{"id":2012,"date":"2025-10-21T05:09:25","date_gmt":"2025-10-21T05:09:25","guid":{"rendered":"https:\/\/thaiengineeringgases.com\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/"},"modified":"2026-03-15T13:01:38","modified_gmt":"2026-03-15T13:01:38","slug":"aus40","status":"publish","type":"page","link":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/","title":{"rendered":"AUS40 urea solution"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2012\" class=\"elementor elementor-2012 elementor-443\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-401f1a73 e-flex e-con-boxed e-con e-parent\" data-id=\"401f1a73\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-aa511aa e-con-full e-flex e-con e-child\" data-id=\"aa511aa\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ec6d6b elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"4ec6d6b\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">AUS40 or Marine urea solution 40%<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43a3754 elementor-widget elementor-widget-text-editor\" data-id=\"43a3754\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>AUS40 stands for Aqueous Urea Solution 40% (also known as Marine Urea Solution 40%). It is a diesel exhaust fluid (DEF) for industrial plants and marine vessels, used in Selective Catalytic Reduction (SCR) systems. It is commonly found in large diesel engines, such as those of marine vessels and large trucks, as well as in diesel generators and steam generators (boilers) in industrial plants that require exhaust gas treatment before release into the atmosphere, thus promoting environmental friendliness.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0933234 e-flex e-con-boxed e-con e-parent\" data-id=\"0933234\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bbb6f64 e-grid e-con-full e-con e-child\" data-id=\"bbb6f64\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-95b1b24 elementor-widget elementor-widget-spacer\" data-id=\"95b1b24\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f076521 e-flex e-con-boxed e-con e-parent\" data-id=\"f076521\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0be374b e-grid e-con-full e-con e-child\" data-id=\"0be374b\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81e618f elementor-widget elementor-widget-text-editor\" data-id=\"81e618f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Aqueous Urea Solution 40% is a highly purified urea solution with a 40% urea concentration. It is used as a reagent to reduce nitrogen oxide (NOx) emissions from combustion in diesel engines. This solution is injected into the SCR system and reacts with NOx to convert it into nitrogen and water before being released into the atmosphere. This helps reduce air pollution and improves engine efficiency.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b697b87 elementor-widget elementor-widget-image\" data-id=\"b697b87\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"527\" src=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg\" class=\"attachment-large size-large wp-image-2416\" alt=\"\" srcset=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg 1024w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-300x198.jpg 300w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-768x506.jpg 768w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325.jpg 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Marine urea solution is used in SCR systems in marine vessels.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bfe1054 e-flex e-con-boxed e-con e-parent\" data-id=\"bfe1054\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c34996 elementor-widget elementor-widget-text-editor\" data-id=\"2c34996\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4>Properties of AUS40 or Marine Urea Solution 40%<\/h4><p>Aqueous Urea Solution 40% has specific properties essential for reactions within SCR systems, as follows:<\/p><ul><li>It is a 40% concentration of urea in water, made from high-purity urea, free from minerals and heavy metals such as<\/li><li>Phosphate, Aluminum, Calcium, Iron, Copper, Zinc, Chromium, Nickel, Magnesium, Sodium, and Potassium (or present in very small amounts and within specified standard limits).<\/li><li>Freezing point: approximately -11 \u00b0C<\/li><li>Boiling point: 100 \u00b0C<\/li><li>pH: 9 &#8211; 10<\/li><li>Relative density: 1.11 kg\/m3 at 20 \u00b0C<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9c33e9e e-flex e-con-boxed e-con e-parent\" data-id=\"9c33e9e\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c9931c elementor-widget elementor-widget-text-editor\" data-id=\"9c9931c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4>Benefits of AUS40 or Marine Urea Solution 40%<\/h4><ul><li>Reduces nitrogen oxide (NOx) emissions by up to 90% through the SCR (Surgical Reactivity Check) system of diesel engines in ocean-going vessels or large tankers, diesel generators, and steam generators (boilers), effectively meeting environmental requirements.<\/li><li>It improves fuel combustion efficiency in engines. Using AUS40 urea solution not only reduces emissions but also improves fuel combustion efficiency, resulting in cost savings and extended engine life.<\/li><li>It complies with the regulations and requirements of the International Convention on the Control and Prevention of Air Pollution from Ships (IMO MARPOL Annex VI), which limits sulfur oxide (SOx) and nitrogen oxide (NOx) emissions from ship exhaust.