{"id":140235,"date":"2022-08-04T10:09:36","date_gmt":"2022-08-04T08:09:36","guid":{"rendered":"https:\/\/concentrol.com\/polyurethane-systems\/"},"modified":"2025-07-23T13:39:59","modified_gmt":"2025-07-23T11:39:59","slug":"polyurethane-systems","status":"publish","type":"post","link":"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/fr\/polyurethane-systems\/","title":{"rendered":"Polyurethane systems"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text uncode_shortcode_id=\u00a0\u00bb363362&Prime;]<span style=\"font-weight: 400;\">Concentrol constantly reviews its entire range of products to adapt it to the requirements of the industry and current regulations. Polyurethane systems have been the focus of the chemical company&rsquo;s latest research, which is going to define the strategy for each of the lines.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Polyurethane systems consist of two components, one of which is a mixture of polyols with additives and the other a diisocyanate. When mixed homogeneously, they react forming polyurethane. Concentrol has focused its efforts on the system for the last 6 years, investing hours of research both in the laboratory and in the commercial field.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><img decoding=\"async\" class=\"aligncenter wp-image-140209 size-full\" src=\"https:\/\/concentrol.com\/wp-content\/uploads\/2022\/08\/1.png\" alt=\"\" width=\"460\" height=\"96\" srcset=\"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2022\/08\/1.png 460w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2022\/08\/1-300x63.png 300w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2022\/08\/1-350x73.png 350w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400;\">The first of the components of the system is the mixture of polyols with reactive -OH groups, containing catalysts, flame retardants, expansive agents and foam stabilizing agents. There are polyols of the polyester type (the most common), polyether (which provide good mechanical properties and high reactivity) or special polyols.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The second component of the polyurethane system is the Isocyanate, a bond of one or several NCO groups. The most common would be the aromatic types (MDI, TDI, PMDI), but there are also aliphatic types.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Each polyurethane system is adapted to the needs of the client. In this way, polyurethane can acquire various properties through additives:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Catalysts<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stabilizing Silicones<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Expansive agents<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flame retardant agents<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deaerating and antifoaming agents<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Antioxidants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cell openers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Anti-separation additives<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Moisture absorbers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fungicides<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dyes<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The versatility of polyurethane systems, their composition and their additives means that they are used in many sectors. There are several types: flexible, viscoelastic, rigid, semi-rigid, integral, RIM, RRIM.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>TYPE<\/b><\/td>\n<td><b>CHARACTERISTICS<\/b><\/td>\n<td><b>APPLICATIONS<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Flexible foams<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Open cell, elastomeric matrix<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Furniture, car seats<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Semi-rigid foams<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Open cell, elastomeric matrix, higher stiffness than flexible foam<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Automobile interior (control panel, doors, ceilings, and also mainly for comfort, sound insulation)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Rigid foams<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Preferably closed cell, rigid matrix<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Thermal isolation<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Integral foams<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cellular nucleus, compact skin<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Steering wheels, gear levers, artificial wood<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>RIM foams<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Microcellular structure, compact, hard<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Structural car parts, bumpers, hubcaps<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Footwear<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cell structure (high density), elastomeric matrix<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shoe soles<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Thermoplastic polyurethane (TPU)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Compact elastomers, thermoplastically processable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Wiring, shoe soles, films, fibers<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>CASE (Coatings, Adhesives, Sealants &amp; Elastomers)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Mainly compact, elastomeric<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Transparent PU surfaces, Adhesives, skate wheels, construction foam<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><b>The production process<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The production process is both continuous and discontinuous and is based on the mixture of raw materials (polyols or isocyanates, depending on the case) and other auxiliaries (catalysts, expansive agents, flame retardant agents, colorants and additives, depending on the case).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To manufacture the formulated polyol component (component A), different kinds of polyol are mixed together with other materials, such as catalysts, foaming agents, flame retardants, dyes, silicone stabilizers and other additives.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">The polyol provides many of the final properties of the polymer, including flexibility, low temperature properties, processing characteristics, and stiffness. The most common polyols intended for the manufacture of polyurethanes are the polyethers synthesized from ethylene oxide, propylene oxide and tetrahydrofuran (C2, C3 and C4, respectively). There are also polymeric polyols.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">On the other hand, the formulated isocyanate component (component B) is produced by mixing different types of MDI (4-4-diphenylmethane diisocyanate). In some cases, small doses of polyol are also added to the MDI, producing a prepolymerization chemical reaction that aims to modify the final characteristics of the product.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Within the isocyanates they are generally classified as aromatic and aliphatic. Within the aromatics we can mention the MDI, PMDI and TDI. Those who are of the aromatic type, one of their two main characteristics is that their aromaticity causes them to be prone to absorb UV radiation. This causes secondary oxidation reactions to take place, especially in the presence of atmospheric oxygen and water. This causes colorations from yellow to brown, depending on the degree of oxidation.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Another very important characteristic is that they are more reactive than the aliphatic types. These are more expensive and less reactive and are used when light stability is an important factor. To carry out the production, mixing reactors of different capacities are available. The dosing and mixing process is automated and managed by robots.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Technology<\/b><\/p>\n<p><span style=\"font-weight: 400;\">There are two types of polyurethane injection machines: low pressure and high pressure. These can be used for batch or continuous production.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low pressure machines: they are the least used, low production, small production volumes. In that case, the mixing heads, the components are mixed in separate chambers by means of a mechanical stirrer. More raw material is wasted and the head must be cleaned at each shot.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High pressure machines: with these the working conditions are improved. The manufacture is more precise, since the components are mixed effectively. The heads clean themselves every time.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><b>Sectors<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The polyurethane market is divided into a dozen sectors, the most important being: construction and building, the automobile sector and electronics. It is also used in furniture, mattresses and packaging.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For <\/span><b>construction and building<\/b><span style=\"font-weight: 400;\">, formulated and semi-formulated polyurethane systems are used to obtain rigid foams.