{"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":"alegeti-dopul-din-18-in-functie-de-tipul-de-dozare","status":"publish","type":"post","link":"https:\/\/www.packaging.si\/ro\/choose-din18-plug-by-dispensing-type\/","title":{"rendered":"Flip-Top, Drop sau Roll-On? Alegerea dopului DIN18 \u00een func\u021bie de utilizare"},"content":{"rendered":"<p>C\u00e2nd un flacon DIN18 nu mai are formatul cu pipet\u0103, dopul decide modul \u00een care produsul ajunge efectiv la utilizator. Un dop ofer\u0103 pic\u0103turi controlate. Altul \u0219terge pipeta la ie\u0219ire. Un al treilea aplic\u0103 produsul prin rulare pe piele. Alegerea gre\u0219it\u0103 este o cauz\u0103 frecvent\u0103 a doz\u0103rii dezordonate, a pierderii de produs \u0219i a reclama\u021biilor care nu au leg\u0103tur\u0103 cu formula.<\/p>\n<p>Acest ghid compar\u0103 tipurile de dopuri din <a href=\"https:\/\/www.packaging.si\/ro\/categorie-produs\/piese-si-componente\/reductoare-guardseal\/\">gama \u201cGuardSeal\u201d<\/a> dup\u0103 modul de dozare. De asemenea, enumer\u0103 ce trebuie definit \u00eenainte de comand\u0103 \u0219i cum se testeaz\u0103 un e\u0219antion \u00eenainte de o produc\u021bie complet\u0103.<\/p>\n<h2>\u00cencepe\u021bi cu ac\u021biunea de dozare, nu cu dopul<\/h2>\n<p>\u00cenainte de a compara produsele, nota\u021bi cum trebuie utilizatorul final s\u0103 scoat\u0103 produsul din flacon. Exist\u0103 patru ac\u021biuni de baz\u0103:<\/p>\n<ul>\n<li><strong>Turna\u021bi sau stoarce\u021bi un jet sub\u021bire<\/strong> dintr-o deschidere cu balama.<\/li>\n<li><strong>\u00cenclina\u021bi flaconul \u0219i elibera\u021bi pic\u0103tur\u0103 cu pic\u0103tur\u0103<\/strong> printr-un orificiu mic.<\/li>\n<li><strong>Trage\u021bi lichidul cu o pipet\u0103 sau folosi\u021bi o pensul\u0103<\/strong> \u0219i \u00eendep\u0103rta\u021bi excesul la ie\u0219ire.<\/li>\n<li><strong>Rula\u021bi produsul pe o suprafa\u021b\u0103<\/strong> cu un aplicator cu bil\u0103.<\/li>\n<\/ul>\n<p>Fiecare ac\u021biune corespunde unui tip de dop. Sec\u021biunile de mai jos le descriu pe r\u00e2nd.<\/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>Dopuri flip-top: acces rapid, cu o singur\u0103 m\u00e2n\u0103<\/h2>\n<p>Un dop flip-top are un capac cu balama peste un orificiu de dozare. Dopul <a href=\"https:\/\/www.packaging.si\/ro\/magazin\/piese-si-componente\/reductoare-guardseal\/reductor-transparent-cu-capac-rabatabil-din18-orificiu-2-5-mm-inaltime-10-6-mm\/\">flip-top transparent pentru flacoane DIN18<\/a> are un orificiu de dozare de 2.5 mm \u0219i \u00een\u0103l\u021bime de 10.6 mm. Aceste dou\u0103 valori conteaz\u0103 \u00een practic\u0103:<\/p>\n<ul>\n<li>Acest <strong>diametrul orificiului<\/strong> influen\u021beaz\u0103 viteza cu care lichidul iese din flacon. Un orificiu de 2.5 mm este potrivit pentru produse care trebuie s\u0103 curg\u0103 liber \u0219i nu necesit\u0103 precizie pic\u0103tur\u0103 cu pic\u0103tur\u0103.<\/li>\n<li>Acest <strong>\u00een\u0103l\u021bimea dopului<\/strong> determin\u0103 c\u00e2t din g\u00e2t ocup\u0103 \u0219i cum se a\u0219eaz\u0103 sub sau \u00een interiorul \u00eenchiderii exterioare. Verifica\u021bi-o fa\u021b\u0103 de capac sau guler \u00eenainte de a v\u0103 decide.