{"id":24197,"date":"2026-09-23T11:31:37","date_gmt":"2026-09-23T08:31:37","guid":{"rendered":"https:\/\/plastena.lt\/?p=24197"},"modified":"2026-09-23T11:34:24","modified_gmt":"2026-09-23T08:34:24","slug":"skaidrus-plastikai-pmma-petg-peta-pc-ps","status":"publish","type":"post","link":"https:\/\/plastena.lt\/lt\/skaidrus-plastikai-pmma-petg-peta-pc-ps\/","title":{"rendered":"Kok\u012f skaidr\u0173 plastik\u0105 pasirinkti? PMMA, PET-G, PET-A, PC ar PS"},"content":{"rendered":"<p data-start=\"1026\" data-end=\"1371\">\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1026\" data-end=\"1371\"><strong data-start=\"1026\" data-end=\"1048\">Skaidr\u016bs plastikai<\/strong> naudojami ten, kur reikalingas \u0161viesos pralaidumas, nedidelis svoris, atsparumas aplinkos poveikiui arba galimyb\u0117 med\u017eiag\u0105 lengvai apdirbti ir formuoti. Jie naudojami reklamos gamyboje, apsauginiuose gaubtuose, pertvarose, \u012frengini\u0173 apsaugose, ekspozicijose, stiklinimo sprendimuose, \u0161viestuvuose ir daugelyje kit\u0173 sri\u010di\u0173.<\/p>\n<p data-start=\"1373\" data-end=\"1574\">Ta\u010diau skaidrus plastikas n\u0117ra viena konkreti med\u017eiaga. <strong data-start=\"1429\" data-end=\"1461\">PMMA, PET-G, PET-A, PC ir PS<\/strong> i\u0161 pirmo \u017evilgsnio gali atrodyti pana\u0161iai, ta\u010diau j\u0173 mechanin\u0117s, optin\u0117s, termin\u0117s ir chemin\u0117s savyb\u0117s skiriasi.<\/p>\n<p data-start=\"1576\" data-end=\"1823\">Pavyzd\u017eiui, \u201ePlastena\u201c techniniuose duomenyse skaidri\u0173 \u0161i\u0173 med\u017eiag\u0173 versij\u0173 \u0161viesos pralaidumas nurodomas ma\u017edaug <strong data-start=\"1690\" data-end=\"1701\">87\u201391 %<\/strong>, ta\u010diau j\u0173 atsparumas sm\u016bgiams ir auk\u0161tai temperat\u016brai gali skirtis labai \u017eenkliai.<\/p>\n<p data-start=\"1825\" data-end=\"2066\">Tod\u0117l renkantis svarbu klausti ne tik <strong data-start=\"1863\" data-end=\"1899\">\u201ekuris plastikas skaidriausias?\u201c<\/strong>, bet ir \u012fvertinti, kur gaminys bus naudojamas, kokias apkrovas patirs, ar bus formuojamas, kokia bus darbo temperat\u016bra ir ar tur\u0117s kontakt\u0105 su chemin\u0117mis med\u017eiagomis.<\/p>\n<hr \/>\n<h2 data-start=\"2068\" data-end=\"2111\">Pagrindiniai skaidri\u0173 plastik\u0173 skirtumai<\/h2>\n<p data-start=\"2113\" data-end=\"2197\">Kad pasirinkti b\u016bt\u0173 papras\u010diau, pirmiausia palyginkime pagrindines med\u017eiag\u0173 savybes.<\/p>\n<div class=\"group TyagGW_tableContainer\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 63.4511%;\" data-start=\"2199\" data-end=\"2731\">\n<thead data-start=\"2199\" data-end=\"2242\">\n<tr data-start=\"2199\" data-end=\"2242\">\n<th class=\"last:pe-10\" style=\"width: 38.4932%;\" data-start=\"2199\" data-end=\"2208\" data-col-size=\"sm\">Savyb\u0117<\/th>\n<th class=\"last:pe-10\" style=\"width: 10.6849%;\" data-start=\"2208\" data-end=\"2215\" data-col-size=\"sm\">PMMA<\/th>\n<th class=\"last:pe-10\" style=\"width: 9.86301%;\" data-start=\"2215\" data-end=\"2223\" data-col-size=\"sm\">PET-G<\/th>\n<th class=\"last:pe-10\" style=\"width: 9.86301%;\" data-start=\"2223\" data-end=\"2231\" data-col-size=\"sm\">PET-A<\/th>\n<th class=\"last:pe-10\" style=\"width: 18.0822%;\" data-start=\"2231\" data-end=\"2236\" data-col-size=\"sm\">PC<\/th>\n<th class=\"last:pe-10\" style=\"width: 126.849%;\" data-start=\"2236\" data-end=\"2242\" data-col-size=\"sm\">PS<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2269\" data-end=\"2731\">\n<tr