{"id":3289,"date":"2025-07-22T10:57:47","date_gmt":"2025-07-22T08:57:47","guid":{"rendered":"https:\/\/3knewtech.com\/2025\/07\/22\/ps-polistiren-uporabe-prednosti-in-vodnik-za-brizgalno-litje\/"},"modified":"2025-08-25T12:50:48","modified_gmt":"2025-08-25T10:50:48","slug":"ps-polistiren-uporabe-prednosti-in-vodnik-za-brizgalno-litje","status":"publish","type":"post","link":"https:\/\/3knewtech.com\/sl\/2025\/07\/22\/ps-polistiren-uporabe-prednosti-in-vodnik-za-brizgalno-litje\/","title":{"rendered":"PS (Polistiren): uporabe, prednosti in vodnik za brizgalno litje"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading2722_fc701b-0d, .wp-block-kadence-advancedheading.kt-adv-heading2722_fc701b-0d[data-kb-block=\"kb-adv-heading2722_fc701b-0d\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2722_fc701b-0d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2722_fc701b-0d[data-kb-block=\"kb-adv-heading2722_fc701b-0d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<p class=\"kt-adv-heading2722_fc701b-0d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2722_fc701b-0d\">PS oziroma polistiren je \u0161iroko uporabljen termoplast, znan po svoji preglednosti, togosti in enostavni obdelavi. Obstaja v razli\u010dnih oblikah, kot so splo\u0161ni polistiren (GPPS), polistiren z visoko odpornostjo proti udarcem (HIPS) in ekspandirani polistiren (EPS), pri \u010demer vsaka ponuja posebne prednosti glede na aplikacijo.<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Kaj je PS?<br\/>Polistiren je amorfni termoplasti\u010dni polimer, pridobljen iz monomera stirena. GPPS je prozoren in krhek, medtem ko HIPS vsebuje gumijaste modifikatorje za bolj\u0161o odpornost proti udarcem. EPS je pena, pogosto uporabljena v embala\u017ei in izolaciji.<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Klju\u010dne uporabe PS<br\/>Polistiren se uporablja v potro\u0161ni\u0161kih izdelkih, prehrambeni industriji, embala\u017ei in elektroniki zaradi svoje nizke te\u017ee, oblikovalnosti in stro\u0161kovne u\u010dinkovitosti.<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Embala\u017ea in prehrambena industrija<br\/>&#8211; Enkratna posoda, kozarci in kro\u017eniki<br\/>&#8211; Posode za hrano in lupinaste embala\u017ee<br\/>&#8211; Za\u0161\u010ditna embala\u017ea in pladnji iz pene<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Potro\u0161ni\u0161ki izdelki<br\/>&#8211; Ovitek za CD\/DVD in razstavni izdelki<br\/>&#8211; Posode za kozmetiko<br\/>&#8211; Igra\u010de in gospodinjski izdelki<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Elektronika<br\/>&#8211; Ohi\u0161ja za televizorje in monitorje<br\/>&#8211; Avdio oprema in instrumentne plo\u0161\u010de<br\/>&#8211; Stikali in ohi\u0161ja<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Medicinska in laboratorijska uporaba<br\/>&#8211; Petrijeve posode in epruvete<br\/>&#8211; Diagnosti\u010dni pladnji in stojala za pipete<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Gradbeni\u0161tvo<br\/>&#8211; Izolacijske plo\u0161\u010de iz pene (EPS)<br\/>&#8211; Lahki polnilni materiali<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Prednosti PS<br\/>&#8211; Odli\u010dna preglednost in sijaj (GPPS)<br\/>&#8211; Dobra dimenzijska stabilnost in togost<br\/>&#8211; Nizka te\u017ea in nizki stro\u0161ki<br\/>&#8211; Enostavno oblikovanje in barvanje<br\/>&#8211; Primerno za tiskanje in vakuumsko oblikovanje<br\/>&#8211; Nizek dielektri\u010dni konstant (primerno za elektroniko)<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Smernice za brizgalno litje PS<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>1. Zahteve glede su\u0161enja<br\/>PS je obi\u010dajno nehigroskopen in ne zahteva su\u0161enja v normalnih pogojih.