{"id":22386,"date":"2025-04-25T14:21:02","date_gmt":"2025-04-25T06:21:02","guid":{"rendered":"https:\/\/ifanplus.com\/?p=22386"},"modified":"2025-04-25T14:21:04","modified_gmt":"2025-04-25T06:21:04","slug":"resistance-aux-acides-et-aux-alcalis-des-tuyaux-en-pehd-noirs","status":"publish","type":"post","link":"https:\/\/ifanplus.com\/fr\/connaissance\/resistance-aux-acides-et-aux-alcalis-des-tuyaux-en-pehd-noirs\/","title":{"rendered":"R\u00e9sistance aux acides et aux alcalis des tuyaux en PEHD noir"},"content":{"rendered":"<h3 class=\"wp-block-heading\" id=\"h-introduction\">Introduction<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ifanplus.com\/fr\/product-category\/industrie-du-plastique\/pehd\/\">Tuyau en PEHD (poly\u00e9thyl\u00e8ne haute densit\u00e9) noir<\/a> Le PEHD noir est l&#039;un des mat\u00e9riaux de tuyauterie les plus polyvalents et les plus durables, utilis\u00e9 dans divers secteurs. Sa r\u00e9sistance exceptionnelle aux produits chimiques, notamment aux acides et aux alcalis, est l&#039;un des principaux facteurs qui expliquent son utilisation g\u00e9n\u00e9ralis\u00e9e. Que ce soit dans les r\u00e9seaux de distribution d&#039;eau, le transport de produits chimiques ou les applications industrielles, le PEHD noir s&#039;av\u00e8re tr\u00e8s efficace pour traiter les substances agressives sans compromettre son int\u00e9grit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans cet article, nous explorons ses propri\u00e9t\u00e9s de r\u00e9sistance aux acides et aux alcalis, son importance et son impact sur la performance et la long\u00e9vit\u00e9 des syst\u00e8mes de tuyauterie. Cet aper\u00e7u complet aidera les ing\u00e9nieurs, les entrepreneurs et les d\u00e9cideurs \u00e0 comprendre l&#039;int\u00e9r\u00eat des tuyaux en PEHD noir dans les environnements chimiquement exigeants.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-hdpe\">Qu&#039;est-ce que le PEHD ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD) est un polym\u00e8re thermoplastique issu du p\u00e9trole. Reconnu pour son excellent rapport r\u00e9sistance\/densit\u00e9, le PEHD r\u00e9siste \u00e0 de nombreux produits chimiques, impacts et contraintes environnementales. Les tuyaux en PEHD noir sont fabriqu\u00e9s en ajoutant du noir de carbone au mat\u00e9riau lors de la production. Ce noir de carbone am\u00e9liore la r\u00e9sistance aux UV et conf\u00e8re une r\u00e9sistance accrue au tuyau, le rendant ainsi adapt\u00e9 \u00e0 divers environnements exigeants, notamment ceux expos\u00e9s aux acides et aux bases.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9sistance du mat\u00e9riau aux acides et aux alcalis fait du tuyau en PEHD noir un choix populaire dans des industries telles que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syst\u00e8mes d&#039;approvisionnement en eau<\/strong><\/li>\n\n\n\n<li><strong>Transport et traitement des produits chimiques<\/strong><\/li>\n\n\n\n<li><strong>Syst\u00e8mes d&#039;irrigation agricole<\/strong><\/li>\n\n\n\n<li><strong>Stations d&#039;\u00e9puration des eaux us\u00e9es<\/strong><\/li>\n\n\n\n<li><strong>Ol\u00e9oducs et gazoducs<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-science-behind-acid-and-alkali-resistance\">La science derri\u00e8re la r\u00e9sistance aux acides et aux alcalis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour comprendre l&#039;excellente r\u00e9sistance des tuyaux en PEHD noir aux acides et aux alcalis, il est important de conna\u00eetre la structure chimique du poly\u00e9thyl\u00e8ne. Le PEHD est constitu\u00e9 de longues cha\u00eenes polym\u00e8res de monom\u00e8res d&#039;\u00e9thyl\u00e8ne, tr\u00e8s serr\u00e9es. Ces cha\u00eenes forment une structure robuste et dense qui r\u00e9siste \u00e0 la d\u00e9gradation lorsqu&#039;elle est expos\u00e9e \u00e0 la plupart des produits chimiques. Contrairement \u00e0 d&#039;autres mat\u00e9riaux comme les m\u00e9taux ou les plastiques traditionnels, le PEHD ne r\u00e9agit pas facilement aux acides et aux alcalis, ce qui pr\u00e9vient la corrosion et l&#039;affaiblissement structurel.