{"id":6306,"date":"2023-11-24T07:30:42","date_gmt":"2023-11-24T07:30:42","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6306"},"modified":"2026-04-28T10:42:22","modified_gmt":"2026-04-28T10:42:22","slug":"does-a-higher-spf-mean-better-results","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/does-a-higher-spf-mean-better-results\/","title":{"rendered":"Mit jelent az SPF a f\u00e9nyv\u00e9d\u0151 term\u00e9kekben, \u00e9s a magasabb SPF jobb eredm\u00e9nyt jelent-e?"},"content":{"rendered":"<h1><strong>Mit jelent az SPF a f\u00e9nyv\u00e9d\u0151 term\u00e9kekben, \u00e9s a magasabb SPF jobb eredm\u00e9nyt jelent-e?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Gyors v\u00e1lasz:<\/strong> Az UV fest\u00e9krendszereket \u00e1ltal\u00e1ban a sz\u00e1rad\u00e1si sebess\u00e9g, a nyomtat\u00e1si felbont\u00e1s, az aljzat tapad\u00e1sa \u00e9s az alapj\u00e1n \u00edt\u00e9lik meg, hogy a v\u00e9gs\u0151 k\u00e9p kib\u00edrja-e a val\u00f3di kezel\u00e9st. A legjobb csomag az, amelyik a nyomdag\u00e9pen is j\u00f3l teljes\u00edt, nem csak egy statikus laborat\u00f3riumi teszten.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>1. Az UVB \u00e9s az UVA k\u00fcl\u00f6nb\u00f6z\u0151 m\u00f3don k\u00e1ros\u00edtja a b\u0151rt.<\/p>\n<p>Az UVB r\u00f6videbb hull\u00e1mhossz\u00fa (290-320 nm) \u00e9s er\u0151sebb energi\u00e1j\u00fa, ami r\u00f6vid id\u0151 alatt b\u0151r\u00fcnket kipiros\u00edthatja \u00e9s le\u00e9getheti. Az UVB behatol\u00e1sa azonban gyeng\u00e9bb, \u00edgy a napf\u00e9nyben l\u00e9v\u0151 UVB nagy r\u00e9sz\u00e9t az \u00f3zonr\u00e9teg elz\u00e1rja, \u00e9s csak egy kis r\u00e9sze \u00e9ri el a f\u00f6ldfelsz\u00ednt, \u00edgy \u00e1ltal\u00e1ban csak akkor kapunk v\u00f6r\u00f6s \u00e9s le\u00e9gett b\u0151rt, amikor a napsug\u00e1rz\u00e1s k\u00fcl\u00f6n\u00f6sen er\u0151s. Az UVB hossz\u00fa ideig tart\u00f3 expoz\u00edci\u00f3 eset\u00e9n b\u0151rr\u00e1khoz vezethet.<br \/>\nEzzel szemben az UVA hosszabb hull\u00e1mhossz\u00fa (320-400 nm) \u00e9s alacsonyabb energi\u00e1j\u00fa, de annyira \u00e1that\u00f3, hogy eg\u00e9sz \u00e9vben el\u00e9ri a f\u00f6ldfelsz\u00ednt, f\u00fcggetlen\u00fcl att\u00f3l, hogy napos vagy felh\u0151s az id\u0151, \u00e9s m\u00e9g b\u0151r\u00fcnk b\u0151rr\u00e9teg\u00e9be is besug\u00e1rzik. R\u00f6vid t\u00e1von az UVA b\u0151r\u00e9rz\u00e9kenys\u00e9get \u00e9s cs\u00f6kkent t\u0171r\u0151k\u00e9pess\u00e9get okozhat, hossz\u00fa t\u00e1von pedig melaninlerak\u00f3d\u00e1st okozhat \u00e9s felgyors\u00edthatja a b\u0151r \u00f6reged\u00e9s\u00e9t, vagyis az UVA s\u00f6t\u00e9tebb\u00e9 \u00e9s r\u00e1ncosabb\u00e1 teheti b\u0151r\u00fcnket. Ezenk\u00edv\u00fcl az UVA b\u0151rr\u00e1kot is el\u0151id\u00e9zhet.