{"id":902466,"date":"2026-11-05T22:59:58","date_gmt":"2026-11-05T21:59:58","guid":{"rendered":"https:\/\/www.packaging.si\/?p=902466"},"modified":"2026-11-05T22:59:58","modified_gmt":"2026-11-05T21:59:58","slug":"odaberite-din18-cep-prema-vrsti-doziranja","status":"publish","type":"post","link":"https:\/\/www.packaging.si\/hr\/choose-din18-plug-by-dispensing-type\/","title":{"rendered":"Flip-top, kapaljka ili roll-on? Odabir DIN18 \u010depa prema namjeni"},"content":{"rendered":"<p>Kada boca DIN18 napusti format s kapaljkom, \u010dep odre\u0111uje kako proizvod zapravo dolazi do korisnika. Jedan \u010dep daje kontrolirane kapljice. Drugi pipetu \u010disti pri izvla\u010denju. Tre\u0107i proizvod nanosi valjkom na ko\u017eu. Odabir pogre\u0161nog \u010depa \u010dest je uzrok neurednog doziranja, rasipanja proizvoda i reklamacija koje nemaju veze s formulom.<\/p>\n<p>Ovaj vodi\u010d uspore\u0111uje vrste \u010depova u na\u0161oj <a href=\"https:\/\/www.packaging.si\/hr\/kategorija-proizvoda\/dijelovi-i-komponente\/umetci-guardseal\/\">\u010cepovi \u201cGuardSeal\u201d<\/a> liniji prema na\u010dinu doziranja. Tako\u0111er navodi \u0161to treba odrediti prije narud\u017ebe i kako testirati uzorak prije pune proizvodnje.<\/p>\n<h2>Po\u010dnite od na\u010dina doziranja, a ne od \u010depa<\/h2>\n<p>Prije uspore\u0111ivanja zapi\u0161ite kako krajnji korisnik treba izvaditi proizvod iz boce. Postoje \u010detiri osnovne radnje:<\/p>\n<ul>\n<li><strong>Naliti ili istisnuti tanki mlaz<\/strong> kroz otvor s preklopnim poklopcem.<\/li>\n<li><strong>Nagnuti bocu i ispustiti pojedina\u010dne kapljice<\/strong> kroz mali otvor.<\/li>\n<li><strong>Povu\u0107i teku\u0107inu pipetom ili koristiti kist<\/strong> i pri izvla\u010denju ukloniti vi\u0161ak.<\/li>\n<li><strong>Nanijeti proizvod na povr\u0161inu<\/strong> pomo\u0107u aplikatora s kuglicom.<\/li>\n<\/ul>\n<p>Svaka radnja odgovara jednoj vrsti \u010depa. Odjeljci u nastavku redom ih opisuju.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"266\" src=\"https:\/\/www.packaging.si\/wp-content\/uploads\/2026\/11\/roll-on-bottle-with-steel-ball-applicator-for-oils-1024x266.jpg\" class=\"attachment-large size-large\" alt=\"Roll-on bottle with steel ball applicator for oils\" loading=\"lazy\" \/><\/figure>\n<h2>\u010cepovi s preklopnim poklopcem: brz pristup, jednom rukom<\/h2>\n<p>\u010cep s preklopnim poklopcem ima preklopni poklopac iznad otvora za doziranje. Prozirni <a href=\"https:\/\/www.packaging.si\/hr\/trgovina\/dijelovi-i-komponente\/umetci-guardseal\/prozirni-flip-top-umetak-din18-otvor-2-5-mm-visina-10-6-mm\/\">\u010dep s preklopnim poklopcem za boce DIN18<\/a> ima otvor za doziranje od 2,5 mm i visok je 10,6 mm. Ta dva podatka u praksi su va\u017ena:<\/p>\n<ul>\n<li>Ova <strong>promjer otvora<\/strong> utje\u010de na brzinu kojom teku\u0107ina izlazi iz boce. Otvor od 2,5 mm pogodan je za proizvode koji trebaju slobodno te\u0107i i ne zahtijevaju preciznost kap po kap.<\/li>\n<li>Ova <strong>visina \u010depa<\/strong> utje\u010de na to koliko vrata boce zauzima i kako sjedi ispod ili unutar vanjskog zatvara\u010da. Provjerite je li u skladu s va\u0161im poklopcem ili prstenom prije odluke.