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>R\u00e9sistance aux acides<\/strong>Les acides, en particulier les acides forts comme l&#039;acide sulfurique et l&#039;acide chlorhydrique, sont connus pour causer de graves dommages \u00e0 la plupart des m\u00e9taux et \u00e0 certains plastiques. Le PEHD, en revanche, reste largement insensible \u00e0 ces substances corrosives. En effet, les cha\u00eenes polym\u00e8res sont chimiquement stables et ne subissent pas de modifications significatives au contact des acides.<\/li>\n\n\n\n<li><strong>R\u00e9sistance aux alcalis<\/strong>De m\u00eame, les alcalis tels que l&#039;hydroxyde de sodium (soude caustique) et l&#039;hydroxyde de potassium sont tr\u00e8s corrosifs pour de nombreux mat\u00e9riaux, notamment les m\u00e9taux et les plastiques conventionnels. La r\u00e9sistance des tuyaux en PEHD noir aux alcalis est due \u00e0 leur structure mol\u00e9culaire, qui reste stable lorsqu&#039;ils sont expos\u00e9s \u00e0 ces substances. Les liaisons solides entre les cha\u00eenes polym\u00e8res emp\u00eachent les alcalis de les d\u00e9composer.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-performance-in-different-acidic-and-alkaline-environments\">Performances dans diff\u00e9rents environnements acides et alcalins<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le tuyau en PEHD noir est parfaitement adapt\u00e9 \u00e0 diverses applications o\u00f9 il peut \u00eatre expos\u00e9 aux acides et aux bases. Voici quelques exemples de situations o\u00f9 sa r\u00e9sistance aux acides et aux bases est remarquable\u00a0:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-chemical-transport-and-storage\">1. <strong>Transport et stockage de produits chimiques<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Dans des secteurs comme la fabrication de produits chimiques, les tuyaux en PEHD noir sont utilis\u00e9s pour le transport de produits chimiques agressifs, notamment d&#039;acides et de bases forts. Qu&#039;il s&#039;agisse d&#039;acide sulfurique dans une raffinerie ou d&#039;hydroxyde de sodium dans un processus de nettoyage, les tuyaux en PEHD noir supportent sans difficult\u00e9 les produits chimiques les plus agressifs. Leur r\u00e9sistance garantit l&#039;absence de d\u00e9gradation chimique ou de d\u00e9faillance, garantissant ainsi un syst\u00e8me de transport s\u00fbr et efficace.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-wastewater-treatment-plants\">2. <strong>Stations de traitement des eaux us\u00e9es<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les stations d&#039;\u00e9puration, les eaux us\u00e9es sont fr\u00e9quemment expos\u00e9es \u00e0 des eaux us\u00e9es acides et alcalines. Les fortes concentrations de produits chimiques, notamment l&#039;acide sulfurique issu des proc\u00e9d\u00e9s industriels et les substances alcalines issues des produits de nettoyage, peuvent corroder les autres mat\u00e9riaux des canalisations. Cependant, les tuyaux en PEHD noir r\u00e9sistent \u00e0 ces substances corrosives, garantissant ainsi un fonctionnement fiable et durable des syst\u00e8mes de gestion des eaux us\u00e9es.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-agricultural-irrigation-systems\">3. <strong>Syst\u00e8mes d&#039;irrigation agricole<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Les syst\u00e8mes agricoles n\u00e9cessitent souvent des tuyaux r\u00e9sistants aux engrais et aux produits chimiques utilis\u00e9s pour l&#039;entretien des cultures. Les tuyaux en PEHD noir sont couramment utilis\u00e9s dans ces environnements en raison de leur r\u00e9sistance aux acides et aux alcalis. Que ce soit pour des sols acides ou des eaux d&#039;irrigation alcalines, les tuyaux en PEHD noir pr\u00e9servent leur int\u00e9grit\u00e9 structurelle et pr\u00e9viennent la d\u00e9gradation chimique.