{"id":3567,"date":"2022-09-20T13:18:31","date_gmt":"2022-09-20T11:18:31","guid":{"rendered":"https:\/\/twinplast.be\/dienst\/pu\/"},"modified":"2023-03-14T14:03:47","modified_gmt":"2023-03-14T13:03:47","slug":"pur-polyurethane","status":"publish","type":"dienst","link":"https:\/\/www.twinplast.be\/fr\/service\/pur-polyurethane\/","title":{"rendered":"PUR (Polyur\u00e9thane)\/PIR (polyisocyanurate)"},"content":{"rendered":"<div class=\"column\">\n\t<div class=\"rw-boostu-wrapper rw-text \">\n    <div class=\"wpbf-container\">\n            <h1>PU\/PIR<\/h1>\n        <\/div>\n<\/div>\n<div class=\"rw-boostu-wrapper rw-whitespace \"><\/div>    <div class=\"rw-boostu-wrapper rw-image-text \">\n                    <div class=\"image-text-wrapper \">\n                <div class=\"wpbf-container\">\n                    <div class=\"image-text-text \">\n                        <p>Le PU (PUR) ou mousse de polyur\u00e9thane et le PIR ou polyisocyanurate, sont des thermodurcissables (non r\u00e9utilisables car leur structure est chimiquement modifi\u00e9e, ils ne fondent donc pas en une mati\u00e8re premi\u00e8re mais sont carbonis\u00e9s). En raison de ces modifications chimiques, le PU et le PIR peuvent se pr\u00e9senter sous diff\u00e9rentes duret\u00e9s et densit\u00e9s (40 kg\/m\u00b3, 60 kg\/m\u00b3, 80 kg\/m\u00b3 et 120 kg\/m\u00b3). Le choix est r\u00e9alis\u00e9 sur base de l\u2019application.<\/p>\n<p>Le PU et le PIR peuvent \u00eatre facilement transform\u00e9s par d\u00e9coupe de contours et fraisage, car ces mousses se caract\u00e9risent par leur rigidit\u00e9. Le PU et le PIR ont une structure homog\u00e8ne qui cr\u00e9e une surface r\u00e9guli\u00e8re apr\u00e8s le fraisage. De plus, le PU et le PIR (contrairement \u00e0 l\u2019EPS) sont compatibles avec le polyester, ce qui rend ce mat\u00e9riel extr\u00eamement adapt\u00e9 \u00e0 la finition avec du polyester ou un coating (\u00e0 la fois \u00e0 base de solvant, de r\u00e9sine \u00e9poxy et de r\u00e9sine synth\u00e9tique renforc\u00e9e de fibres de verre).<\/p>\n<p>Les propri\u00e9t\u00e9s du PU font qu\u2019il conserve sa forme \u00e0 des temp\u00e9ratures comprises entre -180\u00b0 C et 100\u00b0 C. Le PIR est une variante modifi\u00e9e du PU qui pr\u00e9sente les m\u00eames propri\u00e9t\u00e9s. Il est \u00e9galement ininflammable et convient parfaitement \u00e0 l\u2019isolation des gaines isolantes. Apr\u00e8s tout, le PIR peut supporter des temp\u00e9ratures de -200\u00b0 C \u00e0 120\u00b0 C et le PIR-HT peut m\u00eame supporter jusqu\u2019\u00e0 200\u00b0 C. Sans couche de finition, le PU et le PIR se d\u00e9colorent \u00e0 la lumi\u00e8re du soleil pour prendre une couleur brune. De plus, le PU et le PIR absorbent peu d\u2019humidit\u00e9, ce qui les rend r\u00e9sistants \u00e0 l\u2019eau. Il pr\u00e9sente une forte stabilit\u00e9 de forme et ne se d\u00e9chire pas facilement.<\/p>\n                                            <\/div>\n                    <div class=\"image-text-image\">\n                        <img decoding=\"async\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/DSC02577.jpg\" alt=\"DSC02577\">\n                    <\/div>\n\t\t\t\t\t                <\/div>\n            <\/div>\n            <\/div>\n<div class=\"rw-boostu-wrapper rw-whitespace \"><\/div><div class=\"rw-boostu-wrapper rw-gallery rw-gallery-slider\">\n    <div class=\"wpbf-container\">\n        <div class=\"gallery-wrapper\">\n            <div class=\"gallery-wrapper-inner\">\n                                        <a class=\"lightbox\" data-lightbox=\"789974970\" href=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_11c45f014df04661bdc4713138832fc5.webp\"><img