<\/li>\n<\/ul>\n<p>\u010cepovi s preklopnim poklopcem prikladni su za proizvode koje korisnici \u010desto otvaraju i zatvaraju te nanose u malim koli\u010dinama, poput teku\u0107e kozmetike i ulja za kosu ili vlasi\u0161te. Manje su prikladni za proizvode koje treba dozirati to\u010dnim brojem kapi. Za to koristite manji otvor ili kapaljku.<\/p>\n<h2>\u010cepovi s reduktorom otvora: pretvaranje boce u dozator kapi<\/h2>\n<p>Ova <a href=\"https:\/\/www.packaging.si\/hr\/trgovina\/dijelovi-i-komponente\/umetci-guardseal\/prozirni-umetak-za-bocice-din18-za-precizno-doziranje-tekucine\/\">Prozirni \u010dep za bocu DIN18 za precizno doziranje teku\u0107ine<\/a> je reduktor otvora. Utisnut u vrat i u kombinaciji s vij\u010danim zatvara\u010dem DIN18 pretvara bocu u dozator kapi. Korisnik nagne bocu i proizvod izlazi u kapima umjesto u mlazu.<\/p>\n<p>Ovo je najjednostavniji izbor kada:<\/p>\n<ul>\n<li>proizvod je tanka do srednje gusta teku\u0107ina koja se ne smije slobodno izlijevati,<\/li>\n<li>\u017eelite jednostavnu alternativu sklopu s pipetom s malim brojem dijelova,<\/li>\n<li>korisniku ne treba povla\u010diti proizvod u pipetu i mjeriti ga.<\/li>\n<\/ul>\n<p>Imajte na umu da veli\u010dina kapi ovisi o teku\u0107ini jednako kao i o \u010depu. Povr\u0161inska napetost, viskoznost i temperatura mijenjaju na\u010din na koji kapi nastaju. Uvijek testirajte sa stvarnim proizvodom, a ne s vodom.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.packaging.si\/wp-content\/uploads\/2026\/11\/row-of-amber-glass-bottles-ready-for-plugs-and-closures-1024x682.jpg\" class=\"attachment-large size-large\" alt=\"Row of amber glass bottles ready for plugs and closures\" loading=\"lazy\" \/><\/figure>\n<h2>\u010cepovi s brisa\u010dem: \u010di\u0161\u0107enje pipeta i kistova<\/h2>\n<p>Ova <a href=\"https:\/\/www.packaging.si\/hr\/trgovina\/dijelovi-i-komponente\/umetci-guardseal\/prozirni-ldpe-umetak-za-farmaceutske-bocice-din18-s-integriranim-brisacem\/\">Prozirni \u010dep DIN18 od LDPE-a s integriranim brisa\u010dem za \u010di\u0161\u0107enje<\/a> ima druga\u010diju ulogu. Ostaje u vratu dok kroz njega prolazi pipeta ili kist, a brisa\u010d pri izvla\u010denju uklanja vi\u0161ak teku\u0107ine s pipete ili kista.<\/p>\n<p>Odaberite \u010dep s brisa\u010dem kada:<\/p>\n<ul>\n<li>se proizvod nanosi pipetom ili aplikatorom i kapanje predstavlja problem,<\/li>\n<li>\u017eelite manje ostataka na vanjskoj strani boce i na navojima poklopca,<\/li>\n<li>korisnik treba mo\u0107i uzeti kontroliranu koli\u010dinu bez brisanja pipete o vrat boce.<\/li>\n<\/ul>\n<p>Otvor brisa\u010da mora odgovarati dijelu koji kroz njega prolazi. \u010cvrsto pristajanje bolje bri\u0161e, ali zahtijeva vi\u0161e sile. Labavo pristajanje bri\u0161e manje. Ako radite s odre\u0111enim promjerom pipete ili posebnim kistom, po\u0161aljite nam mjere i zatra\u017eite uzorke.<\/p>\n<h2>\u010cepovi roll-on s \u010deli\u010dnom kuglicom: izravno nano\u0161enje<\/h2>\n<p>Na\u0161i roll-on setovi kombiniraju kuglicu od nehr\u0111aju\u0107eg \u010delika u prozirnom \u010depu s PP vij\u010danim zatvara\u010dem, dostupnim u <a href=\"https:\/\/www.packaging.si\/hr\/trgovina\/dijelovi-i-komponente\/umetci-guardseal\/roll-on-umetak-din18-s-celicnom-kuglicom-prozirnim-umetkom-i-bijelim-pp-cepom-bez-jamstvenog-obruca\/\">bijela<\/a> i <a href=\"https:\/\/www.packaging.si\/hr\/trgovina\/dijelovi-i-komponente\/umetci-guardseal\/roll-on-umetak-din18-s-celicnom-kuglicom-prozirnim-umetkom-i-crnim-pp-cepom-bez-jamstvenog-obruca\/\">crna<\/a>. Oba zatvara\u010da nemaju indikator prvog otvaranja. Ako va\u0161 proizvod ili tr\u017ei\u0161te zahtijevaju indikator prvog otvaranja, to predvidite rano. To mo\u017ee promijeniti izbor zatvara\u010da.