data-start=\"2269\" data-end=\"2331\">\n<td style=\"width: 38.4932%;\" data-start=\"2269\" data-end=\"2292\" data-col-size=\"sm\">\u0160viesos pralaidumas*<\/td>\n<td style=\"width: 10.6849%;\" data-col-size=\"sm\" data-start=\"2292\" data-end=\"2299\">91 %<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2299\" data-end=\"2306\">88 %<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2306\" data-end=\"2313\">89 %<\/td>\n<td style=\"width: 18.0822%;\" data-col-size=\"sm\" data-start=\"2313\" data-end=\"2323\">87\u201390 %<\/td>\n<td style=\"width: 126.849%;\" data-col-size=\"sm\" data-start=\"2323\" data-end=\"2331\">89 %<\/td>\n<\/tr>\n<tr data-start=\"2332\" data-end=\"2409\">\n<td style=\"width: 38.4932%;\" data-start=\"2332\" data-end=\"2367\" data-col-size=\"sm\">Maks. eksploatacijos temperat\u016bra<\/td>\n<td style=\"width: 10.6849%;\" data-col-size=\"sm\" data-start=\"2367\" data-end=\"2375\">85 \u00b0C<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2375\" data-end=\"2383\">60 \u00b0C<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2383\" data-end=\"2391\">60 \u00b0C<\/td>\n<td style=\"width: 18.0822%;\" data-col-size=\"sm\" data-start=\"2391\" data-end=\"2400\">120 \u00b0C<\/td>\n<td style=\"width: 126.849%;\" data-col-size=\"sm\" data-start=\"2400\" data-end=\"2409\">80 \u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2410\" data-end=\"2492\">\n<td style=\"width: 38.4932%;\" data-start=\"2410\" data-end=\"2443\" data-col-size=\"sm\">Tempiamasis stipris iki l\u016b\u017eimo<\/td>\n<td style=\"width: 10.6849%;\" data-col-size=\"sm\" data-start=\"2443\" data-end=\"2452\">76 MPa<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2452\" data-end=\"2461\">45 MPa<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2461\" data-end=\"2473\">nel\u016b\u017eta**<\/td>\n<td style=\"width: 18.0822%;\" data-col-size=\"sm\" data-start=\"2473\" data-end=\"2482\">70 MPa<\/td>\n<td style=\"width: 126.849%;\" data-col-size=\"sm\" data-start=\"2482\" data-end=\"2492\">48 MPa<\/td>\n<\/tr>\n<tr data-start=\"2493\" data-end=\"2562\">\n<td style=\"width: 38.4932%;\" data-start=\"2493\" data-end=\"2520\" data-col-size=\"sm\">Pailg\u0117jimas tr\u016bkimo metu<\/td>\n<td style=\"width: 10.6849%;\" data-col-size=\"sm\" data-start=\"2520\" data-end=\"2528\">5,5 %<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2528\" data-end=\"2535\">40 %<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2535\" data-end=\"2547\">nel\u016b\u017eta**<\/td>\n<td style=\"width: 18.0822%;\" data-col-size=\"sm\" data-start=\"2547\" data-end=\"2555\">110 %<\/td>\n<td style=\"width: 126.849%;\" data-col-size=\"sm\" data-start=\"2555\" data-end=\"2562\">3 %<\/td>\n<\/tr>\n<tr data-start=\"2563\" data-end=\"2632\">\n<td style=\"width: 38.4932%;\" data-start=\"2563\" data-end=\"2585\" data-col-size=\"sm\">Lenkiamasis stipris<\/td>\n<td style=\"width: 10.6849%;\" data-col-size=\"sm\" data-start=\"2585\" data-end=\"2595\">140 MPa<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2595\" data-end=\"2604\">79 MPa<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2604\" data-end=\"2613\">86 MPa<\/td>\n<td style=\"width: 18.0822%;\" data-col-size=\"sm\" data-start=\"2613\" data-end=\"2622\">96 MPa<\/td>\n<td style=\"width: 126.849%;\" data-col-size=\"sm\" data-start=\"2622\" data-end=\"2632\">90 MPa<\/td>\n<\/tr>\n<tr data-start=\"2633\" data-end=\"2731\">\n<td style=\"width: 38.4932%;\" data-start=\"2633\" data-end=\"2672\" data-col-size=\"sm\">Charpy sm\u016bginis atsparumas su \u012fpjova<\/td>\n<td style=\"width: 