{"id":6332,"date":"2020-10-02T15:02:22","date_gmt":"2020-10-02T13:02:22","guid":{"rendered":"https:\/\/plastex.se\/material\/ps-polystyrene\/"},"modified":"2020-10-26T11:27:58","modified_gmt":"2020-10-26T10:27:58","slug":"ps-polystyrene","status":"publish","type":"material","link":"https:\/\/www.plastex.se\/en\/material\/ps-polystyrene\/","title":{"rendered":"PS, Polystyrene"},"content":{"rendered":"<p>Polystyrene is a clear, colourless, hard and rigid thermoplastic. Polystyrene softens at 100\u00baC and has a density of 1.05 g\/cubic centimetre. The benefits of polystyrene plastic include hardness and rigidity, low shape shrinkage, low water absorption, good insulating characteristics and a relatively low price. However, it is brittle and sensitive to UV light, has poor chemical durability and has a somewhat low softening temperature. PS also has a low resistance to oils and solvents.<\/p>\n<h3>Advantages:<\/h3>\n<ul>\n<li>Hard and rigid material<\/li>\n<li>Unlimited dyeing potential<\/li>\n<li>Available in various levels of quality<\/li>\n<li>Low water absorption<\/li>\n<li>Good electrical insulation characteristics<\/li>\n<li>Low formwork drying shrinkage<\/li>\n<li>Low price<\/li>\n<\/ul>\n<h3>Limitations:<\/h3>\n<ul>\n<li>Brittle<\/li>\n<li>Low softening temperature<\/li>\n<li>Tendency to form micro-stress fissures<\/li>\n<li>Low resistance to oils and solvents<\/li>\n<li>Yellows and becomes brittle outdoors (UV radiation)<\/li>\n<\/ul>\n<h3>Abbreviation:<\/h3>\n<p>PS<\/p>\n<h3>Colouring options:<\/h3>\n<p>Unlimited<\/p>\n<h3>Common applications:<\/h3>\n<p>Packaging, disposables (cups, spoons, etc.), household items, cellular plastic, etc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polystyrene is a clear, colourless, hard and rigid thermoplastic. Polystyrene softens at 100\u00baC and has a density of 1.05 g\/cubic centimetre. The benefits of polystyrene plastic include hardness and rigidity, low shape shrinkage, low water absorption, good insulating characteristics and a relatively low price. However, it is brittle and sensitive to UV light, has poor [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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":""}}},"class_list":["post-6332","material","type-material","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.plastex.se\/en\/wp-json\/wp\/v2\/material\/6332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plastex.se\/en\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/www.plastex.se\/en\/wp-json\/wp\/v2\/types\/material"}],"wp:attachment":[{"href":"https:\/\/www.plastex.se\/en\/wp-json\/wp\/v2\/media?parent=6332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}