<\/p>\n<p>Roll-on se dobro pokazuje kod mirisnih ulja, mje\u0161avina eteri\u010dnih ulja i drugih teku\u0107ina koje se nanose izravno na odre\u0111eno mjesto. Budu\u0107i da korisnik ne naginje bocu, doza se lak\u0161e odr\u017eava malom. Boja poklopca je ujedno jednostavan alat za brendiranje, jer je sam \u010dep proziran pa kupac vidi kuglicu i proizvod.<\/p>\n<h2>Usporedba jedne uz drugu<\/h2>\n<table>\n<thead>\n<tr>\n<th>Vrsta \u010depa<\/th>\n<th>Radnja doziranja<\/th>\n<th>Najbolje za<\/th>\n<th>Provjerite prije narud\u017ebe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Preklopni (otvor 2,5 mm)<\/td>\n<td>Tanki mlaz kroz preklopni otvor<\/td>\n<td>Frequent opening, free-flowing liquids<\/td>\n<td>Height vs. outer closure, flow with your product<\/td>\n<\/tr>\n<tr>\n<td>Orifice reducer<\/td>\n<td>Drops when tipped<\/td>\n<td>Simple drop dispensing with a DIN18 screw cap<\/td>\n<td>Drop behavior with your liquid<\/td>\n<\/tr>\n<tr>\n<td>Wiper plug (LDPE)<\/td>\n<td>Pipette or brush wiped on exit<\/td>\n<td>Cleaner application, less residue<\/td>\n<td>Pipette or brush diameter<\/td>\n<\/tr>\n<tr>\n<td>Steel ball roll-on<\/td>\n<td>Ball rolls product onto surface<\/td>\n<td>Direct, targeted application<\/td>\n<td>Product compatibility, tamper-evidence needs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>What to define before you order<\/h2>\n<ol>\n<li><strong>Izvedba grla.<\/strong> All plugs listed here are for DIN18. Confirm that your bottles are DIN18 and check the bottle supplier&#8217;s neck specification if you use bottles from elsewhere.<\/li>\n<li><strong>Product properties.<\/strong> Viscosity, oil or water base, fragrance load and any solvents. Plastics can react differently to different formulas, so test compatibility with your own product and your own stability protocol.<\/li>\n<li><strong>Outer closure.<\/strong> Screw cap, collar or dropper? Make sure the plug and closure fit together. Our <a href=\"https:\/\/www.packaging.si\/hr\/kategorija-proizvoda\/dijelovi-i-komponente\/cepovi-fortilock\/\">Caps &#8220;FortiLock&#8221;<\/a> range is a good place to look for matching screw caps.<\/li>\n<li><strong>Dispensing target.<\/strong> Drops, stream, wiped pipette or roll-on. Write it in the spec so it is the first thing a sample is judged against.<\/li>\n<li><strong>Filling and assembly method.<\/strong> Hand, semi-automatic or line. Plugs must be pressed in to the same depth every time. Variation here causes leaks or plugs that pop out.<\/li>\n<\/ol>\n<h2>Common mistakes with neck plugs<\/h2>\n<ul>\n<li><strong>Testing with water only.<\/strong> Water behaves very differently from an oil or an alcohol-based formula. Test with the real product.<\/li>\n<li><strong>Ignoring the plug depth.<\/strong> A plug that is not fully seated can lift when the cap is tightened.<\/li>\n<li><strong>Choosing by looks.<\/strong> A transparent plug is easy to match, but function should come first.<\/li>\n<li><strong>Skipping a transport test.<\/strong> Ship a filled sample carton and check for leakage and loose plugs. Temperature and pressure changes during transit can reveal problems that desk tests miss.