{"id":1458,"date":"2026-05-11T14:49:01","date_gmt":"2026-05-11T06:49:01","guid":{"rendered":"http:\/\/8.211.42.149\/?post_type=myproducts&#038;p=1458"},"modified":"2026-07-02T10:01:15","modified_gmt":"2026-07-02T02:01:15","slug":"hdpe","status":"publish","type":"products","link":"https:\/\/walleglobal.com\/de\/products\/hdpe\/","title":{"rendered":"HDPE"},"content":{"rendered":"\n<div id=\"wp-block-themeisle-blocks-advanced-columns-f077f37b\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-unset\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-db7d1098\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<style>\n\n\n.final-slider-wrapper * {\n  margin: 0 !important;\n  padding: 0 !important;\n  box-sizing: border-box !important;\n  border: none !important;\n  background: transparent !important;\n}\n\n\n.final-slider-wrapper {\n  width: 100% !important;\n  max-width: 73% !important;\n  height: 200px !important;\n  position: relative !important;\n  margin: 0 auto !important;\n  perspective: 1800px !important;\n  overflow: visible !important;\n}\n\n\n.final-slider-track {\n  width: 100% !important;\n  height: 100% !important;\n  position: relative !important;\n  transform-style: preserve-3d !important;\n}\n\n\n.final-slide {\n  position: absolute !important;\n  width: 60% !important;\n  max-width: 300px !important;\n  height: 200px !important;\n  left: 50% !important;\n  top: 50% !important;\n  transform: translate(-50%, -50%);\n  border-radius: 8px !important;\n  overflow: hidden !important;\n  box-shadow: 0 10px 30px rgba(0,0,0,0.2) !important;\n  transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;\n  backface-visibility: hidden !important;\n  cursor: pointer;\n}\n\n\n.final-slide img {\n  width: 100% !important;\n  height: 100% !important;\n  object-fit: cover !important;\n  display: block !important;\n  pointer-events: none !important;\n}\n\n.slide-btn {\n  position: absolute;\n  top: 50%;\n  transform: translateY(-50%);\n  width: 44px;\n  height: 44px;\n  background: #777777 !important; \n  border-radius: 50%;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  color: #ffffff; \n  font-size: 30px;\n  font-weight: bold;\n  border: none;\n  z-index: 20;\n  cursor: pointer;\n  display: none; \n}\n\n#prevBtn::after {\n  content: \"\u2039\";\n}\n#nextBtn::after {\n  content: \"\u203a\";\n}\n#prevBtn { left: 10px; }\n#nextBtn { right: 10px; }\n\n\n.img-modal {\n  position: fixed !important;\n  top: 0 !important;\n  left: 0 !important;\n  width: 100% !important;\n  height: 100% !important;\n  background: rgba(0,0,0,0.85) !important;\n  display: none;\n  align-items: center;\n  justify-content: center;\n  z-index: 99999 !important;\n}\n.img-modal img {\n  max-width: 90%;\n  max-height: 90vh;\n  border-radius: 6px;\n}\n\n@media (max-width: 768px) {\n  .final-slider-wrapper {\n    max-width: 100% !important;\n    height: 300px !important;\n    padding: 0 10px !important;\n  }\n  .final-slide {\n    width: 80% !important;\n    height: 220px !important;\n  }\n\n  .slide-btn {\n    display: flex !important;\n  }\n}\n<\/style>\n\n\n<div class=\"final-slider-wrapper\">\n  <div class=\"final-slider-track\">\n    <div class=\"final-slide\"><img decoding=\"async\" src=\"https:\/\/walleglobal.com\/wp-content\/uploads\/2026\/05\/HDPE-Seals1.jpg\"><\/div>\n\n  <\/div>\n\n\n  <div class=\"slide-btn\" id=\"prevBtn\"><\/div>\n  <div class=\"slide-btn\" id=\"nextBtn\"><\/div>\n<\/div>\n\n\n<div class=\"img-modal\" id=\"imgModal\">\n  <img decoding=\"async\" src=\"\" id=\"modalImg\">\n<\/div>\n\n\n<script>\n(function(){\n  const slides = document.querySelectorAll('.final-slide');\n  const imgModal = document.getElementById('imgModal');\n  const modalImg = document.getElementById('modalImg');\n  const prevBtn = document.getElementById('prevBtn');\n  const nextBtn = document.getElementById('nextBtn');\n\n  let current = 0;\n  const len = slides.length;\n\n  function render() {\n\n    if (len === 1) {\n      slides[0].style.transform = 'translate(-50%, -50%) scale(1)';\n      slides[0].style.opacity = '1';\n      slides[0].style.pointerEvents = 'auto';\n      return;\n    }\n\n \n    if (len === 2) {\n      slides.forEach((slide, idx) => {\n        if(idx === current){\n          slide.style.transform = 'translate(-50%, -50%) scale(1)';\n        }else{\n          slide.style.transform = 'translate(-50%, -50%) translateX(-100%) scale(0.7)';\n        }\n        slide.style.opacity = '1';\n        slide.style.pointerEvents = 'auto';\n      });\n      return;\n    }\n\n\n    slides.forEach((slide, idx) => {\n      let diff = idx - current;\n      if (diff > len\/2) diff -= len;\n      if (diff < -len\/2) diff += len;\n      const absDiff = Math.abs(diff);\n\n      if (absDiff > 1) {\n        slide.style.opacity = '0';\n        slide.style.pointerEvents = 'none';\n      } else {\n        slide.style.opacity = '1';\n        slide.style.pointerEvents = 'auto';\n      }\n\n      let transform = '';\n      if (diff === 0) {\n        transform = `translate(-50%, -50%) scale(1)`;\n      } else if (diff === 1) {\n        transform = `translate(-50%, -50%) translateX(100%) scale(0.7)`;\n      } else if (diff === -1) {\n        transform = `translate(-50%, -50%) translateX(-100%) scale(0.7)`;\n      }\n      slide.style.transform = transform;\n    });\n  }\n\n\n  slides.forEach((el, idx) => {\n    el.onclick = function(){\n\n      if(idx === current){\n        modalImg.src = el.querySelector('img').src;\n        imgModal.style.display = 'flex';\n        return;\n      }\n\n      if (idx === current - 1 || idx === current - 1 + len) {\n        current = (current - 1 + len) % len;\n        render();\n      } else if (idx === current + 1 || idx === current + 1 - len) {\n        current = (current + 1) % len;\n        render();\n      }\n    };\n  });\n\n\n  prevBtn.onclick = () => {\n    if(len <= 1) return;\n    current = (current - 1 + len) % len;\n    render();\n  };\n \n  nextBtn.onclick = () => {\n    if(len <= 1) return;\n    current = (current + 1) % len;\n    render();\n  };\n\n\n  imgModal.onclick = function(){\n    imgModal.style.display = 'none';\n  };\n\n  render();\n})();\n<\/script>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-c12399e1\" class=\"wp-block-themeisle-blocks-advanced-columns alignwide has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-unset\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-04a4f088\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div id=\"wp-block-themeisle-blocks-tabs-c31bb210\" class=\"wp-block-themeisle-blocks-tabs is-style-border\"><div class=\"wp-block-themeisle-blocks-tabs__content\">\n<div data-title=\"&lt;strong&gt;&lt;strong&gt;Material Introduction&lt;\/strong&gt;&lt;\/strong&gt;\" class=\"wp-block-themeisle-blocks-tabs-item\"><div class=\"wp-block-themeisle-blocks-tabs-item__header\" tabindex=\"0\"><strong><strong>Material Introduction<\/strong><\/strong><\/div><div class=\"wp-block-themeisle-blocks-tabs-item__content\">\n<p class=\"wp-block-paragraph\">High Density Polyethylene (HDPE) is an important thermoplastic polymer. Since its introduction in 1956, its applications have expanded continuously with technological advances. As a linear polyethylene primarily formed by the addition polymerization of ethylene monomers, HDPE exhibits excellent physical and chemical properties.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HDPE has a relatively high molecular weight, typically ranging from 200,000 to 500,000, which grants it high strength, high toughness, and good wear resistance. Its tensile strength and impact resistance outperform those of Low-Density Polyethylene (LDPE) and Linear Low-Density Polyethylene (LLDPE), making it ideal for applications requiring high strength and durability. HDPE also offers outstanding chemical corrosion resistance, capable of withstanding attack by most acids, alkalis, salts, and organic solvents. This property makes it widely used in the manufacturing of chemical containers, pipelines, and storage tanks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HDPE has a relatively high melting point, generally between 120\u00b0C and 140\u00b0C, with good thermal stability that allows it to maintain its physical properties at elevated temperatures. Meanwhile, it features excellent low-temperature performance, retaining its toughness at -40\u00b0C. Additionally, HDPE possesses good electrical insulation properties, with a high dielectric constant and volume resistivity, making it widely used in the production of cable sheaths and electrical insulating materials.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are various production methods for HDPE, including high-pressure, low-pressure, solution polymerization, and gas-phase processes. Among these, the low-pressure method is the mainstream technology for current HDPE production, offering advantages such as low energy consumption, mild reaction conditions, and high product purity.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-b05bd3ef\" class=\"wp-block-themeisle-blocks-advanced-columns alignwide has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-unset\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-aad48113\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div id=\"wp-block-themeisle-blocks-tabs-df28e45a\" class=\"wp-block-themeisle-blocks-tabs is-style-border\"><div class=\"wp-block-themeisle-blocks-tabs__content\">\n<div data-title=\"&lt;strong&gt;&lt;strong&gt;Application Industry&lt;\/strong&gt;&lt;\/strong&gt;\" class=\"wp-block-themeisle-blocks-tabs-item\"><div class=\"wp-block-themeisle-blocks-tabs-item__header\" tabindex=\"0\"><strong><strong>Application Industry<\/strong><\/strong><\/div><div class=\"wp-block-themeisle-blocks-tabs-item__content\">\n<p class=\"wp-block-paragraph\">HDPE sealing rings, as an important application form of HDPE material, play a vital role in various industries due to their excellent performance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Packaging Industry<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HDPE sealing rings are widely used in food packaging, liquid containers, and chemical packaging. Their high transparency and good sealing performance ensure product safety and extend shelf life. For example, in the packaging of milk, juice, and detergents, HDPE sealing rings not only prevent leakage but also ensure product hygiene and freshness.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Construction Industry<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HDPE sealing rings play an important role in water supply and drainage systems, natural gas transportation, and cable protection conduits. With HDPE\u2019s corrosion resistance, pressure resistance, and long service life, these sealing rings perform exceptionally well in pipe connections, effectively preventing leaks and damage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Agricultural Sector<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In agriculture and horticulture, HDPE sealing rings are used for greenhouse covers, mulch films, irrigation pipelines, and horticultural container seals. Their durability and weather resistance improve agricultural productivity and reduce waste of pesticides and water resources.