<br\/>&#8211; Su\u0161enje samo, \u010de je shranjen v vla\u017enih pogojih: 80\u202f\u00b0C za 2\u20133 ure<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>2. Temperatura taline in kalupa<br\/>&#8211; Temperatura taline: 180\u2013280\u202f\u00b0C (omejite na 250\u202f\u00b0C za ognjevarne vrste)<br\/>&#8211; Temperatura kalupa: 40\u201350\u202f\u00b0C za standardne dele<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>3. Tlak in hitrost brizganja<br\/>&#8211; Tlak: 200\u2013600\u202fbar (ni\u017eji kot pri ve\u010dini in\u017eenirskih plastik)<br\/>&#8211; Hitrost: Priporo\u010deno hitro brizganje za zagotovitev dobrega polnjenja in kakovosti povr\u0161ine<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>4. Oblikovanje kanalov in vhodov<br\/>&#8211; Uporabite \u0161iroke vhode za bolj\u0161e polnjenje in zmanj\u0161anje napetosti<br\/>&#8211; Tipi\u010den premer vhoda: 1,0\u20131,5 mm<br\/>&#8211; Topli kanali so mo\u017eni, vendar zahtevajo natan\u010den nadzor temperature<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Pogoste te\u017eave pri litju<br\/>&#8211; Krhkost: Uporabite HIPS za bolj\u0161o odpornost proti udarcem<br\/>&#8211; Praznine ali mehur\u010dki: Lahko nastanejo zaradi hitrega brizganja ali ujetega zraka<br\/>&#8211; Sledi pretoka: Optimizirajte velikost vhoda in hitrost brizganja<br\/>&#8211; Upogibanje: Uporabite enakomerno debelino stene in nadzor temperature kalupa<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Zaklju\u010dne misli<br\/>Polistiren je osnovni material v proizvodnji za izdelke z nizko obremenitvijo in visoko koli\u010dino, kjer so klju\u010dni videz, cena in enostavna obdelava. Ob pravilnem ravnanju zagotavlja zanesljive rezultate pri vsem, od ohi\u0161ij za elektroniko do vsakodnevnih izdelkov za enkratno uporabo.<br\/>\u010ce delate s PS in potrebujete pomo\u010d pri optimizaciji parametrov brizganja ali izbiri med GPPS, HIPS ali EPS, vam lahko na\u0161a ekipa za materiale nudi strokovno podporo.<br\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PS oziroma polistiren je \u0161iroko uporabljen termoplast, znan po svoji preglednosti, togosti in enostavni obdelavi. Obstaja&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[36,31],"tags":[],"class_list":["post-3289","post","type-post","status-publish","format-standard","hentry","category-materiali","category-tezave-pri-brizganju"],"taxonomy_info":{"category":[{"value":36,"label":"Materiali"},{"value":31,"label":"Te\u017eave pri brizganju"}]},"featured_image_src_large":false,"author_info":{"display_name":"wpm","author_link":"https:\/\/3knewtech.com\/sl\/author\/wpm\/"},"comment_info":0,"category_info":[{"term_id":36,"name":"Materiali","slug":"materiali","term_group":0,"term_taxonomy_id":36,"taxonomy":"category","description":"","parent":0,"count":17,"filter":"raw","cat_ID":36,"category_count":17,"category_description":"","cat_name":"Materiali","category_nicename":"materiali","category_parent":0},{"term_id":31,"name":"Te\u017eave pri brizganju","slug":"tezave-pri-brizganju","term_group":0,"term_taxonomy_id":31,"taxonomy":"category","description":"","parent":0,"count":5,"filter":"raw","cat_ID":31,"category_count":5,"category_description":"","cat_name":"Te\u017eave pri brizganju","category_nicename":"tezave-pri-brizganju","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/comments?post=3289"}],"version-history":[{"count":1,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3289\/revisions"}],"predecessor-version":[{"id":3290,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3289\/revisions\/3290"}],"wp:attachment":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/media?parent=3289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/categories?post=3289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/tags?post=3289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}