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">One of the relevant applications within this sector would be Sandwich panels, which are made up of an insulating core of rigid polyurethane (PUR) or polyisocyanurate (PIR) foam adhered to two metal profiles. These are usually made of steel or aluminum.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><img decoding=\"async\" class=\"aligncenter wp-image-140215\" src=\"https:\/\/concentrol.com\/wp-content\/uploads\/2022\/08\/2.png\" alt=\"\" width=\"270\" height=\"112\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Rigid polyisocyanurate foam (PIR) is a variant of polyurethane foam (PUR) that maintains practically the same appearance, altering, instead, its mechanical and thermal properties, which differ mainly due to its better fire behavior. PIR foam reacts to fire safely by forming a carbonaceous surface layer that protects and prevents fire penetrating the internal layers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Examples of applications of polyurethane systems within this sector are shown below:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PUR and PIR Sandwich Panels with continuous technology, both with metallic and flexible coatings, used in enclosures (facades and roofs), cold rooms and insulation in construction.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PUR and PIR Sandwich Panels with discontinuous technology used in the cold industry.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rigid PUR systems for on-site spray application in the construction sector.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rigid polyurethane systems to be applied by casting. Rigid polyurethane block for obtaining plates and shells for insulation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rigid PUR systems for loads and shutters<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rigid polyurethane systems for pipe insulation (pipe insulation)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rigid polyurethane systems for insulation in thermal solar collectors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Elastomeric PU systems by coating (density 1000)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Polyureas<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Secondly, the <\/span><b>automotive sector <\/b><span style=\"font-weight: 400;\">stands out. Below is a summary according to the polyurethane system which application we would have within the commented sector:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Polyurethane system<\/b><\/td>\n<td><b>Application<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated and semi-formulated polyurethane systems to obtain flexible foams. Both conventional and on-site technology<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Front or rear seats<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backrest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Headrest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Central armrest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Floor soundproof<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain semi-rigid foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Instrumentation control panel<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ceilings (From foam block)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Energy absorbing parts (bumpers\u2026)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fiberglass reinforced parts (door sides)<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain semi-rigid foam blocks<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ceilings<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain foams with integral skin<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Steering wheels<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gear shift knobs<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Headrest<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain high-density integral skin foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cable coating<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Connectors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Air filters<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain high-density rigid foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rear spoilers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Baffles<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Window frames and caravan doors<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems for RIM and RRIM technologies<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spoilers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bumper<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Crystal encapsulation (windows)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exterior parts<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Another important sector for sales potential is <\/span><b>furniture<\/b><span style=\"font-weight: 400;\">. Here we see the different possibilities:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Polyurethane system<\/b><\/td>\n<td><b>Application<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated and semi-formulated polyurethane systems to obtain flexible foams. Both for conventional technology and \u00ab\u00a0In Situ\u00a0\u00bb (Special attention to the continuous block foaming process.)<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cinema and office seats<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backrests<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sofas<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mattresses<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pillows<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain foams with integral skin<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Armrests<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Office chair legs<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seating<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain low-density rigid foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chair inserts<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Picture frames<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Imitation wood<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain high-density rigid foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Computer cases and other technical equipment<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Speakers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Filling aluminum profiles<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems for obtaining very high density rigid foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Computer cases and other technical equipment<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Speakers<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">As for another important sector, such as <\/span><b>footwear<\/b><span style=\"font-weight: 400;\">, below we see the possibilities:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Polyurethane system<\/b><\/td>\n<td><b>Application<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated and semi-formulated polyurethane systems for the manufacture of soles and midsoles<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Street and leisure footwear<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Work and safety footwear<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sports and trekking footwear<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Insoles<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rubber-PU<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Polyurethane thermoplastic elastomer grains for the manufacture of soles and mats<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Street and leisure footwear<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Work and safety footwear<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sports and trekking footwear<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Formulated polyurethane systems to obtain flexible foams<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Insoles<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/1&Prime;][vc_button border_width=\u00a0\u00bb0&Prime; link=\u00a0\u00bburl:https%3A%2F%2Fconcentrol.com%2Fwp-content%2Fuploads%2F2022%2F08%2FEN_sistemes-PUR.pdf|target:_blank\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb133154&Prime;]Download infographic[\/vc_button][vc_column_text uncode_shortcode_id=\u00a0\u00bb146512&Prime;]<div class=\"wp-block-pdfemb-pdf-embedder-viewer\"><a href=\"https:\/\/concentrol.com\/wp-content\/uploads\/2022\/08\/EN_sistemes-PUR.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">EN_sistemes-PUR<\/a><\/div>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text uncode_shortcode_id=\u00a0\u00bb363362&Prime;]Concentrol constantly reviews its entire range of products to adapt it to the requirements of the industry and current [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":140206,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[1024],"tags":[812,895],"class_list":["post-140235","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pu-additives-fr","tag-concentrol-fr","tag-defoamer-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polyurethane systems<\/title>\n<meta name=\"description\" content=\"Concentrol - Chemical Solutions\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/concentrol.com\/polyurethane-systems\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" 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