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Automotive Industry<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HDPE sealing rings are also widely used in automotive manufacturing, primarily for sealing interior and exterior components. HDPE\u2019s lightweight properties help reduce overall vehicle weight, improve fuel efficiency, and lower emissions. Meanwhile, its excellent impact resistance enhances vehicle safety.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Chemical Industry<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In chemical containers, HDPE sealing rings are widely used due to their outstanding chemical corrosion resistance. They can withstand the attack of various chemical media, ensuring the safe and stable operation of chemical equipment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In summary, High-Density Polyethylene (HDPE) is an important synthetic material with a wide range of applications and excellent physical and chemical properties. As one of its key application forms, HDPE sealing rings play a significant role in multiple industries including packaging, construction, agriculture, automotive, and chemicals.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator alignwide has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-9a0e83fe\" class=\"wp-block-themeisle-blocks-advanced-columns alignwide has-1-columns has-desktop-equal-layout has-tablet-equal-layout has-mobile-equal-layout has-vertical-unset\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-5daca14f\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f1426-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"1426\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/de\/wp-json\/wp\/v2\/products\/1458#wpcf7-f1426-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" enctype=\"multipart\/form-data\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"1426\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f1426-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"uacf7-form-wrapper-container uacf7-form-1426  \"><div class=\"cf7-original-style\">\n\n  <div class=\"cf7-row\">\n    <div class=\"cf7-col-half\">\n      <label>Name <span class=\"required\">*<\/span><\/label>\n      <span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required cf7-input\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n    <\/div>\n\n    <div class=\"cf7-col-half\">\n      <label>Email <span class=\"required\">*<\/span><\/label>\n      <span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email cf7-input\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n    <\/div>\n  <\/div>\n\n  <div class=\"cf7-row\">\n    <div class=\"cf7-col-half\">\n      <label>Country<\/label>\n      <span class=\"wpcf7-form-control-wrap\" data-name=\"your-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text cf7-input\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-country\" \/><\/span>\n    <\/div>\n\n    <div class=\"cf7-col-half\">\n      <label>Industry<\/label>\n      <span class=\"wpcf7-form-control-wrap\" data-name=\"your-industry\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text cf7-input\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-industry\" \/><\/span>\n    <\/div>\n  <\/div>\n\n  <div class=\"cf7-row\">\n    <div class=\"cf7-col-full\">\n      <label>Message <span class=\"required\">*<\/span><\/label>\n      <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"7\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required cf7-textarea\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span>\n    <\/div>\n  <\/div>\n\n  <div class=\"cf7-row\">\n    <div class=\"cf7-col-full\">\n      <label>Upload Drawing<\/label>\n      <span class=\"wpcf7-form-control-wrap\" data-name=\"your-drawing\"><input size=\"40\" class=\"wpcf7-form-control wpcf7-file cf7-input\" accept=\".pdf,.dwg,.dxf,.zip,.jpg,.jpeg,.png\" aria-invalid=\"false\" type=\"file\" name=\"your-drawing\" \/><\/span>\n      <small class=\"cf7-file-note\">\n        Accepted formats: PDF, DWG, DXF, ZIP, JPG and PNG. Maximum file size: 10MB.\n      <\/small>\n    <\/div>\n  <\/div>\n\n  <div class=\"cf7-row\">\n    <div class=\"cf7-col-full\">\n      <p class=\"cf7-disclaimer\">\n        You agree to receive email communication from us by submitting this form and understand that your contact information will be stored with us.\n      <\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"cf7-row\">\n    <div class=\"cf7-col-full\">\n      <input class=\"wpcf7-form-control wpcf7-submit has-spinner cf7-submit\" type=\"submit\" value=\"Submit\" \/>\n    <\/div>\n  <\/div>\n\n<\/div><\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":1025,"template":"","meta":{"_themeisle_gutenberg_block_has_review":false},"class_list":["post-1458","products","type-products","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/walleglobal.com\/de\/wp-json\/wp\/v2\/products\/1458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/walleglobal.com\/de\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/walleglobal.com\/de\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/walleglobal.com\/de\/wp-json\/wp\/v2\/media\/1025"}],"wp:attachment":[{"href":"https:\/\/walleglobal.com\/de\/wp-json\/wp\/v2\/media?parent=1458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}