<?xml version="1.0" encoding="utf-8"?><rss version="2.0"><channel><title><![CDATA[Qingdao Polykem Co., Ltd.]]></title><category><![CDATA[Qingdao Polykem Co., Ltd.]]></category><description><![CDATA[O Polykem é o profissional do borracha sintética, aditivos de borracha, fabricante de resinas de hidrocarbonetos e fornecedor na China. Você pode ter certeza de comprar os produtos de nossa fábrica.]]></description><link><![CDATA[https://pt.polykem-intl.com]]></link><language>pt</language><pubDate>Wed, 19 Aug 2026 05:36:18 GMT</pubDate><lastBuildDate>Wed, 19 Aug 2026 05:36:18 GMT</lastBuildDate><item><title><![CDATA[Guia para iniciantes na sele&#231;&#227;o de PEG: peso molecular, forma f&#237;sica e processamento]]></title><link><![CDATA[https://pt.polykem-intl.com/news/a-beginner-s-guide-to-peg-selection-molecular-weight-physical-form-and-processing.html]]></link><pubDate><![CDATA[Fri, 14 Aug 2026 02:52:39 GMT]]></pubDate></item><item><title><![CDATA[Por que o &#225;lcool laur&#237;lico etoxilado (AEO) &#233; o surfactante n&#227;o i&#244;nico mais vers&#225;til para formula&#231;&#245;es industriais?]]></title><link><![CDATA[https://pt.polykem-intl.com/news/why-is-lauryl-alcohol-ethoxylate-aeo-the-most-versatile-nonionic-surfactant-for-industrial-formulations.html]]></link><pubDate><![CDATA[Tue, 11 Aug 2026 09:21:22 GMT]]></pubDate></item><item><title><![CDATA[Borracha ECO vs HNBR: Escolhendo o material certo para sua aplica&#231;&#227;o]]></title><link><![CDATA[https://pt.polykem-intl.com/news/eco-rubber-vs-hnbr-choosing-the-right-material-for-your-application.html]]></link><pubDate><![CDATA[Mon, 10 Aug 2026 03:23:41 GMT]]></pubDate></item><item><title><![CDATA[Guia de fornecimento de borracha de estireno butadieno (SBR): especifica&#231;&#245;es, qualidade e testes de aplica&#231;&#227;o]]></title><link><![CDATA[https://pt.polykem-intl.com/news/styrene-butadiene-rubber-sbr-sourcing-guide-specifications-quality-and-application-testing.html]]></link><pubDate><![CDATA[Fri, 07 Aug 2026 05:35:23 GMT]]></pubDate></item><item><title><![CDATA[&#193;lcool Laur&#237;lico Etoxilado AEO-3: Quando usar um surfactante n&#227;o i&#244;nico com baixo teor de EO]]></title><link><![CDATA[https://pt.polykem-intl.com/news/lauryl-alcohol-ethoxylate-aeo-3-when-to-use-a-low-eo-nonionic-surfactant.html]]></link><pubDate><![CDATA[Mon, 03 Aug 2026 06:00:57 GMT]]></pubDate></item><item><title><![CDATA[Polykem fortalece capacidades de servi&#231;os profissionais por meio de treinamento interno de produtos]]></title><link><![CDATA[https://pt.polykem-intl.com/news/polykem-strengthens-professional-service-capabilities-through-internal-product-training.html]]></link><pubDate><![CDATA[Fri, 31 Jul 2026 05:54:57 GMT]]></pubDate></item><item><title><![CDATA[Guia de fornecimento de &#233;ster de &#225;cido graxo de polioxietileno sorbitano (TWEEN): notas, especifica&#231;&#245;es e verifica&#231;&#245;es de qualidade]]></title><link><![CDATA[https://pt.polykem-intl.com/news/polyoxyethylene-sorbitan-fatty-acid-ester-tween-sourcing-guide-grades-specifications-and-quality-checks.html]]></link><pubDate><![CDATA[Tue, 28 Jul 2026 07:45:09 GMT]]></pubDate></item><item><title><![CDATA[Como escolher NBR: foco no conte&#250;do ACN e na viscosidade Mooney]]></title><link><![CDATA[https://pt.polykem-intl.com/news/how-to-choose-nbr-focus-on-acn-content-and-mooney-viscosity.html]]></link><pubDate><![CDATA[Fri, 24 Jul 2026 09:34:12 GMT]]></pubDate></item><item><title><![CDATA[Como escolher o etilenoglicol para aplica&#231;&#245;es industriais: grau, pureza e especifica&#231;&#245;es]]></title><link><![CDATA[https://pt.polykem-intl.com/news/how-to-choose-ethylene-glycol-for-industrial-applications-grade-purity-and-specifications.html]]></link><pubDate><![CDATA[Mon, 20 Jul 2026 03:35:27 GMT]]></pubDate></item><item><title><![CDATA[Como selecionar poliepicloridrina (borracha ECO) para mangueiras e veda&#231;&#245;es de combust&#237;vel]]></title><link><![CDATA[https://pt.polykem-intl.com/news/how-to-select-polyepichlorohydrin-eco-rubber-for-fuel-hoses-and-seals.html]]></link><pubDate><![CDATA[Thu, 16 Jul 2026 02:41:20 GMT]]></pubDate></item><item><title><![CDATA[Por que o etoxilato de octilfenol &#233; 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t&#234;xteis, agr&#237;colas e de papel!]]></title><link><![CDATA[https://pt.polykem-intl.com/news/select-high-quality-sulfonated-castor-oil-for-the-textile-agricultural-and-paper-industries.html]]></link><pubDate><![CDATA[Mon, 21 Jul 2025 07:19:54 GMT]]></pubDate></item><item><title><![CDATA[Quais s&#227;o as diferen&#231;as entre borracha de estireno alta e borracha comum?]]></title><link><![CDATA[https://pt.polykem-intl.com/news/what-are-the-differences-between-high-styrene-rubber-and-common-rubber.html]]></link><pubDate><![CDATA[Thu, 17 Jul 2025 01:08:32 GMT]]></pubDate></item><item><title><![CDATA[Vis&#227;o geral dos tipos e aplica&#231;&#245;es do etoxilato de n&#227;o -milfenol do Polykem]]></title><link><![CDATA[https://pt.polykem-intl.com/news/overview-of-the-types-and-applications-of-polykem-s-nonylphenol-ethoxylate.html]]></link><pubDate><![CDATA[Thu, 17 Jul 2025 01:08:53 GMT]]></pubDate></item><item><title><![CDATA[Aprenda sobre toda a gama de produtos de resina de 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