{"id":965,"date":"2026-05-30T22:27:23","date_gmt":"2026-05-30T14:27:23","guid":{"rendered":"https:\/\/bastone-petrochem.com\/?post_type=product&#038;p=965"},"modified":"2026-05-31T11:47:26","modified_gmt":"2026-05-31T03:47:26","slug":"pp-k9928h","status":"publish","type":"product","link":"https:\/\/bastone-petrochem.com\/es\/product\/pp-k9928h\/","title":{"rendered":"PP K9928H \u2014 High-Flow Impact Copolymer Polypropylene for Injection Molding"},"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>Dushanzi Petrochemical manufactures K9928H on the Innovene gas-phase horizontal stirred-bed process, one of the most established technologies for producing impact copolymer PP. Propylene and ethylene are copolymerized under a Ziegler-Natta catalyst system, with hydrogen controlling molecular weight distribution. The process delivers consistent pellet quality against internal standard Q\/SY DS112-2017, with zero colored particles and ash content below 0.03%.<\/p>\n<p>The MFR of 28.8 g\/10min positions K9928H in the high-flow ICP bracket \u2014 processable on conventional injection machines without elevated barrel temperatures or plasticizer additions. Barrel temperatures of 160\u2013240\u00b0C and melt temperatures of 190\u2013220\u00b0C are typical for this grade. Mold designers specifying wall sections above 3mm will find the combination of flowability and stiffness (flexural modulus: 1.32 GPa) adequate for the dimensional requirements of large structural parts.<\/p>\n<p>Impact retention at low temperature is a qualified performance characteristic, not a marketing claim. K9928H delivers 115.1 J\/m at 23\u00b0C and 63.5 J\/m at \u221220\u00b0C under Izod test protocol (Q\/SY DS 0517). For automotive interior and exterior components, cold-weather impact performance is a qualification gate that K9928H meets without requiring secondary toughening additives. Tensile yield stress at 23.6 MPa supports structural load requirements across appliance drum assemblies and bumper substrates.<\/p>\n<p>Yellow index at \u22123.6 means the base resin carries a slight blue-white cast. Parts destined for pigmented or painted surfaces proceed without visible yellowing penalty. Ash content at 0.0278% confirms minimal catalyst residue \u2014 a practical indicator of pellet cleanliness relevant to downstream compounders monitoring char formation in subsequent processing steps.<\/p>\n<p>BASTONE sources K9928H through its established trading platform with PetroChina and China&#8217;s top-3 petrochemical producers. Each shipment carries full Certificate of Analysis documentation traceable to the Dushanzi production batch, covering all properties specified under Q\/SY DS112-2017. COA, packing list, and customs documentation are provided as standard.<\/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\">K9928H is an impact copolymer polypropylene (ICP) resin produced by Dushanzi Petrochemical Company, a PetroChina subsidiary operating one of China&#8217;s largest polypropylene units at 550,000 tonnes per year.<\/p>\n<p data-path-to-node=\"1\" data-imt-p=\"1\">With a melt flow rate of 28.8 g\/10min, the grade targets thick-wall injection molding applications requiring dimensional stability, low warpage, and retained impact performance at low temperatures \u2014 primarily automotive modified compounds, washing machine inner drums, and home appliance housings.<\/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":{"0":"post-965","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pp","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>PP K9928H High-Flow Impact Copolymer PP | BASTONE<\/title>\n<meta name=\"description\" content=\"PP K9928H ICP resin from Dushanzi \u2014 28.8 g\/10 min MFR, Izod impact 115.1 J\/m at 23\u00b0C. 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