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-4-oil-and-gas-pipelines\">4. <strong>Ol\u00e9oducs et gazoducs<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;industrie p\u00e9troli\u00e8re et gazi\u00e8re b\u00e9n\u00e9ficie \u00e9galement de la r\u00e9sistance chimique des tuyaux en PEHD noir. Les pipelines utilis\u00e9s pour le transport du p\u00e9trole, du gaz et des produits chimiques sont souvent expos\u00e9s \u00e0 des mati\u00e8res hautement corrosives, notamment les acides utilis\u00e9s dans certains proc\u00e9d\u00e9s d&#039;extraction. La haute r\u00e9sistance des tuyaux en PEHD noir aux acides et aux alcalis en fait un choix privil\u00e9gi\u00e9 pour le transport s\u00fbr de ces substances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-longevity-of-black-hdpe-pipe-in-acidic-and-alkaline-environments\">Long\u00e9vit\u00e9 des tuyaux en PEHD noir dans les environnements acides et alcalins<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;un de ses principaux avantages est sa durabilit\u00e9 \u00e0 long terme, notamment dans les environnements agressifs. Sa r\u00e9sistance aux acides et aux alcalis garantit le maintien de son int\u00e9grit\u00e9 structurelle pendant de nombreuses ann\u00e9es, m\u00eame dans des environnements chimiques difficiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par exemple, les tuyaux en PEHD noir utilis\u00e9s dans les syst\u00e8mes de transport de produits chimiques peuvent durer des d\u00e9cennies sans pr\u00e9senter d&#039;usure significative ni n\u00e9cessiter de remplacement. Cette longue dur\u00e9e de vie fait des tuyaux en PEHD noir une option \u00e9conomique pour les industries o\u00f9 le remplacement fr\u00e9quent de mat\u00e9riaux moins durables serait excessivement co\u00fbteux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-advantages-of-black-hdpe-pipe-in-acid-and-alkali-resistance\">Avantages des tuyaux en PEHD noir\u00a0: r\u00e9sistance aux acides et aux alcalis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs caract\u00e9ristiques font du tuyau en PEHD noir un choix sup\u00e9rieur dans les environnements acides et alcalins :<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-corrosion-resistance\">1. <strong>R\u00e9sistance \u00e0 la corrosion<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Contrairement aux tuyaux m\u00e9talliques, qui se corrodent au contact des acides ou des bases, les tuyaux en PEHD noir ne rouillent pas, ne se corrodent pas et ne se d\u00e9gradent pas. Cette r\u00e9sistance est essentielle pour pr\u00e9venir les fuites, les pannes de syst\u00e8me et les r\u00e9parations co\u00fbteuses.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-seamless-joints\">2. <strong>Joints sans couture<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Les tuyaux en PEHD noir sont assembl\u00e9s par thermofusion, un proc\u00e9d\u00e9 qui forme un tube monolithique continu, sans soudures ni joints susceptibles de s&#039;affaiblir avec le temps. Cette technologie de fusion pr\u00e9vient les fuites au niveau des joints et des raccords, offrant ainsi un syst\u00e8me plus fiable et plus durable.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-environmental-and-economic-benefits\">3. <strong>Avantages environnementaux et \u00e9conomiques<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9sistance \u00e0 la corrosion des tuyaux en PEHD noir r\u00e9duit les co\u00fbts de maintenance \u00e0 long terme, \u00e9vitant ainsi les r\u00e9parations et remplacements fr\u00e9quents. De plus, le PEHD \u00e9tant recyclable, il pr\u00e9sente des avantages environnementaux en r\u00e9duisant la demande de nouveaux mat\u00e9riaux et en pr\u00e9venant l&#039;accumulation de d\u00e9chets.