de geles es un requisito de durabilidad, no cosm\u00e9tico.<\/p>\n<p>Las propiedades mec\u00e1nicas en la especificaci\u00f3n de EZP2005H reflejan las tensiones que encuentra la pel\u00edcula agr\u00edcola en servicio. La resistencia a la tracci\u00f3n en la rotura alcanza \u226520 MPa, el esfuerzo de fluencia se mantiene en \u22659.0 MPa, y la deformaci\u00f3n nominal en la fractura alcanza \u2265350% (todo seg\u00fan GB\/T 1040.2-2006). El impacto de ca\u00edda de dardo en un espesor de pel\u00edcula de 25 \u00b5m se especifica en \u2265200 g (GB\/T 9639.1-2008), una medida de resistencia a la perforaci\u00f3n por granizo, escombros y manipulaci\u00f3n mec\u00e1nica durante la instalaci\u00f3n. Las pel\u00edculas que pasan esta especificaci\u00f3n a 25 \u00b5m tienen un margen de seguridad significativo cuando el convertidor apunta a un calibre de 30\u201340 \u00b5m para aplicaciones de m\u00faltiples temporadas.<\/p>\n<p>Se incluye un agente de procesamiento en el compuesto. Los aditivos de procesamiento reducen la fractura de fusi\u00f3n en la salida del dado y evitan el bloqueo de la pel\u00edcula en el bobinador, particularmente relevante para la pel\u00edcula agr\u00edcola producida en tiradas continuas de alta velocidad.<\/p>","protected":false},"excerpt":{"rendered":"<p>EZP2005H es una resina de polietileno lineal de baja densidad metaloceno producida por PetroChina Dushanzi Petrochemical Company mediante el proceso de lecho fluidizado en fase gaseosa Unipol, utilizando hexeno-1 como comon\u00f3mero y un catalizador de sitio \u00fanico metaloceno.<\/p>\n<p>Con un \u00edndice de fluidez de 0.5 g\/10 min y una densidad de 0.920 g\/cm\u00b3, el grado est\u00e1 destinado a la producci\u00f3n de pel\u00edcula soplada para cubiertas de invernadero, pel\u00edculas de t\u00fanel y aplicaciones de pel\u00edcula de acolchado agr\u00edcola.<\/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-1083","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>EZP2005H Metallocene LLDPE Agricultural Film | BASTONE<\/title>\n<meta name=\"description\" content=\"PetroChina Dushanzi EZP2005H mLLDPE \u2014 0.5 g\/10min MFR, haze \u226412%, dart impact \u2265200g at 25\u00b5m. 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