<\/li>\n<\/ul>\n<p>Dopurile flip-top sunt potrivite produselor pe care utilizatorii le deschid \u0219i \u00eenchid des \u0219i le aplic\u0103 \u00een cantit\u0103\u021bi mici, cum ar fi cosmeticele lichide \u0219i uleiurile pentru p\u0103r \u0219i scalp. Sunt mai pu\u021bin potrivite produselor care trebuie dozate \u00eentr-un num\u0103r exact de pic\u0103turi. Pentru acestea, folosi\u021bi un orificiu mai mic sau o pipet\u0103.<\/p>\n<h2>Dopuri reductoare de orificiu: transformarea flaconului \u00eentr-un dozator de pic\u0103turi<\/h2>\n<p>Acest <a href=\"https:\/\/www.packaging.si\/ro\/magazin\/piese-si-componente\/reductoare-guardseal\/reductor-transparent-din18-pentru-flacoane-pentru-dozarea-precisa-a-lichidelor\/\">transparent pentru flacoane DIN18, pentru dozare precis\u0103 a lichidelor<\/a> este un reductor de orificiu. Introdus \u00een g\u00e2t \u0219i combinat cu un capac filetat DIN18, transform\u0103 flaconul \u00eentr-un dozator de pic\u0103turi. Utilizatorul \u00eenclin\u0103 flaconul, iar produsul iese \u00een pic\u0103turi, nu \u00eentr-un jet.<\/p>\n<p>Aceasta este cea mai simpl\u0103 solu\u021bie c\u00e2nd:<\/p>\n<ul>\n<li>produsul este un lichid sub\u021bire p\u00e2n\u0103 la mediu v\u00e2scos, care nu ar trebui s\u0103 curg\u0103 liber,<\/li>\n<li>dori\u021bi o alternativ\u0103 simpl\u0103, cu un num\u0103r mic de piese, la un ansamblu de pipet\u0103,<\/li>\n<li>utilizatorul nu trebuie s\u0103 aspire produsul \u0219i s\u0103-l m\u0103soare.<\/li>\n<\/ul>\n<p>Re\u021bine\u021bi c\u0103 m\u0103rimea pic\u0103turii depinde at\u00e2t de lichid, c\u00e2t \u0219i de dop. Tensiunea superficial\u0103, v\u00e2scozitatea \u0219i temperatura modific\u0103 modul \u00een care se formeaz\u0103 o pic\u0103tur\u0103. Testa\u021bi \u00eentotdeauna cu produsul real, nu cu ap\u0103.<\/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>Dopuri cu lamel\u0103 de cur\u0103\u021bare: cur\u0103\u021barea pipetelor \u0219i a pensulelor<\/h2>\n<p>Acest <a href=\"https:\/\/www.packaging.si\/ro\/magazin\/piese-si-componente\/reductoare-guardseal\/reductor-farmaceutic-transparent-din-ldpe-din18-pentru-flacoane-cu-stergator-integrat\/\">Dop LDPE transparent DIN18 cu lamel\u0103 de cur\u0103\u021bare integrat\u0103<\/a> are o func\u021bie diferit\u0103. R\u0103m\u00e2ne \u00een g\u00e2t \u00een timp ce o pipet\u0103 sau o pensul\u0103 trece prin el, iar lamela \u00eendep\u0103rteaz\u0103 excesul de lichid de pe pipet\u0103 sau pensul\u0103 la ie\u0219ire.<\/p>\n<p>Alege\u021bi un dop cu lamel\u0103 c\u00e2nd:<\/p>\n<ul>\n<li>produsul se aplic\u0103 cu o pipet\u0103 sau un aplicator, iar pic\u0103turile reprezint\u0103 o problem\u0103,<\/li>\n<li>dori\u021bi mai pu\u021bine reziduuri pe exteriorul flaconului \u0219i pe filetul capacului,<\/li>\n<li>utilizatorul trebuie s\u0103 poat\u0103 lua o cantitate controlat\u0103 f\u0103r\u0103 s\u0103 \u0219tearg\u0103 pipeta de g\u00e2t.