10.6849%;\" data-col-size=\"sm\" data-start=\"2672\" data-end=\"2684\">2,0 kJ\/m\u00b2<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2684\" data-end=\"2695\">10 kJ\/m\u00b2<\/td>\n<td style=\"width: 9.86301%;\" data-col-size=\"sm\" data-start=\"2695\" data-end=\"2699\">\u2013<\/td>\n<td style=\"width: 18.0822%;\" data-col-size=\"sm\" data-start=\"2699\" data-end=\"2717\">88 kJ\/m\u00b2 (3 mm)<\/td>\n<td style=\"width: 126.849%;\" data-col-size=\"sm\" data-start=\"2717\" data-end=\"2731\">1,47 kJ\/m\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"2733\" data-end=\"2841\">* Kataloge nurodyti skaidri\u0173 med\u017eiag\u0173 optiniai duomenys.<br data-start=\"2790\" data-end=\"2793\" \/>** Pagal kataloge pateiktus bandymo rezultatus.<\/p>\n<p data-start=\"2843\" data-end=\"2948\">Duomenys paimti i\u0161 \u201ePlastena\u201c pateiktos technini\u0173 savybi\u0173 lentel\u0117s.<\/p>\n<p data-start=\"2950\" data-end=\"3222\">Lentel\u0117 i\u0161 karto parodo svarb\u0173 dalyk\u0105: <strong data-start=\"2989\" data-end=\"3091\">vien did\u017eiausias \u0161viesos pralaidumas nerei\u0161kia, kad med\u017eiaga bus tinkamiausia konkre\u010diam gaminiui.<\/strong> Pavyzd\u017eiui, PMMA pasi\u017eymi labai geromis optin\u0117mis savyb\u0117mis, ta\u010diau PC techniniai duomenys rodo gerokai didesn\u012f sm\u016bgin\u012f atsparum\u0105.<\/p>\n<hr \/>\n<h2 data-start=\"3224\" data-end=\"3277\">PMMA \u2013 kai svarbiausia skaidrumas ir optin\u0117 kokyb\u0117<\/h2>\n<p data-start=\"3279\" data-end=\"3410\"><strong data-start=\"3279\" data-end=\"3311\">PMMA (polimetilmetakrilatas)<\/strong>, pla\u010diai \u017einomas kaip organinis stiklas arba akrilas, yra vienas populiariausi\u0173 skaidri\u0173 plastik\u0173.<\/p>\n<p data-start=\"3412\" data-end=\"3638\">Pagal \u201ePlastena\u201c katalogo technini\u0173 savybi\u0173 lentel\u0119 PMMA \u0161viesos pralaidumas siekia apie <strong data-start=\"3501\" data-end=\"3509\">91 %<\/strong>. Med\u017eiaga taip pat pasi\u017eymi geru atsparumu atmosferos poveikiui ir yra lengvai formuojama.<\/p>\n<p data-start=\"3640\" data-end=\"3725\">D\u0117l \u0161i\u0173 savybi\u0173 PMMA ypa\u010d tinka gaminiams, kuriuose svarbi i\u0161vaizda ir optin\u0117 kokyb\u0117.<\/p>\n<p data-start=\"3727\" data-end=\"3783\">\u201ePlastena\u201c kataloge nurodomos tokios panaudojimo sritys:<\/p>\n<ul data-start=\"3785\" data-end=\"4007\">\n<li data-start=\"3785\" data-end=\"3808\">reklaminiai gaminiai;<\/li>\n<li data-start=\"3809\" data-end=\"3819\">\u017eenklai;<\/li>\n<li data-start=\"3820\" data-end=\"3842\">ap\u0161vietimo gaminiai;<\/li>\n<li data-start=\"3843\" data-end=\"3865\">reklaminiai stendai;<\/li>\n<li data-start=\"3866\" data-end=\"3878\">pertvaros;<\/li>\n<li data-start=\"3879\" data-end=\"3891\">stogeliai;<\/li>\n<li data-start=\"3892\" data-end=\"3902\">kupolai;<\/li>\n<li data-start=\"3903\" data-end=\"4007\">optiniai elementai, pavyzd\u017eiui, kai kurie l\u0119\u0161iai ar veidrod\u017eiai.<\/li>\n<\/ul>\n<p data-start=\"4009\" data-end=\"4178\"><strong data-start=\"4009\" data-end=\"4031\">PMMA verta rinktis<\/strong>, kai prioritetas yra auk\u0161tas skaidrumas, esteti\u0161kas pavir\u0161ius ir geros optin\u0117s savyb\u0117s, o gaminiui nereikalingas itin didelis sm\u016bginis atsparumas.<\/p>\n<hr \/>\n<h2 data-start=\"4180\" data-end=\"4235\">PET-G \u2013 kai svarbus atsparumas ir lengvas apdirbimas<\/h2>\n<p data-start=\"4237\" data-end=\"4333\"><strong data-start=\"4237\" data-end=\"4246\">PET-G<\/strong> i\u0161siskiria skaidrumo, plasti\u0161kumo, atsparumo sm\u016bgiams ir chemin\u0117ms med\u017eiagoms deriniu.