<\/li>\n<li><strong>Mixing up tamper-evident needs.<\/strong> The roll-on caps listed here are non-tamper evident. Decide on this at the start.<\/li>\n<\/ul>\n<h2>A simple sample test plan<\/h2>\n<ol>\n<li>Fill 5 to 10 bottles with your product for each plug candidate.<\/li>\n<li>Test dispensing by hand: how many drops, how steady, any dripping after use.<\/li>\n<li>Store the filled bottles upright and on their sides for several days, and check for leaks or residue.<\/li>\n<li>Open and close each bottle repeatedly to see how the plug and cap behave.<\/li>\n<li>Record the results next to the spec so the decision is documented.<\/li>\n<\/ol>\n<h2>\u010cesta pitanja<\/h2>\n<h3>Which DIN18 plug gives the most controlled drops?<\/h3>\n<p>An orifice reducer plug used with a DIN18 screw cap is designed to turn the bottle into a drop dispenser. Drop size still depends on your liquid, so test with the actual product.<\/p>\n<h3>Can I use a wiper plug and a pipette together?<\/h3>\n<p>Yes, that is the purpose of a wiper plug. It removes excess liquid from the pipette or brush as it leaves the bottle. Match the wiper opening to the pipette or brush diameter.<\/p>\n<h3>Are the roll-on caps tamper evident?<\/h3>\n<p>No. The black and white PP caps in our roll-on sets are non-tamper evident. If you need tamper evidence, tell us and we can advise on other closure options.<\/p>\n<h3>Do you offer samples before a carton order?<\/h3>\n<p>Yes. Ask us for samples of the plug types you are comparing, and test them with your own product before ordering by the carton.<\/p>\n<p>Ready to compare plug types for your DIN18 bottles? <a href=\"https:\/\/www.packaging.si\/hr\/trgovina\/\">Pregledajte trgovinu<\/a> or contact us for samples and advice on matching a plug to your product.<\/p>","protected":false},"excerpt":{"rendered":"<p>Four plug types fit DIN18 bottles, and each one dispenses differently. This guide compares flip-top, drop dispenser, wiper and roll-on plugs so you can match the plug to your product and process.<\/p>","protected":false},"author":1,"featured_media":902467,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_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,"_kad_post_classname":"","footnotes":""},"categories":[246],"tags":[91114,91110,91111,91112,91115,91113],"class_list":["post-902466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dropper-bottles","tag-bottle-wiper","tag-din18-plugs","tag-flip-top-plug","tag-orifice-reducer","tag-primary-packaging","tag-roll-on-bottle"],"_links":{"self":[{"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/posts\/902466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/comments?post=902466"}],"version-history":[{"count":1,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/posts\/902466\/revisions"}],"predecessor-version":[{"id":902470,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/posts\/902466\/revisions\/902470"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/media\/902467"}],"wp:attachment":[{"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/media?parent=902466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/categories?post=902466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packaging.si\/hr\/wp-json\/wp\/v2\/tags?post=902466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}