{"id":5351,"date":"2026-07-13T13:19:47","date_gmt":"2026-07-13T11:19:47","guid":{"rendered":"https:\/\/www.cladescomposites.com\/?p=5351"},"modified":"2026-07-13T13:19:47","modified_gmt":"2026-07-13T11:19:47","slug":"orthophthalic-polyester-resin-for-casting-and-hand-lay-up-applications","status":"publish","type":"post","link":"https:\/\/www.cladescomposites.com\/en\/orthophthalic-polyester-resin-for-casting-and-hand-lay-up-applications\/","title":{"rendered":"Orthophthalic polyester resin for casting and hand lay-up applications"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5351\" class=\"elementor elementor-5351 elementor-5342\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab033b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ab033b1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-782f3d39\" data-id=\"782f3d39\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3c7b144b elementor-widget elementor-widget-image\" data-id=\"3c7b144b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"699\" src=\"https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resin-polyester-ortho-clades-composites.jpg\" class=\"attachment-full size-full wp-image-5340\" alt=\"Resina Poli\u00e9ster Orto Colada - Clades Composites\" srcset=\"https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resin-polyester-ortho-clades-composites.jpg 1920w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resin-polyester-ortho-clades-composites-300x109.jpg 300w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resin-polyester-ortho-clades-composites-1024x373.jpg 1024w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resin-polyester-ortho-clades-composites-768x280.jpg 768w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resin-polyester-ortho-clades-composites-1536x559.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b7fc255 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b7fc255\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e52c1b9\" data-id=\"7e52c1b9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-597245c2 elementor-widget elementor-widget-heading\" data-id=\"597245c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Orthophthalic Polyester Resin for Casting and Hand Lay-up Applications.<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8634309 elementor-widget elementor-widget-text-editor\" data-id=\"8634309\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Selecting the right resin is one of the key factors in achieving efficient production, high-quality surface finishes and cost-effective composite manufacturing. For applications that do not require high structural performance, <strong>orthophthalic polyester resins<\/strong> remain one of the most widely used solutions thanks to their excellent balance between performance, processability and cost.<\/p><p>At Clades Composites, we supply orthophthalic polyester resins specifically formulated for <strong>casting and hand lay-up processes<\/strong>, while also providing technical support to adapt each formulation to the specific requirements of every manufacturing process.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-296561e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"296561e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e6c3c19\" data-id=\"e6c3c19\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b00b201 elementor-widget elementor-widget-heading\" data-id=\"b00b201\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is an Orthophthalic Polyester Resin?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c8f677 elementor-widget elementor-widget-text-editor\" data-id=\"7c8f677\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Orthophthalic polyester resin is one of the most commonly used thermosetting matrices in the composites industry. Its versatility, good reactivity and ease of processing make it an ideal solution for manufacturing a wide range of technical components where production efficiency and competitive costs are essential.<\/p><p>These resins provide excellent surface finish, dimensional stability and reliable mechanical properties for numerous industrial applications.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fe2c783 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe2c783\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-32f40da\" data-id=\"32f40da\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-110d141 elementor-widget elementor-widget-heading\" data-id=\"110d141\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Main Advantages.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b435938 elementor-widget elementor-widget-text-editor\" data-id=\"b435938\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Orthophthalic polyester resins offer several important benefits:<\/p><ul><li>Excellent cost-performance ratio<\/li><li>Good reactivity for optimized production cycles<\/li><li>Easy processing in both casting and hand lay-up applications<\/li><li>Good wet-out of glass fibres and mineral fillers<\/li><li>Compatible with pigments, fillers and additives<\/li><li>Formulations can be tailored to specific production requirements<\/li><\/ul><p>These characteristics continue to make orthophthalic polyester resins a benchmark solution for general-purpose composite manufacturing.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3f59d88 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3f59d88\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-84f2aed\" data-id=\"84f2aed\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0677b58 elementor-widget elementor-widget-heading\" data-id=\"0677b58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Industrial Applications.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9ae1b4 elementor-widget elementor-widget-text-editor\" data-id=\"e9ae1b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Typical applications include:<\/p><ul><li>Construction components and prefabricated elements<\/li><li>Decorative mouldings<\/li><li>Washbasins, shower trays and sanitary products<\/li><li>Automotive components<\/li><li>Non-structural technical parts<\/li><li>Prototypes and models<\/li><li>Industrial crafts<\/li><li>Furniture manufacturing<\/li><li>General GRP (Glass Reinforced Plastic) components<\/li><\/ul><p>Their versatility makes them suitable for both industrial production and semi-industrial manufacturing.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8f700da elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8f700da\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-900d627\" data-id=\"900d627\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f013d65 elementor-widget elementor-widget-image\" data-id=\"f013d65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resina-poliester-orto-colada-IBC-ppal-768x512.png\" class=\"attachment-medium_large size-medium_large wp-image-5346\" alt=\"Resina poli\u00e9ster orto colada IBC\" srcset=\"https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resina-poliester-orto-colada-IBC-ppal-768x512.png 768w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resina-poliester-orto-colada-IBC-ppal-300x200.png 300w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resina-poliester-orto-colada-IBC-ppal-1024x683.png 1024w, https:\/\/www.cladescomposites.com\/wp-content\/uploads\/2026\/06\/resina-poliester-orto-colada-IBC-ppal.png 1536w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-852d573 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"852d573\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c56904e\" data-id=\"c56904e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d887e0 elementor-widget elementor-widget-heading\" data-id=\"2d887e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tailored Solutions for Every Process.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd92735 elementor-widget elementor-widget-text-editor\" data-id=\"dd92735\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Every manufacturing process has different requirements regarding viscosity, gel time, reactivity and final surface quality. At Clades Composites, we go beyond supplying raw materials by helping customers select and adapt the most suitable resin system for their production needs.<\/p><p>Our formulations can be customised through specific additives, accelerators and process modifications to improve productivity, optimise curing behaviour and meet the technical requirements of each application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3e5b3f2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3e5b3f2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-71779ed\" data-id=\"71779ed\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0aac2b elementor-widget elementor-widget-heading\" data-id=\"c0aac2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Clades Composites: Technical Expertise in Composite Resins.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e813fc2 elementor-widget elementor-widget-text-editor\" data-id=\"e813fc2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>With extensive experience in composite raw materials, Clades Composites supplies advanced resin solutions together with technical support for manufacturers across multiple industrial sectors.<\/p><p>If you are looking for a <strong>high-quality orthophthalic polyester casting resin<\/strong> for casting or laminating applications, our technical team will help you find the most suitable solution for your process.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>At Clades Composites, we supply orthophthalic polyester resins specially formulated for casting and lamination processes. Discover them!<\/p>\n","protected":false},"author":3,"featured_media":5340,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-5351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resins"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Orthophthalic polyester resin for casting and hand lay-up applications | Clades Composites<\/title>\n<meta name=\"description\" content=\"At Clades Composites, we supply orthophthalic polyester resins specially formulated for casting and lamination processes. 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