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-4-flexibility\">4. <strong>Flexibilit\u00e9<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Les tuyaux en PEHD sont flexibles, ce qui leur permet d&#039;absorber les contraintes dues aux mouvements du sol ou aux variations de temp\u00e9rature sans se fissurer. Cette flexibilit\u00e9 contribue \u00e9galement \u00e0 la r\u00e9sistance du tuyau aux acides et aux alcalis, car il est moins susceptible de d\u00e9velopper des fissures qui pourraient exposer le mat\u00e9riau interne aux attaques chimiques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-to-maximize-the-lifespan-of-black-hdpe-pipes\">Comment maximiser la dur\u00e9e de vie des tuyaux en PEHD noirs<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bien que le tuyau en PEHD noir soit tr\u00e8s r\u00e9sistant aux acides et aux alcalis, sa dur\u00e9e de vie peut \u00eatre maximis\u00e9e gr\u00e2ce \u00e0 des pratiques d&#039;installation et d&#039;entretien appropri\u00e9es :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Installation correcte<\/strong>: S&#039;assurer que le tuyau est install\u00e9 conform\u00e9ment aux directives du fabricant permet d&#039;\u00e9viter tout dommage lors de l&#039;installation. Une fusion ad\u00e9quate des sections du tuyau est essentielle pour pr\u00e9server sa r\u00e9sistance aux produits chimiques.<\/li>\n\n\n\n<li><strong>Inspection r\u00e9guli\u00e8re<\/strong>Les inspections de routine permettent d&#039;identifier tout probl\u00e8me potentiel, comme des dommages physiques ou de l&#039;usure. Veiller \u00e0 ce que le tuyau ne soit pas soumis \u00e0 des contraintes m\u00e9caniques excessives ou \u00e0 des dommages chimiques externes contribuera \u00e0 prolonger sa dur\u00e9e de vie.<\/li>\n\n\n\n<li><strong>\u00c9viter les conditions extr\u00eames<\/strong>Bien que le tuyau en PEHD noir r\u00e9siste \u00e0 de nombreux acides et bases, une exposition \u00e0 des temp\u00e9ratures extr\u00eames ou \u00e0 un rayonnement UV excessif peut alt\u00e9rer ses propri\u00e9t\u00e9s. L&#039;installation du tuyau dans des zones peu expos\u00e9es aux UV ou l&#039;application d&#039;un rev\u00eatement protecteur peut contribuer \u00e0 pr\u00e9venir sa d\u00e9gradation.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-black-hdpe-pipe-in-various-industries\">Tuyaux en PEHD noirs dans diverses industries<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9sistance aux acides et aux alcalis du tuyau en PEHD noir le rend adapt\u00e9 \u00e0 une vari\u00e9t\u00e9 d&#039;applications dans de nombreux secteurs :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syst\u00e8mes d&#039;approvisionnement en eau<\/strong>:Le tuyau en PEHD noir r\u00e9siste \u00e0 l&#039;eau acide et alcaline, garantissant une distribution d&#039;eau propre sans contamination.<\/li>\n\n\n\n<li><strong>Industries chimiques<\/strong>:Il est id\u00e9al pour transporter des produits chimiques corrosifs tels que les acides, les alcalis et les solvants.<\/li>\n\n\n\n<li><strong>Agriculture<\/strong>:Le tuyau est utilis\u00e9 pour les syst\u00e8mes d\u2019irrigation, o\u00f9 il peut r\u00e9sister aux produits chimiques pr\u00e9sents dans les engrais et les pesticides.<\/li>\n\n\n\n<li><strong>P\u00e9trole et gaz<\/strong>:Les tuyaux en PEHD noir transportent en toute s\u00e9curit\u00e9 du p\u00e9trole et du gaz, ainsi que des sous-produits chimiques qui peuvent \u00eatre acides ou alcalins.