<\/p>\n<p data-start=\"4335\" data-end=\"4544\">Didelis jo privalumas \u2013 apdirbimo galimyb\u0117s. \u201ePlastena\u201c kataloge nurodoma, kad PET-G galima <strong data-start=\"4427\" data-end=\"4505\">lenkti \u0161altuoju b\u016bdu iki 2 mm storio bei pjauti, \u012fskaitant pjovim\u0105 lazeriu<\/strong>.<\/p>\n<p data-start=\"4546\" data-end=\"4657\">Tod\u0117l PET-G gali b\u016bti patogus pasirinkimas, kai i\u0161 skaidraus lak\u0161to reikia gaminti sud\u0117tingesn\u0117s formos gamin\u012f.<\/p>\n<p data-start=\"4659\" data-end=\"4708\">Kataloge tarp galim\u0173 panaudojimo sri\u010di\u0173 nurodomi:<\/p>\n<ul data-start=\"4710\" data-end=\"4881\">\n<li data-start=\"4710\" data-end=\"4732\">reklaminiai stendai;<\/li>\n<li data-start=\"4733\" data-end=\"4742\">formos;<\/li>\n<li data-start=\"4743\" data-end=\"4753\">\u017eenklai;<\/li>\n<li data-start=\"4754\" data-end=\"4778\">ortopediniai gaminiai;<\/li>\n<li data-start=\"4779\" data-end=\"4789\">\u017eaislai;<\/li>\n<li data-start=\"4790\" data-end=\"4812\">dozavimo \u012frenginiai;<\/li>\n<li data-start=\"4813\" data-end=\"4833\">apsaugin\u0117s kauk\u0117s;<\/li>\n<li data-start=\"4834\" data-end=\"4881\">talpos.<\/li>\n<\/ul>\n<p data-start=\"4883\" data-end=\"5003\">Jo \u0161viesos pralaidumas nurodomas apie <strong data-start=\"4921\" data-end=\"4929\">88 %<\/strong>, o pailg\u0117jimas tr\u016bkimo metu \u2013 40 %.<\/p>\n<p data-start=\"5005\" data-end=\"5116\"><strong data-start=\"5005\" data-end=\"5030\">PET-G verta svarstyti<\/strong>, kai reikalinga skaidri med\u017eiaga, kuri\u0105 bus svarbu pjauti, lenkti ar kitaip formuoti.<\/p>\n<hr \/>\n<h2 data-start=\"5118\" data-end=\"5163\">PET-A \u2013 skaidrus plastikas termoformavimui<\/h2>\n<p data-start=\"5165\" data-end=\"5249\"><strong data-start=\"5165\" data-end=\"5174\">PET-A<\/strong> pasi\u017eymi geru cheminiu atsparumu ir yra tinkamas termoformavimo procesams.<\/p>\n<p data-start=\"5251\" data-end=\"5523\">\u201ePlastena\u201c kataloge pabr\u0117\u017eiama, kad PET-A lak\u0161t\u0173 prie\u0161 termoformavim\u0105 nereikia i\u0161 anksto d\u017eiovinti, tod\u0117l galima sutaupyti laiko ir energijos. Taip pat nurodoma, kad med\u017eiaga pasi\u017eymi gera degumo klasifikacija ir yra savaime g\u0119stanti.<\/p>\n<p data-start=\"5525\" data-end=\"5556\">PET-A panaudojimo sritys apima:<\/p>\n<ul data-start=\"5558\" data-end=\"5714\">\n<li data-start=\"5558\" data-end=\"5568\">kupolus;<\/li>\n<li data-start=\"5569\" data-end=\"5586\">pastat\u0173 stogus;<\/li>\n<li data-start=\"5587\" data-end=\"5600\">\u0161iltnamius;<\/li>\n<li data-start=\"5601\" data-end=\"5614\">stiklinim\u0105;<\/li>\n<li data-start=\"5615\" data-end=\"5625\">\u017eenklus;<\/li>\n<li data-start=\"5626\" data-end=\"5641\">ekspozicijas;<\/li>\n<li data-start=\"5642\" data-end=\"5653\">pad\u0117klus;<\/li>\n<li data-start=\"5654\" data-end=\"5714\">dozavimo \u012frenginius.<\/li>\n<\/ul>\n<p data-start=\"5716\" data-end=\"5854\">Kataloge taip pat nurodoma, kad PET-A lak\u0161tai gali b\u016bti naudojami <strong data-start=\"5782\" data-end=\"5815\">s\u0105ly\u010diui su maisto produktais<\/strong>.<\/p>\n<p data-start=\"5856\" data-end=\"6007\">Tod\u0117l <strong data-start=\"5862\" data-end=\"5887\">PET-A verta svarstyti<\/strong>, kai svarbus termoformavimas, cheminis atsparumas arba reikalinga skaidri med\u017eiaga konkretiems formuojamiems gaminiams.