<\/p>\n<p>Ez\u00e9rt a naptej kiv\u00e1laszt\u00e1sakor mind az UVA-, mind az UVB-v\u00e9delem fontos. Felh\u0151s napokon az emberek hajlamosak elhanyagolni a napv\u00e9d\u0151 kr\u00e9m haszn\u00e1lat\u00e1t, pedig az UVA ugyan\u00fagy besug\u00e1rozhat a b\u0151r h\u00e1mr\u00e9teg\u00e9be. Eg\u00e9sz \u00e9vben sz\u00fcks\u00e9g\u00fcnk van naptejre, a legk\u00f6nnyebben figyelmen k\u00edv\u00fcl hagyhat\u00f3, \u00e9s az eg\u00e9sz \u00e9vben optim\u00e1lis sz\u00fcks\u00e9gletet jelent\u0151 v\u00e9delem az UVA.<\/p>\n<p>Jelenleg sok f\u00e9nyv\u00e9d\u0151 kr\u00e9m jobban v\u00e9d az UVB, mint az UVA ellen.<\/p>\n<p>2. Az SPF \u00e9s PA \u00e9rt\u00e9kek jelent\u0151s\u00e9ge<\/p>\n<p>SPF: A f\u00e9nyv\u00e9d\u0151 term\u00e9k azon k\u00e9pess\u00e9ge, hogy v\u00e9delmet ny\u00fajt a b\u0151rt \u00e9get\u0151 UVB-sugarak ellen. P\u00e9ld\u00e1ul egy 20-as SPF-faktor\u00fa f\u00e9nyv\u00e9d\u0151 kr\u00e9m azt jelenti, hogy 20-szoros\u00e1ra n\u00f6veli a b\u0151r UVB-sugarakkal szembeni t\u0171r\u0151k\u00e9pess\u00e9g\u00e9t, amikor felvissz\u00fck. Felt\u00e9telezve, hogy a b\u0151re 10 perc napoz\u00e1s ut\u00e1n kipirosodik napv\u00e9d\u0151 kr\u00e9m n\u00e9lk\u00fcl, a 20-as SPF-\u0171 napv\u00e9d\u0151 kr\u00e9m felvitele ut\u00e1n nagyj\u00e1b\u00f3l 15*20=200 perc napoz\u00e1s sz\u00fcks\u00e9ges ahhoz, hogy kipirosodjon.<\/p>\n<p>Sokan t\u00e9vesen azt gondolj\u00e1k, hogy az SPF a folyamatos napv\u00e9delemre vonatkoz\u00f3 id\u0151re vonatkozik, p\u00e9ld\u00e1ul az SPF50 t\u00f6bb mint h\u00e1romszor annyi ideig ny\u00fajt v\u00e9delmet, mint az SPF15 f\u00e9nyv\u00e9d\u0151. Ez a felfog\u00e1s t\u00e9ves. Val\u00f3j\u00e1ban az SPF nem k\u00f6zvetlen\u00fcl a napon t\u00f6lt\u00f6tt id\u0151vel, hanem a f\u00e9nyexpoz\u00edci\u00f3 mennyis\u00e9g\u00e9vel f\u00fcgg \u00f6ssze. D\u00e9lben, amikor er\u0151s a naps\u00fct\u00e9s, nagyobb val\u00f3sz\u00edn\u0171s\u00e9ggel fog le\u00e9gni, mint reggel \u00e9s este, \u00e9s az alacsonyabb sz\u00e9less\u00e9gi fokokon (p\u00e9ld\u00e1ul Guangzhou vs. Xinjiang), ahol a nap intenzit\u00e1sa is nagyobb, gyakrabban kell \u00fajrakenni a naptejet.<\/p>\n<p>A PA (UVA v\u00e9delmi fokozat) az UVA elleni k\u00fczdelem k\u00e9pess\u00e9ge, amelyet a t\u00f6bb + jel k\u00f6vet, ami azt jelzi, hogy min\u00e9l er\u0151sebb a napbarn\u00edt\u00e1s megel\u0151z\u00e9s\u00e9nek k\u00e9pess\u00e9ge. De nem minden term\u00e9k rendelkezik PA jelz\u00e9ssel, sok eur\u00f3pai \u00e9s amerikai f\u00e9nyv\u00e9d\u0151 nem l\u00e1that\u00f3 a PA-n, de ez nem jelenti azt, hogy nem akarnak barnulni, csak m\u00e1s c\u00edmk\u00e9z\u00e9si m\u00f3dszereket haszn\u00e1lnak, p\u00e9ld\u00e1ul a PPD tart\u00f3s hiperpigment\u00e1ci\u00f3s egy\u00fctthat\u00f3t.<\/p>\n<p>K\u00fcl\u00f6nbs\u00e9gek a napv\u00e9d\u0151 kr\u00e9mek SPF besorol\u00e1sa k\u00f6z\u00f6tt (pl. SPF20, SPF30, SPF50):<\/p>\n<p>SPF20:<\/p>\n<p>M\u00e9rs\u00e9kelt v\u00e9delmet ny\u00fajt az UVB sugarak ellen.