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9sistance aux acides et aux alcalis des tuyaux en PEHD noir en fait un choix de premier ordre pour les industries n\u00e9cessitant des solutions de tuyauterie durables et r\u00e9sistantes aux environnements chimiques agressifs. Gr\u00e2ce \u00e0 leur r\u00e9sistance \u00e0 la corrosion, leur flexibilit\u00e9 et leur capacit\u00e9 \u00e0 maintenir leur int\u00e9grit\u00e9 structurelle dans des conditions difficiles, les tuyaux en PEHD noir offrent des avantages significatifs par rapport aux mat\u00e9riaux de tuyauterie traditionnels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En r\u00e9sum\u00e9, la capacit\u00e9 des tuyaux en PEHD noir \u00e0 r\u00e9sister aux substances acides et alcalines sans d\u00e9gradation ni d\u00e9faillance assure leur pr\u00e9dominance continue dans des applications allant du transport de produits chimiques industriels aux syst\u00e8mes d&#039;irrigation agricole. Face \u00e0 la demande croissante des industries en solutions plus fiables, plus \u00e9conomiques et plus respectueuses de l&#039;environnement, les tuyaux en PEHD noir resteront un acteur cl\u00e9 du d\u00e9veloppement des infrastructures modernes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ifan-international-standard\">Norme internationale IFAN<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les raccords et tubes \u00e0 compression en PEHD d&#039;IFAN sont conformes \u00e0 un large \u00e9ventail de normes internationales, garantissant des performances \u00e9lev\u00e9es et une compatibilit\u00e9 mondiale. Parmi celles-ci figurent les normes ASTM D3035 et ASTM D3350 des \u00c9tats-Unis, les normes ISO 4427 et EN 12201 d&#039;Europe, les normes DIN 8074\/8075 d&#039;Allemagne, GB\/T 13663 de Chine, AS\/NZS 4130 d&#039;Australie et de Nouvelle-Z\u00e9lande, JIS K6760 du Japon, BS 6572 du Royaume-Uni et CSA B137.1 du Canada. Le respect de ces normes garantit d&#039;excellentes propri\u00e9t\u00e9s m\u00e9caniques, une r\u00e9sistance chimique et une durabilit\u00e9 \u00e0 long terme pour diverses applications industrielles et d&#039;approvisionnement en eau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-contact\">Contact<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IFAN est un fabricant professionnel fort de 30 ans d&#039;exp\u00e9rience, sp\u00e9cialis\u00e9 dans la production de tuyaux, raccords et vannes en plastique de haute qualit\u00e9. Nos produits comprennent des vannes en laiton, des vannes en PPR, ainsi que divers tuyaux et raccords pour r\u00e9pondre aux diff\u00e9rents besoins de nos clients. Que vous ayez besoin de tuyaux de plomberie et d&#039;\u00e9vacuation ou de vannes, IFAN propose une gamme diversifi\u00e9e de produits de haute qualit\u00e9 et \u00e9conomiques pour vos projets. Vous trouverez nos coordonn\u00e9es ci-dessous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous r\u00e9pondrons \u00e0 votre e-mail ou fax dans les 24 heures.<br>Vous pouvez nous appeler \u00e0 tout moment si vous avez des questions sur notre production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour plus d&#039;informations, veuillez visiter notre site Web&nbsp;<a href=\"https:\/\/ifanplus.com\/fr\">https:\/\/www.ifanplus.com\/<\/a><br>Veuillez envoyer un mail \u00e0 :&nbsp;<a href=\"mailto:jack@ifangroup.com\">jack@ifangroup.com<\/a><br><a href=\"https:\/\/api.whatsapp.com\/send?phone=https:\/\/api.whatsapp.com\/send?l=en&amp;phone=8619857948982\">WhatsApp : + 86 19857948982<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Black HDPE (High-Density Polyethylene) pipe is one of the most versatile and durable piping materials used across various industries. Its exceptional resistance to chemicals, including both acids and alkalis, is one of the key factors driving its widespread use. Whether in water distribution systems, chemical transport, or industrial applications, black HDPE pipe proves to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":22387,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[256,537,615,253,591,254],"class_list":["post-22386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-hdpe","tag-hdpe-fitting","tag-hdpe-irrigation-pipes","tag-hdpe-pipe","tag-hdpe-pipe-fitting","tag-hdpe-plumbing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v27.9) - 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