<\/p>\n<hr \/>\n<h2 data-start=\"6009\" data-end=\"6068\">PC \u2013 kai svarbiausia atsparumas sm\u016bgiams ir temperat\u016brai<\/h2>\n<p data-start=\"6070\" data-end=\"6200\"><strong data-start=\"6070\" data-end=\"6093\">PC (polikarbonatas)<\/strong> i\u0161 vis\u0173 \u0161iame straipsnyje lyginam\u0173 skaidri\u0173 plastik\u0173 ypa\u010d i\u0161siskiria mechanin\u0117mis ir termin\u0117mis savyb\u0117mis.<\/p>\n<p data-start=\"6202\" data-end=\"6525\">\u201ePlastena\u201c kataloge nurodomas PC Charpy sm\u016bginis atsparumas su \u012fpjova yra <strong data-start=\"6276\" data-end=\"6312\">88 kJ\/m\u00b2, kai lak\u0161to storis 3 mm<\/strong>, o maksimalios eksploatacijos temperat\u016bros reik\u0161m\u0117 \u2013 <strong data-start=\"6366\" data-end=\"6376\">120 \u00b0C<\/strong>. Palyginimui, PMMA kataloge nurodyta maksimali eksploatacijos temperat\u016bra yra 85 \u00b0C, PET-G ir PET-A \u2013 60 \u00b0C.<\/p>\n<p data-start=\"6527\" data-end=\"6606\">D\u0117l to PC kataloge rekomenduojamas \u017emoni\u0173 ir \u012frengini\u0173 apsauginiams elementams.<\/p>\n<p data-start=\"6608\" data-end=\"6640\">Tarp naudojimo sri\u010di\u0173 nurodomos:<\/p>\n<ul data-start=\"6642\" data-end=\"6848\">\n<li data-start=\"6642\" data-end=\"6660\">\u017emoni\u0173 apsaugos;<\/li>\n<li data-start=\"6661\" data-end=\"6679\">ma\u0161in\u0173 apsaugos;<\/li>\n<li data-start=\"6680\" data-end=\"6689\">sienos;<\/li>\n<li data-start=\"6690\" data-end=\"6699\">stogai;<\/li>\n<li data-start=\"6700\" data-end=\"6714\">stiklinimas;<\/li>\n<li data-start=\"6715\" data-end=\"6725\">\u017eenklai;<\/li>\n<li data-start=\"6726\" data-end=\"6739\">\u012frenginiai;<\/li>\n<li data-start=\"6740\" data-end=\"6760\">dozavimo sistemos;<\/li>\n<li data-start=\"6761\" data-end=\"6776\">ekspozicijos;<\/li>\n<li data-start=\"6777\" data-end=\"6848\">prekybos viet\u0173 (POS) stendai.<\/li>\n<\/ul>\n<p data-start=\"6850\" data-end=\"6953\">Kataloge taip pat nurodoma, kad PC lak\u0161tai turi <strong data-start=\"6898\" data-end=\"6912\">UV apsaug\u0105<\/strong>.<\/p>\n<p data-start=\"6955\" data-end=\"7077\"><strong data-start=\"6955\" data-end=\"6975\">PC verta rinktis<\/strong>, kai skaidrum\u0105 reikia suderinti su labai dideliu sm\u016bginiu atsparumu arba auk\u0161tesne darbo temperat\u016bra.<\/p>\n<hr \/>\n<h2 data-start=\"7079\" data-end=\"7119\">PS \u2013 ekonomi\u0161kiems vidaus sprendimams<\/h2>\n<p data-start=\"7121\" data-end=\"7276\"><strong data-start=\"7121\" data-end=\"7142\">PS (polistirolas)<\/strong> taip pat gali b\u016bti skaidrus \u2013 kataloge nurodomas jo \u0161viesos pralaidumas siekia apie <strong data-start=\"7227\" data-end=\"7235\">89 %<\/strong>.<\/p>\n<p data-start=\"7278\" data-end=\"7317\">\u201ePlastena\u201c kataloge PS rekomenduojamas:<\/p>\n<ul data-start=\"7319\" data-end=\"7547\">\n<li data-start=\"7319\" data-end=\"7340\">vidaus stiklinimui;<\/li>\n<li data-start=\"7341\" data-end=\"7350\">r\u0117mams;<\/li>\n<li data-start=\"7351\" data-end=\"7386\">lempoms ir lubiniams \u0161viestuvams;<\/li>\n<li data-start=\"7387\" data-end=\"7399\">vitrinoms;<\/li>\n<li data-start=\"7400\" data-end=\"7416\">ekspozicijoms;<\/li>\n<li data-start=\"7417\" data-end=\"7430\">pertvaroms;<\/li>\n<li data-start=\"7431\" data-end=\"7466\">dur\u0173 ir lang\u0173 vidaus stiklinimui;<\/li>\n<li data-start=\"7467\" data-end=\"7547\">\u012fvairiems \u201epasidaryk pats\u201c projektams.<\/li>\n<\/ul>\n<p data-start=\"7549\" data-end=\"7801\">Pagal katalogo techninius duomenis jo sm\u016bginis atsparumas yra gerokai ma\u017eesnis nei PC ar PET-G, tod\u0117l \u0161ios med\u017eiagos nereik\u0117t\u0173 vertinti kaip tiesioginio PC pakaitalo ten, kur svarbi apsauga nuo mechanini\u0173 sm\u016bgi\u0173.