{"id":11992,"date":"2026-09-04T19:00:24","date_gmt":"2026-09-04T19:00:24","guid":{"rendered":"https:\/\/spico.org\/?post_type=portfolio&#038;p=11992"},"modified":"2026-11-03T20:46:29","modified_gmt":"2026-11-03T20:46:29","slug":"performance-grade-pg-bitumen","status":"publish","type":"portfolio","link":"https:\/\/spico.org\/en\/products\/performance-grade-pg-bitumen\/","title":{"rendered":"Performance Grade (PG) Bitumen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"11992\" class=\"elementor elementor-11992 elementor-11571\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7d9957a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d9957a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-c539974 column-xtra-sticky\" data-id=\"c539974\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-756da6c elementor-widget elementor-widget-text-editor\" data-id=\"756da6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\"><strong>Performance Grade (PG) bitumen<\/strong>, developed under the <strong>Superpave<\/strong> (Superior Performing Asphalt Pavements) research program in the United States, is a method of classifying asphalt binders based directly on their real-world performance rather than empirical properties like penetration or viscosity alone. Instead of testing at fixed, arbitrary temperatures, the PG system evaluates binders under the actual <strong>temperature extremes and traffic conditions<\/strong> they&#8217;ll face in service \u2014 making it a fundamentally more scientific, engineering-based approach.<\/span><\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-f6627a0\" data-id=\"f6627a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-65db5ab elementor-widget elementor-widget-image\" data-id=\"65db5ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/spico.org\/wp-content\/uploads\/2026\/09\/Product-Performance-Grade-05.jpg\" class=\"attachment-large size-large wp-image-11922\" alt=\"Penetration grade \u0642\u06cc\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc\" srcset=\"https:\/\/spico.org\/wp-content\/uploads\/2026\/09\/Product-Performance-Grade-05.jpg 768w, https:\/\/spico.org\/wp-content\/uploads\/2026\/09\/Product-Performance-Grade-05-300x200.jpg 300w, https:\/\/spico.org\/wp-content\/uploads\/2026\/09\/Product-Performance-Grade-05-600x400.jpg 600w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" loading=\"lazy\" \/>\t\t\t\t\t\t\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-06bd437 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06bd437\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b7be866\" data-id=\"b7be866\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-451709ba elementor-widget elementor-widget-cz_title\" data-id=\"451709ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cz_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\r\n\t\t<div>\r\n\t\t\t<div class=\"cz_title clr cz_mobile_text_center cz_title_pos_inline\"><div class=\"cz_title_content\"><span class=\"cz_line_side_solo\">_<\/span><div class=\"cz_wpe_content\"><p><span style=\"font-size: 22px;\"><strong>How the <span style=\"color: #a06616;\">PG System<\/span> Works?<\/strong><\/span><\/p><\/div><\/div><\/div>\r\n\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd60c26 elementor-widget elementor-widget-text-editor\" data-id=\"cd60c26\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">Every PG binder is tested using the same battery of tests, but the <em>temperatures<\/em> at which those tests must be passed are tied to the specific climate and traffic conditions of the project location. This is the core innovation of PG grading: physical properties are measured and directly linked to expected field performance through engineering principles, rather than relying on indirect, empirical correlations like the old penetration or viscosity systems.<\/span><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ff1d246 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ff1d246\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9cc07f8\" data-id=\"9cc07f8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-738bc4c elementor-widget elementor-widget-cz_title\" data-id=\"738bc4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cz_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\r\n\t\t<div>\r\n\t\t\t<div class=\"cz_title clr cz_mobile_text_center cz_title_pos_inline\"><div class=\"cz_title_content\"><span class=\"cz_line_side_solo\">_<\/span><div class=\"cz_wpe_content\"><p><span style=\"font-size: 22px;\"><strong>Grade <span style=\"color: #a06616;\">Naming<\/span>: PG XX-YY<\/strong><\/span><\/p><\/div><\/div><\/div>\r\n\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a1b570 elementor-widget elementor-widget-text-editor\" data-id=\"5a1b570\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">A PG grade is written as two numbers, such as <strong>PG 64-22<\/strong>:<\/span><\/p><ul><li><span style=\"color: #000000;\">The <strong>first number<\/strong> (positive) is the <strong>high-temperature grade<\/strong> \u2014 the highest 7-day average pavement temperature the binder can resist without excessive rutting.