{"id":3311,"date":"2025-07-22T09:59:29","date_gmt":"2025-07-22T07:59:29","guid":{"rendered":"https:\/\/3knewtech.com\/2025\/07\/22\/pe-ld-polietilen-z-nizko-gostoto-uporabe-prednosti-in-smernice-za-brizgalno-litje\/"},"modified":"2025-08-25T14:07:12","modified_gmt":"2025-08-25T12:07:12","slug":"pe-ld-polietilen-z-nizko-gostoto-uporabe-prednosti-in-smernice-za-brizgalno-litje","status":"publish","type":"post","link":"https:\/\/3knewtech.com\/sl\/2025\/07\/22\/pe-ld-polietilen-z-nizko-gostoto-uporabe-prednosti-in-smernice-za-brizgalno-litje\/","title":{"rendered":"PE-LD (Polietilen z nizko gostoto): uporabe, prednosti in smernice za brizgalno litje"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading2712_672f0d-1e, .wp-block-kadence-advancedheading.kt-adv-heading2712_672f0d-1e[data-kb-block=\"kb-adv-heading2712_672f0d-1e\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2712_672f0d-1e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2712_672f0d-1e[data-kb-block=\"kb-adv-heading2712_672f0d-1e\"] 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-heading2712_672f0d-1e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2712_672f0d-1e\">PE-LD, ali polietilen z nizko gostoto, je fleksibilen in lahek termoplast, znan po svoji trpe\u017enosti, kemi\u010dni odpornosti in enostavnosti obdelave. \u0160iroko se uporablja v embala\u017ei, potro\u0161ni\u0161kih izdelkih, medicinskih izdelkih in elektri\u010dni izolaciji.<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Kaj je PE-LD?<br\/>PE-LD nastane z visokotla\u010dno polimerizacijo etilena, kar daje polimerju obse\u017eno razvejanje. To mu zagotavlja ni\u017ejo gostoto, mehkej\u0161o teksturo in ve\u010djo fleksibilnost v primerjavi s PE-HD. Njegova nizka kristalini\u010dnost in nizka tali\u0161\u010dna temperatura (pribli\u017eno 110\u202f\u00b0C) ga naredijo idealnega za brizganje in ekstruzijske postopke.<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Klju\u010dne uporabe PE-LD<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Embala\u017ea<br\/>&#8211; Plasti\u010dne vre\u010dke in skr\u010dljive folije<br\/>&#8211; Posode za hrano in zama\u0161ki steklenic<br\/>&#8211; Stisljive steklenice in vlo\u017eki<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Medicinska in zdravstvena industrija<br\/>&#8211; Cevi in enkratni pokrovi<br\/>&#8211; Sterilna embala\u017ea<br\/>&#8211; Laboratorijske vre\u010dke in pladnji<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Potro\u0161ni\u0161ki izdelki<br\/>&#8211; Prilagodljivi pokrovi in posode<br\/>&#8211; Igra\u010de in mehki gospodinjski predmeti<br\/>&#8211; Kuhinjski pripomo\u010dki in vrtne cevi<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Electrical &amp; Cable<br\/>&#8211; Izolacija \u017eic in kablov<br\/>&#8211; Ohi\u0161ja fleksibilnih cevi<br\/>&#8211; Za\u0161\u010ditni rokavi<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Industrijski<br\/>&#8211; Obloge in filmski premazi<br\/>&#8211; Obloge za posode za kemi\u010dne snovi<br\/>&#8211; Za\u0161\u010ditni sloji v gradbeni\u0161tvu<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Prednosti PE-LD<br\/>&#8211; Odli\u010dna fleksibilnost in trdnost<br\/>&#8211; Visoka odpornost proti udarcem tudi pri nizkih temperaturah<br\/>&#8211; Odli\u010dna odpornost proti kemikalijam in vlagi<br\/>&#8211; Enostavno oblikovanje in varjenje<br\/>&#8211; Dobre elektri\u010dne izolacijske lastnosti<br\/>&#8211; Nizki stro\u0161ki in \u0161iroka mo\u017enost recikliranja<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Smernice za brizganje PE-LD<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>1. Zahteve po su\u0161enju<br\/>PE-LD ni higroskopi\u010den in obi\u010dajno ne potrebuje su\u0161enja.