<br \/>\nAz UVB-sugarak 95%-j\u00e9t blokkolja.<br \/>\nAlkalmas mindennapi tev\u00e9kenys\u00e9gekhez, korl\u00e1tozott napoz\u00e1ssal.<br \/>\nSPF30:<\/p>\n<p>Magasabb v\u00e9delmet ny\u00fajt, mint az SPF20.<br \/>\nAz UVB-sugarak 97%-j\u00e9t blokkolja.<br \/>\nHosszabb szabadt\u00e9ri tev\u00e9kenys\u00e9gekhez aj\u00e1nlott.<br \/>\nSPF50:<\/p>\n<p>A legmagasabb szint\u0171 UVB-v\u00e9delmet ny\u00fajtja.<br \/>\nAz UVB-sugarak k\u00f6r\u00fclbel\u00fcl 98%-j\u00e9t blokkolja.<br \/>\nAj\u00e1nlott vil\u00e1gos vagy \u00e9rz\u00e9keny b\u0151r\u0171, tart\u00f3san napoz\u00e1snak kitett vagy a b\u0151rr\u00e1k kock\u00e1zat\u00e1nak fokozottan kitett szem\u00e9lyek sz\u00e1m\u00e1ra.<br \/>\nKulcspontok:<\/p>\n<p>Fokozatos v\u00e9delem: Az SPF-\u00e9rt\u00e9kek k\u00f6z\u00f6tti v\u00e9delmi k\u00fcl\u00f6nbs\u00e9g nem line\u00e1ris. P\u00e9ld\u00e1ul az SPF 30 nem ny\u00fajt k\u00e9tszeres v\u00e9delmet az SPF 15-h\u00f6z k\u00e9pest. Az SPF 30 k\u00f6r\u00fclbel\u00fcl 4%-vel nagyobb v\u00e9delmet ny\u00fajt, mint az SPF 15, \u00e9s az SPF 50 csak k\u00f6r\u00fclbel\u00fcl 1-2%-vel ny\u00fajt nagyobb v\u00e9delmet, mint az SPF 30.<\/p>\n<p>UVB v\u00e9delem: Az SPF els\u0151sorban az UVB-sugarak elleni v\u00e9delmet m\u00e9ri, amelyek a le\u00e9g\u00e9s\u00e9rt felel\u0151sek. Nem ny\u00fajt teljes k\u00f6r\u0171 v\u00e9delmet az UVA sugarak ellen, amelyek hozz\u00e1j\u00e1rulnak az id\u0151 el\u0151tti \u00f6reged\u00e9shez \u00e9s a b\u0151rr\u00e1k kialakul\u00e1s\u00e1hoz.<\/p>\n<p>\u00dajb\u00f3li alkalmaz\u00e1s: F\u00fcggetlen\u00fcl az SPF-szintt\u0151l, a f\u00e9nyv\u00e9d\u0151 kr\u00e9met k\u00e9t\u00f3r\u00e1nk\u00e9nt, illetve \u00fasz\u00e1s vagy izzad\u00e1s eset\u00e9n gyakrabban kell \u00fajra felvinni. Egyetlen f\u00e9nyv\u00e9d\u0151 sem ny\u00fajt 100% v\u00e9delmet, \u00e9s a folyamatos hat\u00e9konys\u00e1g \u00e9rdek\u00e9ben elengedhetetlen az \u00fajb\u00f3li alkalmaz\u00e1s.<\/p>\n<p>B\u0151rt\u00edpus: Az SPF megv\u00e1laszt\u00e1sa f\u00fcgghet az egy\u00e9n b\u0151rt\u00edpus\u00e1t\u00f3l, nap\u00e9rz\u00e9kenys\u00e9g\u00e9t\u0151l \u00e9s a napoz\u00e1s id\u0151tartam\u00e1t\u00f3l. A vil\u00e1gos vagy \u00e9rz\u00e9keny b\u0151r\u0171ek magasabb SPF-szintet v\u00e1laszthatnak.<\/p>\n<p>Fontolja meg az egy\u00e9b napv\u00e9delmi int\u00e9zked\u00e9seket: A naptejnek egy \u00e1tfog\u00f3 napv\u00e9delmi terv r\u00e9sz\u00e9t kell k\u00e9peznie, bele\u00e9rtve az \u00e1rny\u00e9k keres\u00e9s\u00e9t, a v\u00e9d\u0151ruh\u00e1zat visel\u00e9s\u00e9t \u00e9s a naps\u00fct\u00e9ses cs\u00facsid\u0151 elker\u00fcl\u00e9s\u00e9t.<\/p>\n<p>Min\u00e9l magasabb az SPF, ann\u00e1l jobb?