<\/span><\/li><li><span style=\"color: #000000;\">The <strong>second number<\/strong> (negative) is the <strong>low-temperature grade<\/strong> \u2014 the lowest pavement temperature the binder can withstand without cracking.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-695d688 elementor-widget elementor-widget-html\" data-id=\"695d688\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"overflow-x:auto;font-family:'verdana'\">\n<table>\n    <thead>\n        <tr>\n            <th>High Temperature of Performance<\/th>\n            <th>Low Temperature of Performance<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>PG 46<\/td>\n            <td>-34, -40, -46<\/td>\n        <\/tr>\n        <tr>\n            <td>PG 52<\/td>\n            <td>-10, -16, -22, -28, -34, -40, -46<\/td>\n        <\/tr>\n        <tr>\n            <td>PG 58<\/td>\n            <td>-10, -16, -22, -28, -34, -40<\/td>\n        <\/tr>\n        <tr>\n            <td>PG 64<\/td>\n            <td>-10, -16, -22, -28, -34, -40<\/td>\n        <\/tr>\n        <tr>\n            <td>PG 70<\/td>\n            <td>-10, -16, -22, -28, -34, -40<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ae7314d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ae7314d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3a6df72\" data-id=\"3a6df72\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-95ef865 elementor-widget elementor-widget-cz_title\" data-id=\"95ef865\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cz_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\r\n\t\t<div>\r\n\t\t\t<div class=\"cz_title clr cz_mobile_text_center cz_title_pos_inline\"><div class=\"cz_title_content\"><span class=\"cz_line_side_solo\">_<\/span><div class=\"cz_wpe_content\"><p><span style=\"font-size: 22px;\"><strong>Why It's More Reliable Than Older Systems?<\/strong><\/span><\/p><\/div><\/div><\/div>\r\n\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90bd1a3 elementor-widget elementor-widget-text-editor\" data-id=\"90bd1a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">Penetration and viscosity grading are limited because they test consistency at only one or two fixed temperatures, which doesn&#8217;t capture how differently binders behave across the full range of conditions a pavement actually experiences. Two binders can show nearly identical penetration at 25\u00b0C yet perform very differently at high and low extremes \u2014 one might be graded PG 64-10 and the other PG 76-22, despite looking similar under older test methods.<\/span><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a079e04 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a079e04\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bdf9ddc\" data-id=\"bdf9ddc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7cf713c elementor-widget elementor-widget-cz_title\" data-id=\"7cf713c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cz_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\r\n\t\t<div>\r\n\t\t\t<div class=\"cz_title clr cz_mobile_text_center cz_title_pos_inline\"><div class=\"cz_title_content\"><span class=\"cz_line_side_solo\">_<\/span><div class=\"cz_wpe_content\"><p><span style=\"font-size: 22px;\"><strong>Traffic-Based <span style=\"color: #a06616;\">Adjustments<\/span><\/strong><\/span><\/p><\/div><\/div><\/div>\r\n\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f008a27 elementor-widget elementor-widget-text-editor\" data-id=\"f008a27\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">Beyond climate, the PG system also accounts for traffic loading. Under advancements like the <strong>Multiple Stress Creep Recovery (MSCR)<\/strong> test, PG grades can carry an additional letter suffix \u2014 S, H, V, or E \u2014 indicating standard, high, very high, or extremely high traffic loading, which further refines binder selection for high-stress locations like intersections or heavy freight corridors.