{"id":819,"date":"2026-04-20T11:25:36","date_gmt":"2026-04-20T03:25:36","guid":{"rendered":"https:\/\/bastone-petrochem.com\/?post_type=product&#038;p=819"},"modified":"2026-05-06T10:38:09","modified_gmt":"2026-05-06T02:38:09","slug":"gpps-300nt","status":"publish","type":"product","link":"https:\/\/bastone-petrochem.com\/es\/product\/gpps-300nt\/","title":{"rendered":"GPPS 300NT Poliestireno de Uso General | PetroChina Dushanzi | BASTONE"},"content":{"rendered":"<div data-test-render-count=\"1\">\n<div class=\"group\">\n<div class=\"contents\">\n<div class=\"group relative relative pb-3\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 standard-markdown\">\n<p>PetroChina Dushanzi produces GPPS 300NT using advanced continuous bulk polymerization technology. The resulting Kunlun-brand polystyrene delivers high transparency, excellent rigidity, and reliable dimensional stability. Procurement teams source the resin specifically for optical and consumer applications where clarity and low residual monomer content dictate final product quality.<\/p>\n<p>A melt flow rate of 3.0\u00b11.0 g\/10min provides a balanced viscosity profile suitable for both injection molding and sheet extrusion. The Vicat softening point of \u226596\u00b0C ensures molded parts maintain structural integrity under moderate thermal loads. Factory specifications strictly limit residual styrene monomer to under 300 ppm, meeting stringent safety and odor requirements for consumer goods manufacturing.<\/p>\n<p>Optical performance defines the value of the 300NT grade. The yellow index ranges from -8 to -4, guaranteeing a blue-tinted, crystal-clear base material that resists discoloration. Zero color particles per kilogram means manufacturers avoid cosmetic defects and high rejection rates in transparent components.<\/p>\n<p>BASTONE Petrochem distributes authentic PetroChina Dushanzi materials directly from domestic refinery allocations. Buyers receive full Certificate of Analysis (COA) documentation with every container. Direct supply chain access eliminates spot-market inconsistencies, protects downstream production schedules, and guarantees material authenticity.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p data-path-to-node=\"1\" data-imt-p=\"1\">GPPS 300NT es una resina de poliestireno de uso general fabricada por PetroChina Dushanzi bajo la marca Kunlun. Con un \u00edndice de fluidez de 3.0 g\/10min y una excepcional claridad \u00f3ptica, el material se utiliza principalmente en placas difusoras de luz y componentes moldeados por inyecci\u00f3n transparentes.<\/p>\n<p data-path-to-node=\"1\" data-imt-p=\"1\">BASTONE Petrochem suministra env\u00edos directos de f\u00e1brica y trazables por lote de esta resina a instalaciones de fabricaci\u00f3n globales.<\/p>\n<p>Gr\u00e1nulo Virgen de PP: Gr\u00e1nulo Modificado de PP<\/p>","protected":false},"featured_media":807,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[49],"product_tag":[],"class_list":{"0":"post-819","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-gpps","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.6 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GPPS 300NT | PetroChina Kunlun \u2013 BASTONE<\/title>\n<meta name=\"description\" content=\"PetroChina Kunlun GPPS 300NT. 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