<\/p>\n<p>B\u00e1r logikusnak t\u0171nhet, hogy a magasabb SPF jobb v\u00e9delmet ny\u00fajt, a v\u00e9delem fokozatos n\u00f6veked\u00e9se az SPF-szint emelked\u00e9s\u00e9vel cs\u00f6kken. Az SPF 30 \u00e1ltal\u00e1ban elegend\u0151nek tekinthet\u0151 a legt\u00f6bb ember sz\u00e1m\u00e1ra, \u00e9s jelent\u0151s v\u00e9delmet ny\u00fajt az UVB sugarak ellen. Az SPF 50 valamivel magasabb szint\u0171 v\u00e9delmet biztos\u00edt, \u00e9s bizonyos helyzetekben, p\u00e9ld\u00e1ul hosszabb ideig tart\u00f3 szabadt\u00e9ri tev\u00e9kenys\u00e9gek vagy a napra \u00e9rz\u00e9kenyebb egy\u00e9nek sz\u00e1m\u00e1ra aj\u00e1nlott.<\/p>\n<p>L\u00e9nyeges megjegyezni, hogy semmilyen f\u00e9nyv\u00e9d\u0151 kr\u00e9m nem ny\u00fajt teljes v\u00e9delmet, \u00e9s m\u00e1s napv\u00e9d\u0151 int\u00e9zked\u00e9seket kell alkalmazni, k\u00fcl\u00f6n\u00f6sen intenz\u00edv naps\u00fct\u00e9sben. Ezenk\u00edv\u00fcl az UVA v\u00e9delem, amelyet az SPF nem jelez, d\u00f6nt\u0151 fontoss\u00e1g\u00fa az \u00e1ltal\u00e1nos napv\u00e9delem szempontj\u00e1b\u00f3l. Olyan sz\u00e9les spektrum\u00fa f\u00e9nyv\u00e9d\u0151 kr\u00e9meket keressen, amelyek az UVA \u00e9s az UVB sugarak ellen is v\u00e9denek.<\/p>\n<p>A megfelel\u0151 f\u00e9nyv\u00e9d\u0151 faktor kiv\u00e1laszt\u00e1sa v\u00e9gs\u0151 soron olyan egy\u00e9ni t\u00e9nyez\u0151kt\u0151l f\u00fcgg, mint a b\u0151rt\u00edpus, a tervezett napoz\u00e1s id\u0151tartama \u00e9s a szem\u00e9lyes preferenci\u00e1k. C\u00e9lszer\u0171 konzult\u00e1lni egy b\u0151rgy\u00f3gy\u00e1sszal, hogy szem\u00e9lyre szabott aj\u00e1nl\u00e1sokat kapjon a b\u0151r egyedi ig\u00e9nyei \u00e9s probl\u00e9m\u00e1i alapj\u00e1n.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Gyakorlati v\u00e1s\u00e1rl\u00e1si ellen\u0151rz\u0151lista UV fest\u00e9kalkalmaz\u00e1sokhoz<\/h2>\n<p>UV-nyomtat\u00e1sn\u00e1l a legjobb technikai d\u00f6nt\u00e9s \u00e1ltal\u00e1ban a kikem\u00e9nyed\u00e9si teljes\u00edtm\u00e9ny \u00e9s a nyomtat\u00e1si viselked\u00e9s egyens\u00faly\u00e1b\u00f3l ad\u00f3dik. A csapatok \u00e1ltal\u00e1ban akkor \u00e9rik el a leger\u0151sebb eredm\u00e9nyt, ha az alapanyag illeszked\u00e9s\u00e9t, a gy\u00e1rt\u00f3sor sebess\u00e9g\u00e9t, a k\u00e9pmin\u0151s\u00e9get \u00e9s a kikem\u00e9nyed\u00e9s ut\u00e1ni tart\u00f3ss\u00e1got egy\u00fcttesen vizsg\u00e1lj\u00e1k, ahelyett, hogy csak egyetlen v\u00e1ltoz\u00f3t optimaliz\u00e1ln\u00e1nak.<\/p>\n<ul>\n<li><strong>P\u00e1ros\u00edtsa a csomagol\u00e1st a nyomtat\u00e1si m\u00f3dszerrel:<\/strong> A tintasugaras, m\u00e9lynyom\u00e1sos, magasnyom\u00e1s\u00fa, tamponnyom\u00e1sos, szitanyom\u00e1sos \u00e9s c\u00edmkenyomtat\u00e1si alkalmaz\u00e1sokhoz elt\u00e9r\u0151 kikem\u00e9nyed\u00e9si \u00e9s viszkozit\u00e1si profilok sz\u00fcks\u00e9gesek.<\/li>\n<li><strong>K\u00e9pmin\u0151s\u00e9g ellen\u0151rz\u00e9se gy\u00f3gy\u00edt\u00f3 hat\u00e1ssal:<\/strong> A leger\u0151sebb inici\u00e1tor vagy monomer \u00fatvonal nem seg\u00edt, ha az \u00e1tvitel, a pontok viselked\u00e9se vagy a film tisztas\u00e1ga romlik.