decoding=\"async\" class=\"gallery-img\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_11c45f014df04661bdc4713138832fc5.webp\" alt=\"\"><\/a>\n                                            <a class=\"lightbox\" data-lightbox=\"789974970\" href=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_16e340f1eea44436adf0bd781386e1d9.webp\"><img decoding=\"async\" class=\"gallery-img\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_16e340f1eea44436adf0bd781386e1d9.webp\" alt=\"\"><\/a>\n                                            <a class=\"lightbox\" data-lightbox=\"789974970\" href=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_4770e108ec58490dad8c30cf95ca6e7a.webp\"><img decoding=\"async\" class=\"gallery-img\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_4770e108ec58490dad8c30cf95ca6e7a.webp\" alt=\"\"><\/a>\n                                            <a class=\"lightbox\" data-lightbox=\"789974970\" href=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_7960a6c227f442de9810ff6f8a9df724-1.webp\"><img decoding=\"async\" class=\"gallery-img\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_7960a6c227f442de9810ff6f8a9df724-1.webp\" alt=\"\"><\/a>\n                                            <a class=\"lightbox\" data-lightbox=\"789974970\" href=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_52181c8f123c41758d70a68306938d7d.webp\"><img decoding=\"async\" class=\"gallery-img\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_52181c8f123c41758d70a68306938d7d.webp\" alt=\"\"><\/a>\n                                            <a class=\"lightbox\" data-lightbox=\"789974970\" href=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_b1d4a1b2461d43dbb87e2a2a8c087fab.webp\"><img decoding=\"async\" class=\"gallery-img\" src=\"https:\/\/www.twinplast.be\/wp-content\/uploads\/2022\/09\/9cd44f_b1d4a1b2461d43dbb87e2a2a8c087fab.webp\" alt=\"\"><\/a>\n                                <\/div>\n            <div class=\"custom-dots\"><span class=\"fill\"><\/span><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<div class=\"rw-boostu-wrapper rw-whitespace \"><\/div><div class=\"rw-boostu-wrapper rw-video\">\n    <div class=\"wpbf-container\">\n        <div class=\"video-wrapper\">\n            <iframe loading=\"lazy\" title=\"Twinplast - Freesde voor tv programma &amp;apos;Rox&amp;apos; onderdelen van de auto\" width=\"520\" height=\"390\" src=\"https:\/\/www.youtube.com\/embed\/w0_ad-H-tr4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>        <\/div>\n    <\/div>\n<\/div><div class=\"rw-boostu-wrapper rw-whitespace \"><\/div><div class=\"rw-boostu-wrapper rw-cta whitetext rw-cta-normal \">\n    <div class=\"wpbf-container\">\n        <div class=\"cta-text\">\n            <h3>Trouvez votre solution personnalis\u00e9e<\/h3>\n            <p>Nous vous aidons \u00e0 trouver une solution sur mesure pour toutes vos formes complexes en mati\u00e8re polym\u00e8re.<\/p>\n                    <\/div>\n                    <div class=\"cta-button\">\n                <a class=\"boostu-button\" href=\"https:\/\/www.twinplast.be\/fr\/contact\/\" >Contactez-nous<\/a>\n            <\/div>\n                                    <\/div>\n<\/div>\n<div class=\"rw-boostu-wrapper rw-whitespace \"><\/div><\/div>","protected":false},"featured_media":5040,"template":"","meta":{"_acf_changed":false},"diensten_cat":[57],"class_list":["post-3567","dienst","type-dienst","status-publish","has-post-thumbnail","hentry","diensten_cat-materiaal-fr","wpbf-post"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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