<\/p>\n<p data-start=\"7803\" data-end=\"7943\">PS labiau tinka <strong data-start=\"7819\" data-end=\"7854\">paprastesniems vidaus gaminiams<\/strong>, kuriuose svarbus skaidrumas, ta\u010diau nekeliami dideli mechaninio atsparumo reikalavimai.<\/p>\n<hr \/>\n<h2 data-start=\"7945\" data-end=\"7992\">PMMA, PET-G, PET-A, PC ar PS \u2013 k\u0105 pasirinkti?<\/h2>\n<p data-start=\"7994\" data-end=\"8039\">Trumpai pasirinkim\u0105 galima susisteminti taip:<\/p>\n<ul>\n<li data-start=\"8041\" data-end=\"8090\">Kai svarbiausia skaidrumas ir estetika \u2013 PMMA\n<ul>\n<li data-start=\"8092\" data-end=\"8255\">PMMA i\u0161 lyginam\u0173 med\u017eiag\u0173 kataloge turi did\u017eiausi\u0105 nurodyt\u0105 \u0161viesos pralaidum\u0105 \u2013 <strong data-start=\"8173\" data-end=\"8181\">91 %<\/strong> \u2013 ir pasi\u017eymi gera optine kokybe.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"8257\" data-end=\"8321\">Kai reikia skaidrios ir lengvai apdirbamos med\u017eiagos \u2013 PET-G\n<ul>\n<li data-start=\"8323\" data-end=\"8488\">PET-G galima pjauti lazeriu ir, iki nurodyto storio, lenkti \u0161altuoju b\u016bdu, tod\u0117l jis patogus gaminant \u012fvairi\u0173 form\u0173 gaminius.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"8490\" data-end=\"8529\">Kai svarbus termoformavimas \u2013 PET-A\n<ul>\n<li data-start=\"8531\" data-end=\"8683\">PET-A kataloge i\u0161skiriamas d\u0117l gero termoformavimo ir to, kad prie\u0161 proces\u0105 lak\u0161t\u0173 nereikia i\u0161 anksto d\u017eiovinti.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"8685\" data-end=\"8729\">Kai svarbiausia sm\u016bginis atsparumas \u2013 PC\n<ul>\n<li data-start=\"8731\" data-end=\"8940\">PC techniniai duomenys rodo itin didel\u012f sm\u016bgin\u012f atsparum\u0105, tod\u0117l jis tinkamas apsauginiams elementams ir kitoms didesni\u0173 mechanini\u0173 apkrov\u0173 patirian\u010dioms konstrukcijoms.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"8942\" data-end=\"9005\">Kai reikia paprasto skaidraus plastiko vidaus gaminiui \u2013 PS\n<ul>\n<li data-start=\"9007\" data-end=\"9164\">PS kataloge daugiausia siejamas su vidaus stiklinimu, \u0161viestuvais, ekspozicijomis, vitrinomis ir pana\u0161iais gaminiais.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h2 data-start=\"9166\" data-end=\"9222\">Kaip pasirinkti skaidr\u0173 plastik\u0105 konkre\u010diam gaminiui?<\/h2>\n<p data-start=\"9224\" data-end=\"9298\">Prie\u0161 pasirenkant med\u017eiag\u0105 rekomenduojama \u012fvertinti bent \u0161e\u0161is kriterijus.<\/p>\n<ol>\n<li><strong data-start=\"9300\" data-end=\"9350\">Ar gaminys bus naudojamas viduje, ar lauke?<\/strong><br data-start=\"9350\" data-end=\"9353\" \/>Lauko s\u0105lygoms svarbus atsparumas atmosferos ir UV poveikiui.<\/li>\n<li><strong data-start=\"9416\" data-end=\"9460\">Koks reikalingas sm\u016bginis atsparumas?<\/strong><br data-start=\"9460\" data-end=\"9463\" \/>Jeigu gaminys atlieka apsaugin\u0119 funkcij\u0105, med\u017eiagos mechanin\u0117s savyb\u0117s tampa vienu svarbiausi\u0173 pasirinkimo kriterij\u0173.<\/li>\n<li><strong data-start=\"9582\" data-end=\"9617\">Kokia bus darbo temperat\u016bra?<\/strong><br data-start=\"9617\" data-end=\"9620\" \/>Pagal pateiktus techninius duomenis lyginam\u0173 med\u017eiag\u0173 maksimali eksploatacijos temperat\u016bra svyruoja nuo 60 \u00b0C PET-A ir PET-G iki 120 \u00b0C PC.