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f9605cb e-con-full e-flex e-con e-child\" data-id=\"f9605cb\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-3be5297 e-grid e-con-full e-con e-child\" data-id=\"3be5297\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-faa7367 elementor-widget elementor-widget-image\" data-id=\"faa7367\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/Deliver-AUS40-or-Marine-urea-solution-40-by-Flexitank-size-22000-L-768x576.jpg\" class=\"attachment-medium_large size-medium_large wp-image-2417\" alt=\"\" srcset=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/Deliver-AUS40-or-Marine-urea-solution-40-by-Flexitank-size-22000-L-768x576.jpg 768w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/Deliver-AUS40-or-Marine-urea-solution-40-by-Flexitank-size-22000-L-300x225.jpg 300w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/Deliver-AUS40-or-Marine-urea-solution-40-by-Flexitank-size-22000-L-1024x768.jpg 1024w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/Deliver-AUS40-or-Marine-urea-solution-40-by-Flexitank-size-22000-L.jpg 1477w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Deliver AUS40 or Marine urea 40% by Flexitank size 22000 L<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7be4077 elementor-widget elementor-widget-image\" data-id=\"7be4077\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/AUS40-or-Marine-urea-solution-40-in-IBC-size-1000-L-768x576.jpg\" class=\"attachment-medium_large size-medium_large wp-image-2418\" alt=\"\" srcset=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/AUS40-or-Marine-urea-solution-40-in-IBC-size-1000-L-768x576.jpg 768w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/AUS40-or-Marine-urea-solution-40-in-IBC-size-1000-L-300x225.jpg 300w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/AUS40-or-Marine-urea-solution-40-in-IBC-size-1000-L-1024x768.jpg 1024w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/AUS40-or-Marine-urea-solution-40-in-IBC-size-1000-L-1536x1152.jpg 1536w, https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/AUS40-or-Marine-urea-solution-40-in-IBC-size-1000-L.jpg 1613w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Marine urea 40% in IBC size 1000 L<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d9c1dcd e-flex e-con-boxed e-con e-parent\" data-id=\"d9c1dcd\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b24ef2 elementor-widget elementor-widget-text-editor\" data-id=\"7b24ef2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4>Looking to purchase AUS40 or Marine Urea Solution 40% for your SCR system?<\/h4><p>Thai Engineering Gas Co., Ltd. (TEG) is a leading distributor of AUS40 brand BLUETEG\u00ae of Thailand. Compliant with ISO18611 standards, BLUETEG\u00ae AUS40 is a high-quality product, ensuring maximum reliability.<\/p><p>\u00a0<\/p><p>TEG supplies the product in size 1000-liter containers or can deliver larger quantities (up to 22,000 liters) via tanker trucks for convenient use, cost reduction, and to meet customer needs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e19488 e-flex e-con-boxed e-con e-parent\" data-id=\"1e19488\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57dda41 elementor-widget elementor-widget-text-editor\" data-id=\"57dda41\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>For more information\u00a0 <a href=\"https:\/\/thaiengineeringgases.com\/en\/contact\/\">please contact<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5550da3 elementor-widget elementor-widget-spacer\" data-id=\"5550da3\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6201c4c btn-line elementor-align-left elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"6201c4c\" data-element_type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/line.me\/R\/ti\/p\/@teg.official\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"Layer_1\" height=\"512\" viewBox=\"0 0 152 152\" width=\"512\"><path id=\"Icon\" d=\"m76 13.7c-35.8 0-65 23.9-65 53.1 0 26.2 23.1 48.3 54.3 52.3 2.1.5 5 1.5 5.7 3.2.5 1.9.7 3.9.2 5.8l-.8 5.5c-.3 1.6-1.3 6.5 5.7 3.6s37.5-22.3 51.2-38c9.3-10.2 13.8-20.8 13.8-32.5-.1-29.1-29.3-53-65.1-53zm-25.5 70.6h-13c-1.8 0-3.2-1.5-3.2-3.4v-26c0-2 1.5-3.4 3.4-3.4 2 0 3.4 1.5 3.4 3.4v22.4h9.4c2 .2 3.2 1.8 3.2 3.7-.1 1.6-1.4 3.1-3.2 3.3zm13.5-3.4c.2 1.9-1.3 3.6-3.2 3.6-1.9.2-3.6-1.3-3.6-3.2 0-.2 0-.3 0-.5v-25.9c-.2-2 1.3-3.6 3.2-3.6s3.6 1.3 3.6 3.2v.5zm31 0c0 1.8-1.5 3.4-3.4 3.4-1.1 0-2.1-.5-2.8-1.3l-13.3-18.2v16.1c.2 1.9-1.3 3.6-3.2 3.6-1.9.2-3.6-1.3-3.6-3.2 0-.2 0-.3 0-.5v-26c0-1.5 1-2.8 2.3-3.1.3-.2.7-.2 1-.2 1 0 2.1.5 2.8 1.3l13.3 18v-16.1c0-2 1.5-3.4 3.4-3.4s3.4 1.5 3.4 3.4zm20.8-16.5c1.9.2 3.2 1.8 3.2 3.7-.2 1.8-1.5 3.1-3.2 3.2h-9.4v6.2h9.4c1.9.2 3.2 1.8 3.2 3.7-.2 1.8-1.5 3.1-3.2 3.2h-13c-1.8 0-3.2-1.6-3.2-3.4v-26.1c0-2 1.5-3.4 3.4-3.4h13c1.9.2 3.2 1.8 3.2 3.7-.2 1.8-1.5 3.1-3.2 3.2h-9.6v6.2z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">\u0e15\u0e34\u0e14\u0e15\u0e48\u0e2d LINE OFFICIAL<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f2d463 elementor-widget elementor-widget-spacer\" data-id=\"2f2d463\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>AUS40 or Marine urea solution 40% AUS40 stands for Aqueous Urea Solution 40% (also known as Marine Urea Solution 40%). It is a diesel exhaust fluid (DEF) for industrial plants and marine vessels, used in Selective Catalytic Reduction (SCR) systems. It is commonly found in large diesel engines, such as those of marine vessels and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2010,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2012","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AUS40 - Aqueous Urea Solution 40% , reduce NOx in SCR system<\/title>\n<meta name=\"description\" content=\"We supply AUS40 or Urea solution 40% the high quality product for large ocean vessels, or any industry to reduce NOx in SCR system\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AUS40 - Aqueous Urea Solution 40% , reduce NOx in SCR system\" \/>\n<meta property=\"og:description\" content=\"We supply AUS40 or Urea solution 40% the high quality product for large ocean vessels, or any industry to reduce NOx in SCR system\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/\" \/>\n<meta property=\"og:site_name\" content=\"Thai Engineering Gas Co., Ltd.