<br\/>&#8211; Su\u0161enje: Na splo\u0161no ni potrebno, razen \u010de je izpostavljen vlagi<br\/>&#8211; Izbirno su\u0161enje: 60\u201370\u202f\u00b0C za 1\u20132 uri, \u010de je potrebno<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>2. Temperatura taline in kalupa<br\/>&#8211; Temperatura taline: 180\u2013280\u202f\u00b0C<br\/>&#8211; Temperatura kalupa: 20\u201340\u202f\u00b0C<br\/>&#8211; Uporabite ustrezne hladilne kanale za zagotovitev enakomernega kr\u010denja in stabilnosti<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>3. Tlak in hitrost brizganja<br\/>&#8211; Tlak: do 1500\u202fbar<br\/>&#8211; Tlak zadr\u017eevanja: do 750\u202fbar<br\/>&#8211; Hitrost: priporo\u010deno visoko hitro brizganje za bolj\u0161e polnjenje in povr\u0161insko obdelavo<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>4. Oblikovanje kanalov in vstopnih odprtin<br\/>&#8211; Zdru\u017eljivo z vsemi standardnimi vstopnimi odprtinami: podmorska, ventilatorska, robna<br\/>&#8211; Dol\u017eina vstopne odprtine: \u22640,75\u202fmm za zmanj\u0161anje stri\u017enega napora<br\/>&#8211; Sistemi z vro\u010dimi kanali so dobro primerni za PE-LD, \u010de so ustrezno uravnote\u017eeni<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Pogoste te\u017eave pri oblikovanju<br\/>&#8211; Upogibanje: Uporabite enakomerno debelino sten in temperaturo kalupa<br\/>&#8211; Nastanek vlaken: Nadzorujte temperaturo taline in izbolj\u0161ajte hlajenje kalupa<br\/>&#8211; Brizganje odve\u010dne mase: Prilagodite silo stiskanja in obliko vstopne odprtine<br\/>&#8211; Okoljsko stresno razpokanje: Izberite primerne vrste materiala in pogoje obdelave<\/p>\n\n<p class=\"wp-block-paragraph\"><br\/>Zaklju\u010dne misli<br\/>PE-LD je material prve izbire za fleksibilne, trpe\u017ene in nizkocenovne izdelke iz brizganih mas. Odlikuje se pri mno\u017ei\u010dni proizvodnji potro\u0161ni\u0161kih embala\u017e, medicinskih pripomo\u010dkov za enkratno uporabo in izolacije kablov. Zaradi enostavne obdelave in dobre mehanske uravnote\u017eenosti je PE-LD zanesljiv material v \u0161tevilnih industrijah.<br\/>Potrebujete nasvet glede me\u0161anic PE-LD ali vrst skladnih z FDA? Na\u0161i strokovnjaki so pripravljeni podpreti razvoj va\u0161ega izdelka in optimizacijo brizganja.<br\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PE-LD, ali polietilen z nizko gostoto, je fleksibilen in lahek termoplast, znan po svoji trpe\u017enosti, kemi\u010dni&#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],"tags":[],"class_list":["post-3311","post","type-post","status-publish","format-standard","hentry","category-materiali"],"taxonomy_info":{"category":[{"value":36,"label":"Materiali"}]},"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}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3311","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=3311"}],"version-history":[{"count":1,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3311\/revisions"}],"predecessor-version":[{"id":3312,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/posts\/3311\/revisions\/3312"}],"wp:attachment":[{"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/media?parent=3311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/categories?post=3311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3knewtech.com\/sl\/wp-json\/wp\/v2\/tags?post=3311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}