<\/li>\n<\/ul>\n<p>Deschiderea lamelei trebuie s\u0103 corespund\u0103 piesei care trece prin ea. O potrivire str\u00e2ns\u0103 cur\u0103\u021b\u0103 mai bine, dar necesit\u0103 mai mult\u0103 for\u021b\u0103. O potrivire lejer\u0103 cur\u0103\u021b\u0103 mai pu\u021bin. Dac\u0103 lucra\u021bi cu un diametru specific de pipet\u0103 sau cu o pensul\u0103 personalizat\u0103, trimite\u021bi-ne m\u0103sur\u0103torile \u0219i solicita\u021bi mostre.<\/p>\n<h2>Dopuri roll-on cu bil\u0103 din o\u021bel: aplicare direct\u0103<\/h2>\n<p>Seturile noastre roll-on combin\u0103 o bil\u0103 din o\u021bel inoxidabil \u00eentr-un dop transparent cu un capac filetat din PP, disponibile \u00een <a href=\"https:\/\/www.packaging.si\/ro\/magazin\/piese-si-componente\/reductoare-guardseal\/reductor-roll-on-din18-cu-bila-din-otel-reductor-transparent-si-capac-alb-din-pp-fara-sigiliu-de-garantie\/\">alb<\/a> \u0219i <a href=\"https:\/\/www.packaging.si\/ro\/magazin\/piese-si-componente\/reductoare-guardseal\/reductor-roll-on-din18-cu-bila-din-otel-reductor-transparent-si-capac-negru-din-pp-fara-sigiliu-de-garantie\/\">negru<\/a>. Ambele capace sunt f\u0103r\u0103 sigiliu de inviolabilitate. Dac\u0103 produsul sau pia\u021ba dvs. necesit\u0103 un element de inviolabilitate, planifica\u021bi-l din timp. Acesta poate modifica alegerea \u00eenchiderii.<\/p>\n<p>Roll-on este potrivit pentru uleiuri parfumate, amestecuri de uleiuri esen\u021biale \u0219i alte lichide aplicate direct \u00eentr-un punct definit. Deoarece utilizatorul nu \u00eenclin\u0103 flaconul, doza este mai u\u0219or de men\u021binut mic\u0103. Culoarea capacului este \u0219i un instrument simplu de branding, deoarece dopul \u00een sine este transparent, iar clientul vede bila \u0219i produsul.<\/p>\n<h2>Compara\u021bie direct\u0103<\/h2>\n<table>\n<thead>\n<tr>\n<th>Tip de dop<\/th>\n<th>Ac\u021biune de dozare<\/th>\n<th>Cel mai potrivit pentru<\/th>\n<th>De verificat \u00eenainte de comand\u0103<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Flip-top (orificiu 2.5 mm)<\/td>\n<td>Jet sub\u021bire dintr-o deschidere cu balama<\/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>Finisajul g\u00e2tului.<\/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\/ro\/categorie-produs\/piese-si-componente\/capace-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>\u00centreb\u0103ri frecvente<\/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\/ro\/magazin\/\">R\u0103sfoi\u021bi magazinul<\/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\/ro\/wp-json\/wp\/v2\/posts\/902466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/comments?post=902466"}],"version-history":[{"count":1,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/posts\/902466\/revisions"}],"predecessor-version":[{"id":902470,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/posts\/902466\/revisions\/902470"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/media\/902467"}],"wp:attachment":[{"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/media?parent=902466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/categories?post=902466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packaging.si\/ro\/wp-json\/wp\/v2\/tags?post=902466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}