<\/li>\n<li><strong data-start=\"9801\" data-end=\"9838\">Kaip plastikas bus apdirbamas?<\/strong><br data-start=\"9838\" data-end=\"9841\" \/>Pjovimas, frezavimas, lenkimas, termoformavimas ar kitas gamybos procesas gali tur\u0117ti didel\u0117s \u012ftakos med\u017eiagos pasirinkimui.<\/li>\n<li><strong data-start=\"9967\" data-end=\"10002\">Kiek svarbi optin\u0117 i\u0161vaizda?<\/strong><br data-start=\"10002\" data-end=\"10005\" \/>Jeigu pagrindinis tikslas yra itin skaidrus ir esteti\u0161kas pavir\u0161ius, verta vertinti PMMA. Jeigu prioritetas yra apsauga nuo sm\u016bgi\u0173, tinkamesnis gali b\u016bti PC.<\/li>\n<li><strong data-start=\"10164\" data-end=\"10214\">Su kokiomis med\u017eiagomis gaminys kontaktuos?<\/strong><br data-start=\"10214\" data-end=\"10217\" \/>Cheminis atsparumas taip pat skiriasi. \u201ePlastena\u201c techniniame kataloge atskirai pateiktas PS, PMMA, PET-A, PET-G ir PC atsparumas mineralin\u0117ms bei augalin\u0117ms alyvoms, vandeniui, etanoliui, metanoliui ir kitoms med\u017eiagoms.<\/li>\n<\/ol>\n<hr \/>\n<h2 data-start=\"10480\" data-end=\"10523\">Vien tik i\u0161vaizdos pasirinkimui nepakanka<\/h2>\n<p data-start=\"10525\" data-end=\"10598\">Viena da\u017eniausi\u0173 klaid\u0173 \u2013 rinktis skaidr\u0173 plastik\u0105 tik pagal jo i\u0161vaizd\u0105.<\/p>\n<p data-start=\"10600\" data-end=\"10763\">Naujas skaidrus <strong data-start=\"10616\" data-end=\"10689\">PMMA, PET-G, PET-A, PC ar PS lak\u0161tas vizualiai gali atrodyti pana\u0161iai<\/strong>, ta\u010diau realiomis eksploatacijos s\u0105lygomis j\u0173 savyb\u0117s gali labai skirtis.<\/p>\n<p data-start=\"10765\" data-end=\"10919\">Tod\u0117l med\u017eiag\u0105 verta rinktis pagal b\u016bsimo gaminio paskirt\u012f, mechanines apkrovas, temperat\u016br\u0105, aplinkos s\u0105lygas, reikaling\u0105 apdirbim\u0105 ir chemin\u012f atsparum\u0105.<\/p>\n<hr \/>\n<h2 data-start=\"10921\" data-end=\"10970\">Skaidri\u0173 plastik\u0173 apdirbimas ir detali\u0173 gamyba<\/h2>\n<p data-start=\"10972\" data-end=\"11164\">Tinkamos med\u017eiagos pasirinkimas yra tik pirmasis etapas. Lak\u0161t\u0105 da\u017enai reikia supjauti pagal matmenis, i\u0161frezuoti, i\u0161pjauti lazeriu, sulenkti, termoformuoti ar i\u0161 jo pagaminti galutin\u012f gamin\u012f.<\/p>\n<p data-start=\"11166\" data-end=\"11294\">UAB <strong data-start=\"11170\" data-end=\"11184\">\u201ePlastena\u201c<\/strong> tiekia skirting\u0173 r\u016b\u0161i\u0173 skaidrius plastik\u0173 lak\u0161tus ir teikia plastik\u0173 apdirbimo bei gamini\u0173 gamybos paslaugas.<\/p>\n<p data-start=\"11296\" data-end=\"11597\">Jeigu n\u0117ra ai\u0161ku, <strong data-start=\"11314\" data-end=\"11350\">kur\u012f skaidr\u0173 plastik\u0105 pasirinkti<\/strong>, verta pateikti informacij\u0105 apie planuojam\u0105 gamin\u012f, jo naudojimo aplink\u0105, matmenis, temperat\u016br\u0105, mechanines apkrovas ir pageidaujam\u0105 apdirbimo b\u016bd\u0105. Tai leid\u017eia tiksliau \u012fvertinti, ar konkre\u010diam projektui tinkamesnis PMMA, PET-G, PET-A, PC ar PS.<\/p>\n<hr \/>\n<h2 data-start=\"11599\" data-end=\"11632\">Da\u017eniausiai u\u017eduodami klausimai<\/h2>\n<p>&nbsp;<\/p>\n<h3 data-start=\"11634\" data-end=\"11680\">Koks skaidrus plastikas yra skaidriausias?<\/h3>\n<p data-start=\"11682\" data-end=\"11860\">Pagal \u201ePlastena\u201c kataloge pateiktus duomenis PMMA \u0161viesos pralaidumas yra apie <strong data-start=\"11761\" data-end=\"11769\">91 %<\/strong>, PC \u2013 87\u201390 %, PS ir PET-A \u2013 89 %, o PET-G \u2013 88 %.