<\/li>\n<li><strong>A tapad\u00e1s ellen\u0151rz\u00e9se a teljes kikem\u00e9nyed\u00e9s ut\u00e1n:<\/strong> Egy fel\u00fcletsz\u00e1raz nyomat k\u00e9s\u0151bb is meghib\u00e1sodhat, ha a m\u00e9lyebb film nem t\u00e9rh\u00e1l\u00f3sodik ki teljesen.<\/li>\n<li><strong>A v\u00e9gleges szubsztr\u00e1tcsal\u00e1d vizsg\u00e1lata:<\/strong> A f\u00f3lia, a f\u00e9m, az \u00fcveg, a pap\u00edr \u00e9s a speci\u00e1lis fel\u00fcletek gyorsan megv\u00e1ltoztathatj\u00e1k ugyanazon csomagol\u00e1s kereskedelmi rangsor\u00e1t.<\/li>\n<\/ul>\n<h3>Aj\u00e1nlott term\u00e9kreferenci\u00e1k<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> Er\u0151s, alacsony s\u00e1rgul\u00e1si ar\u00e1ny\u00fa referencia LED-orient\u00e1lt UV rendszerekhez.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Hasznos, ha egy k\u00e9sz\u00edtm\u00e9nynek er\u0151sebb felsz\u00edv\u00f3d\u00e1st \u00e9s m\u00e9lyebb kikem\u00e9nyed\u00e9si t\u00e1mogat\u00e1st kell ny\u00fajtania.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX alaplap<\/a>:<\/strong> Hasznos hossz\u00fahull\u00e1m\u00fa t\u00e1mogat\u00e1si \u00fatvonal sz\u00e1mos nyomdafest\u00e9k-csomagban.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> Er\u0151s, alacsony viszkozit\u00e1s\u00fa monomer referencia, ha egyar\u00e1nt fontos a kem\u00e9nys\u00e9g \u00e9s a j\u00f3 foly\u00e9konys\u00e1g.<\/li>\n<\/ul>\n<h3>GYIK v\u00e1s\u00e1rl\u00f3knak \u00e9s formul\u00e1l\u00f3knak<\/h3>\n<p><strong>Mi\u00e9rt n\u00e9zhet ki j\u00f3l egy UV-tinta a laborat\u00f3riumi nyomtat\u00e1son, de a nyomdag\u00e9pen probl\u00e9m\u00e1s?<\/strong><br \/>Mivel a nyomtat\u00e1si sebess\u00e9g, a val\u00f3di filmr\u00e9teg, az aljzat kezel\u00e9se \u00e9s a kikem\u00e9nyed\u00e9si energia gyakran olyan korl\u00e1tokat t\u00e1r fel, amelyek egy lassabb vagy egyszer\u0171bb tesztben nem l\u00e1that\u00f3k.<\/p>\n<p><strong>Az UV fest\u00e9kanyagokat csak a leggyorsabb k\u00f6t\u00e9si id\u0151 alapj\u00e1n kell kiv\u00e1lasztani?<\/strong><br \/>Nem. A kereskedelmi szelekci\u00f3nak a nyomtat\u00e1si \u00e9less\u00e9get, a tapad\u00e1st, a sz\u00ednt \u00e9s a hossz\u00fa t\u00e1v\u00fa konzisztenci\u00e1t is v\u00e9denie kell.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Az UVB \u00e9s az UVA sugarak elt\u00e9r\u0151 m\u00e9rt\u00e9kben k\u00e1ros\u00edtj\u00e1k a b\u0151rt. Az UVB sugarak r\u00f6videbb hull\u00e1mhossz\u00faak (290-320 nm) \u00e9s er\u0151sebb energi\u00e1j\u00faak, ami miatt a b\u0151r\u00fcnk v\u00f6r\u00f6s \u00e9s le\u00e9ghet.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-6306","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What does SPF stand for in sunscreen products and does a higher SPF mean better results? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1. 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