{"id":3283,"date":"2025-07-22T11:01:06","date_gmt":"2025-07-22T09:01:06","guid":{"rendered":"https:\/\/3knewtech.com\/2025\/07\/22\/sa-kopolimer-stiren-akrilonitril-uporabe-prednosti-in-vodic-za-brizgalno-litje\/"},"modified":"2025-08-25T11:43:18","modified_gmt":"2025-08-25T09:43:18","slug":"sa-kopolimer-stiren-akrilonitril-uporabe-prednosti-in-vodic-za-brizgalno-litje","status":"publish","type":"post","link":"https:\/\/3knewtech.com\/sl\/2025\/07\/22\/sa-kopolimer-stiren-akrilonitril-uporabe-prednosti-in-vodic-za-brizgalno-litje\/","title":{"rendered":"SA (kopolimer stiren-akrilonitril): uporabe, prednosti in vodi\u010d za brizgalno litje"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading2726_10188f-c1, .wp-block-kadence-advancedheading.kt-adv-heading2726_10188f-c1[data-kb-block=\"kb-adv-heading2726_10188f-c1\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2726_10188f-c1 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2726_10188f-c1[data-kb-block=\"kb-adv-heading2726_10188f-c1\"] 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-heading2726_10188f-c1 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2726_10188f-c1\">SA oziroma kopolimer stiren-akrilonitril (SAN) je prozoren in\u017eenirski termoplast, ki ponuja izbolj\u0161ano kemi\u010dno odpornost in toplotno stabilnost v primerjavi s polistirenom. \u0160iroko se uporablja v aplikacijah, ki zahtevajo togost, preglednost in enostavno obdelavo.<\/p>\n\n<p><br\/>Kaj je SA?<br\/>SA je kopolimer stirena in akrilonitrila. Dodatek akrilonitrila izbolj\u0161a kemi\u010dno odpornost, odpornost proti vro\u010dini in mehanske lastnosti stirena, hkrati pa ohranja preglednost in enostavno obdelavo. SAN se pogosto uporablja kot samostojen material ali v zmesi z drugimi polimeri (npr. ABS, ASA) za izbolj\u0161anje zmogljivosti.<\/p>\n\n<p><br\/>Klju\u010dne uporabe SA<br\/>Potro\u0161ni\u0161ki izdelki<br\/>&#8211; Kuhinjski aparati (sklede za sokovnike, vr\u010di za me\u0161alnike)<br\/>&#8211; Kozmeti\u010dna embala\u017ea in pakiranje<br\/>&#8211; Prozorne posode za shranjevanje hrane<\/p>\n\n<p><br\/>Elektronika in aparati<br\/>&#8211; Ohi\u0161ja in pokrovi baterij<br\/>&#8211; Okvirji monitorjev in televizorjev<br\/>&#8211; Komponente elektri\u010dnih ventilatorjev in stikala<\/p>\n\n<p><br\/>Medicinska in laboratorijska oprema<br\/>&#8211; Prozorna ohi\u0161ja in cevi<br\/>&#8211; Diagnosti\u010dna in analiti\u010dna oprema<br\/>&#8211; Instrumentalne plo\u0161\u010de in razdelilniki<\/p>\n\n<p><br\/>Avtomobilska industrija<br\/>&#8211; Notranje obloge<br\/>&#8211; Prozorna pokrova in indikatorni deli<br\/>&#8211; Gumbi in zra\u010dni ventili<\/p>\n\n<p><br\/>Trgovine in razstavni eksponati<br\/>&#8211; Razstavne plo\u0161\u010de in pladnji<br\/>&#8211; Dr\u017eala za bro\u0161ure in ozna\u010devalni znaki<br\/>&#8211; Organizatorji za kozmetiko<\/p>\n\n<p><br\/>Prednosti SA<br\/>&#8211; Visoka preglednost in dobra prepustnost svetlobe<br\/>&#8211; Izbolj\u0161ana kemi\u010dna odpornost v primerjavi s polistirenom<br\/>&#8211; Ve\u010dja toplotna odpornost (\\~100\u202f\u00b0C)<br\/>&#8211; Tog in odporen proti praskam<br\/>&#8211; Dobra dimenzijska stabilnost in sijaj<br\/>&#8211; Enostavno barvanje in obdelava z brizgalnim litjem<\/p>\n\n<p><br\/>Smernice za brizgalno litje SA<\/p>\n\n<p><br\/>1. Zahteve glede su\u0161enja<br\/>SA absorbira nekaj vlage in ga je pred litjem treba posu\u0161iti za optimalno preglednost.