\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-15T13:01:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/\",\"url\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/\",\"name\":\"AUS40 - Aqueous Urea Solution 40% , reduce NOx in SCR system\",\"isPartOf\":{\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg\",\"datePublished\":\"2025-10-21T05:09:25+00:00\",\"dateModified\":\"2026-03-15T13:01:38+00:00\",\"description\":\"We supply AUS40 or Urea solution 40% the high quality product for large ocean vessels, or any industry to reduce NOx in SCR system\",\"breadcrumb\":{\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#primaryimage\",\"url\":\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg\",\"contentUrl\":\"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/thaiengineeringgases.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products and Services\",\"item\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chemical Business Group\",\"item\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Exhaust gas treatment fluid\",\"item\":\"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"AUS40 urea solution\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/thaiengineeringgases.com\/en\/#website\",\"url\":\"https:\/\/thaiengineeringgases.com\/en\/\",\"name\":\"Thai Engineering Gas Co., Ltd.\",\"description\":\"Gases &amp; Chemicals distributor, Engineering services &amp; solutions provider\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/thaiengineeringgases.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"AUS40 - Aqueous Urea Solution 40% , reduce NOx in SCR system","description":"We supply AUS40 or Urea solution 40% the high quality product for large ocean vessels, or any industry to reduce NOx in SCR system","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/","og_locale":"en_US","og_type":"article","og_title":"AUS40 - Aqueous Urea Solution 40% , reduce NOx in SCR system","og_description":"We supply AUS40 or Urea solution 40% the high quality product for large ocean vessels, or any industry to reduce NOx in SCR system","og_url":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/","og_site_name":"Thai Engineering Gas Co., Ltd.","article_modified_time":"2026-03-15T13:01:38+00:00","og_image":[{"url":"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/","url":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/","name":"AUS40 - Aqueous Urea Solution 40% , reduce NOx in SCR system","isPartOf":{"@id":"https:\/\/thaiengineeringgases.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#primaryimage"},"image":{"@id":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#primaryimage"},"thumbnailUrl":"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg","datePublished":"2025-10-21T05:09:25+00:00","dateModified":"2026-03-15T13:01:38+00:00","description":"We supply AUS40 or Urea solution 40% the high quality product for large ocean vessels, or any industry to reduce NOx in SCR system","breadcrumb":{"@id":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#primaryimage","url":"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg","contentUrl":"https:\/\/thaiengineeringgases.com\/wp-content\/uploads\/2025\/11\/7325-1024x674.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/aus40\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/thaiengineeringgases.com\/en\/"},{"@type":"ListItem","position":2,"name":"Products and Services","item":"https:\/\/thaiengineeringgases.com\/en\/products-services\/"},{"@type":"ListItem","position":3,"name":"Chemical Business Group","item":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/"},{"@type":"ListItem","position":4,"name":"Exhaust gas treatment fluid","item":"https:\/\/thaiengineeringgases.com\/en\/products-services\/chemicals-business\/diesel-exhaust-fluid\/"},{"@type":"ListItem","position":5,"name":"AUS40 urea solution"}]},{"@type":"WebSite","@id":"https:\/\/thaiengineeringgases.com\/en\/#website","url":"https:\/\/thaiengineeringgases.com\/en\/","name":"Thai Engineering Gas Co., Ltd.","description":"Gases &amp; Chemicals distributor, Engineering services &amp; solutions provider","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/thaiengineeringgases.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/pages\/2012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/comments?post=2012"}],"version-history":[{"count":13,"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/pages\/2012\/revisions"}],"predecessor-version":[{"id":2785,"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/pages\/2012\/revisions\/2785"}],"up":[{"embeddable":true,"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/pages\/2010"}],"wp:attachment":[{"href":"https:\/\/thaiengineeringgases.com\/en\/wp-json\/wp\/v2\/media?parent=2012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}