<\/span><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-92737ea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"92737ea\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d412f19\" data-id=\"d412f19\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-903282f elementor-widget elementor-widget-cz_title\" data-id=\"903282f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cz_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\r\n\t\t<div>\r\n\t\t\t<div class=\"cz_title clr cz_mobile_text_center cz_title_pos_inline\"><div class=\"cz_title_content\"><span class=\"cz_line_side_solo\">_<\/span><div class=\"cz_wpe_content\"><p><span style=\"font-size: 22px; color: #a06616;\"><strong>Standards<\/strong><\/span><\/p><\/div><\/div><\/div>\r\n\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-520c5f9 elementor-widget elementor-widget-text-editor\" data-id=\"520c5f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">The PG system is governed primarily by:<\/span><\/p><ul><li><span style=\"color: #000000;\"><strong>AASHTO M320<\/strong> (Superpave PG binder specification)<\/span><\/li><li><span style=\"color: #000000;\"><strong>AASHTO M332<\/strong> (MSCR-based PG specification)<\/span><\/li><li><span style=\"color: #000000;\"><strong>SHRP<\/strong> (Strategic Highway Research Program) \u2014 the original research initiative that developed Superpave<\/span><\/li><\/ul>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-35d3609 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35d3609\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-16077fe\" data-id=\"16077fe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bae1001 elementor-widget elementor-widget-cz_title\" data-id=\"bae1001\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cz_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\r\n\t\t<div>\r\n\t\t\t<div class=\"cz_title clr cz_mobile_text_center cz_title_pos_inline\"><div class=\"cz_title_content\"><span class=\"cz_line_side_solo\">_<\/span><div class=\"cz_wpe_content\"><p><span style=\"font-size: 22px;\"><strong>PG <span style=\"color: #a06616;\">vs.<\/span> Penetration Grade <span style=\"color: #a06616;\">vs.<\/span> Viscosity Grade<\/strong><\/span><\/p><\/div><\/div><\/div>\r\n\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2482236 elementor-widget elementor-widget-text-editor\" data-id=\"2482236\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">\u00a0The table below highlights the key differences between Penetration Grade, Viscosity Grade, and Performance Grade bitumen.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a62bd3 elementor-widget elementor-widget-html\" data-id=\"4a62bd3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"overflow-x:auto;font-family:'verdana\">\n<table>\n    <thead>\n        <tr>\n            <th>System<\/th>\n            <th>Basis<\/th>\n            <th>Strength<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>Penetration Grade<\/td>\n            <td>Needle penetration at 25\u00b0C<\/td>\n            <td>Simple, widely used globally<\/td>\n        <\/tr>\n        <tr>\n            <td>Viscosity Grade (VG)<\/td>\n            <td>Viscosity at 60\u00b0C and 135\u00b0C<\/td>\n            <td>Better temperature-range insight<\/td>\n        <\/tr>\n        <tr>\n            <td>Performance Grade (PG)<\/td>\n            <td>Engineering properties tied directly to field climate\/traffic<\/td>\n            <td>Most accurate; performance-based, not empirical<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a12c13 elementor-widget elementor-widget-text-editor\" data-id=\"7a12c13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">PG grading is generally considered the most advanced classification system, since it directly links laboratory test results to predicted pavement performance \u2014 rather than relying on a rough empirical correlation, as penetration and viscosity grading do.<\/span><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Performance Grade (PG) bitumen, developed under the Superpave (Superior Performing Asphalt &#8230; <a class=\"cz_readmore cz_readmore_no_icon\" href=\"https:\/\/spico.org\/en\/products\/performance-grade-pg-bitumen\/\"><span>\u0627\u062f\u0627\u0645\u0647 \u0645\u0637\u0644\u0628<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":11922,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":[],"portfolio_cat":[],"portfolio_tags":[],"class_list":["post-11992","portfolio","type-portfolio","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/portfolio\/11992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/comments?post=11992"}],"version-history":[{"count":37,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/portfolio\/11992\/revisions"}],"predecessor-version":[{"id":13319,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/portfolio\/11992\/revisions\/13319"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/media\/11922"}],"wp:attachment":[{"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/media?parent=11992"}],"wp:term":[{"taxonomy":"portfolio_cat","embeddable":true,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/portfolio_cat?post=11992"},{"taxonomy":"portfolio_tags","embeddable":true,"href":"https:\/\/spico.org\/en\/wp-json\/wp\/v2\/portfolio_tags?post=11992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}