<\/p>\n<h3 data-start=\"11862\" data-end=\"11913\">Koks skaidrus plastikas atspariausias sm\u016bgiams?<\/h3>\n<p data-start=\"11915\" data-end=\"12127\">Pagal kataloge pateiktus Charpy bandymo duomenis i\u0161 lyginam\u0173 med\u017eiag\u0173 ypa\u010d i\u0161siskiria <strong data-start=\"12001\" data-end=\"12024\">PC (polikarbonatas)<\/strong>. PC su \u012fpjova nurodyta 88 kJ\/m\u00b2 vert\u0117, kai lak\u0161to storis 3 mm.<\/p>\n<h3 data-start=\"12129\" data-end=\"12157\">Kuo skiriasi PMMA ir PC?<\/h3>\n<p data-start=\"12159\" data-end=\"12400\">PMMA i\u0161siskiria auk\u0161tu skaidrumu ir optine kokybe, o PC \u2013 gerokai didesniu sm\u016bginiu atsparumu ir auk\u0161tesne maksimalia eksploatacijos temperat\u016bra. Tod\u0117l j\u0173 pasirinkimas priklauso nuo gaminio paskirties.<\/p>\n<h3 data-start=\"12402\" data-end=\"12434\">Kuo skiriasi PET-G ir PET-A?<\/h3>\n<p data-start=\"12436\" data-end=\"12651\">Pagal pateikt\u0105 katalog\u0105 PET-G akcentuojamas d\u0117l tvirtumo, sm\u016bginio atsparumo, plasti\u0161kumo ir lengvo apdirbimo, o PET-A \u2013 d\u0117l gero cheminio atsparumo ir termoformavimo savybi\u0173.<\/p>\n<h3 data-start=\"12653\" data-end=\"12710\">Koks skaidrus plastikas tinkamas apsauginiam gaubtui?<\/h3>\n<p data-start=\"12712\" data-end=\"12944\">Jeigu svarbus didelis atsparumas sm\u016bgiams, pirmiausia verta vertinti PC. \u201ePlastena\u201c kataloge polikarbonatas tiesiogiai nurodomas kaip tinkamas \u017emoni\u0173 ir ma\u0161in\u0173 apsauginiams elementams gaminti.<\/p>\n<h3 data-start=\"12946\" data-end=\"13002\">Ar skaidr\u016bs plastikai atspar\u016bs chemin\u0117ms med\u017eiagoms?<\/h3>\n<p data-start=\"13004\" data-end=\"13278\">Tai priklauso nuo konkre\u010dios med\u017eiagos ir chemin\u0117s med\u017eiagos. Pavyzd\u017eiui, kataloge visoms penkioms med\u017eiagoms nurodomas puikus atsparumas vandeniui, ta\u010diau j\u0173 reakcija \u012f aceton\u0105, etanol\u012f, metanol\u012f, benzin\u0105 ir kitas med\u017eiagas skiriasi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Skaidr\u016bs plastikai naudojami ten, kur reikalingas \u0161viesos pralaidumas, nedidelis svoris, atsparumas aplinkos poveikiui arba galimyb\u0117 med\u017eiag\u0105 lengvai apdirbti ir formuoti. Jie naudojami reklamos gamyboje, apsauginiuose gaubtuose, pertvarose, \u012frengini\u0173 apsaugose, ekspozicijose, stiklinimo sprendimuose, \u0161viestuvuose ir daugelyje kit\u0173 sri\u010di\u0173. Ta\u010diau skaidrus plastikas n\u0117ra viena konkreti med\u017eiaga. PMMA, PET-G, PET-A, PC ir PS i\u0161 pirmo \u017evilgsnio gali atrodyti [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":24204,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-24197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-lt"],"acf":[],"_links":{"self":[{"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/posts\/24197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/comments?post=24197"}],"version-history":[{"count":5,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/posts\/24197\/revisions"}],"predecessor-version":[{"id":24242,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/posts\/24197\/revisions\/24242"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/media\/24204"}],"wp:attachment":[{"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/media?parent=24197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/categories?post=24197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plastena.lt\/lt\/wp-json\/wp\/v2\/tags?post=24197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}