<br\/>&#8211; Ciljna vla\u017enost: &lt;0,05\u202f%<br\/>&#8211; Temperatura su\u0161enja: 80\u202f\u00b0C<br\/>&#8211; \u010cas su\u0161enja: 2\u20134 ure<\/p>\n\n<p><br\/>2. Temperatura taline in orodja<br\/>&#8211; Temperatura taline: 200\u2013270\u202f\u00b0C (pri debelih delih uporabite ni\u017ejo temperaturo)<br\/>&#8211; Temperatura orodja: 40\u201380\u202f\u00b0C (pri oja\u010danih vrstah ne prese\u010di 60\u202f\u00b0C)<br\/>&#8211; Dosledna temperatura orodja izbolj\u0161a povr\u0161insko obdelavo in nadzor kr\u010denja<\/p>\n\n<p><br\/>3. Pritisk in hitrost brizganja<br\/>&#8211; Pritisk: 350\u20131300\u202fbar, odvisno od debeline stene<br\/>&#8211; Hitrost: srednja do visoka hitrost brizganja za zagotavljanje polnjenja in sijaja<\/p>\n\n<p><br\/>4. Zasnova kanalov in dovodov<br\/>&#8211; Primerni so vsi obi\u010dajni tipi dovodov<br\/>&#8211; Pri debelih delih se izogibajte majhnim dovodom, da zmanj\u0161ate koncentracijo napetosti<br\/>&#8211; Polirane povr\u0161ine orodja izbolj\u0161ajo preglednost in kakovost zaklju\u010dka<\/p>\n\n<p><br\/>Pogoste te\u017eave pri litju<br\/>&#8211; Sledi toka ali varilni \u0161ivi: uporabite ustrezno postavitev dovoda in hitrost<br\/>&#8211; Mehur\u010dki ali \u010drte: izbolj\u0161ajte su\u0161enje in zmanj\u0161ajte hitrost brizganja<br\/>&#8211; Kr\u010denje: obi\u010dajno kr\u010denje \\~0,3\u20130,7\u202f%, odvisno od temperature orodja in geometrije<br\/>&#8211; Ukrivljenost: uporabite enakomerno debelino stene in ustrezno prezra\u010devanje orodja<\/p>\n\n<p><br\/>Zaklju\u010dne misli<br\/>SA ponuja mo\u010dno kombinacijo preglednosti, toplotne stabilnosti in kemi\u010dne odpornosti za estetsko zahtevne komponente. Njegova enostavna obdelava in zmogljivost ga naredijo idealnega za prozorne potro\u0161ni\u0161ke izdelke, aparate in laboratorijsko opremo.<br\/>Potrebujete pomo\u010d pri izbiri najbolj\u0161e vrste SA ali optimizaciji za preglednost in \u017eilavost? Na\u0161a ekipa je tu, da vam zagotovi strokovna priporo\u010dila za va\u0161e orodje in potrebe obdelave.<br\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SA oziroma kopolimer stiren-akrilonitril (SAN) je prozoren in\u017eenirski termoplast, ki ponuja izbolj\u0161ano kemi\u010dno odpornost in toplotno&#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-3283","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\/3283","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=3283"}],"version-history":[{"count":1,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3283\/revisions"}],"predecessor-version":[{"id":3284,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3283\/revisions\/3284"}],"wp:attachment":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/media?parent=3283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/categories?post=3283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/tags?post=3283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}