{"id":2650,"date":"2018-06-05T09:34:24","date_gmt":"2018-06-05T07:34:24","guid":{"rendered":"https:\/\/lekra.eu\/?p=2650"},"modified":"2019-08-19T10:47:13","modified_gmt":"2019-08-19T08:47:13","slug":"vlnita-lepenka","status":"publish","type":"post","link":"https:\/\/lekra.eu\/?p=2650","title":{"rendered":"Vlnit\u00e1 lepenka"},"content":{"rendered":"\n<p>Dnes som si pre V\u00e1s pripravila \u010dl\u00e1nok o vlnitej lepenke a jej z\u00e1kladn\u00fdch vlastnostiach.<\/p>\n\n\n\n<p>Vlnit\u00e1 lepenka je papierov\u00fd materi\u00e1l skladaj\u00faci sa z&nbsp;vlnitej\nvrstvy a&nbsp;jednej, alebo dvoch vrstiev hladk\u00fdch papierov. T\u00fdchto vrstiev\nm\u00f4\u017ee by\u0165 viac a&nbsp;v&nbsp;z\u00e1vislosti od ich po\u010dtu pozn\u00e1me lepenky:<\/p>\n\n\n\n<ul><li>3-vrstvovej (2 rovn\u00e9 vrstvy, 1 vlnit\u00e1 vrstva)<\/li><li>4-vrstvovej (2 rovn\u00e9 vrstvy, 2&nbsp;vlnit\u00e9\nvrstvy)<\/li><li>5-vrstvovej (3 rovn\u00e9 vrstvy,&nbsp;2 vlnit\u00e9\nvrstvy)<\/li><li>7-vrstvovej (4 rovn\u00e9 vrstvy, 3 vlnit\u00e9 vrstvy)<\/li><\/ul>\n\n\n\n<p>Pozn\u00e1me tie\u017e typ lepenky, kedy je vlnit\u00e1 \u010das\u0165 zlepen\u00e1 len\njednou vrstvou hladk\u00e9ho papiera, zvlnen\u00e1 \u010das\u0165 je vidite\u013en\u00e1 a&nbsp;vtedy hovor\u00edme\no&nbsp;lepenke 2-vrstvovej, ktorej hladnou prednos\u0165ou je to, \u017ee je ohybn\u00e1.<\/p>\n\n\n\n<p>Odborne sa vlnit\u00e1 lepenka ozna\u010duje p\u00edsmenami A&nbsp;B C E a&nbsp;F\na&nbsp;na z\u00e1klade tohto ozna\u010denie vieme identifikova\u0165 v\u00fd\u0161ku pou\u017eitej vlny:<\/p>\n\n\n\n<table class=\"wp-block-table\"><tbody><tr><td>\n  Ozna\u010denie vlny\n  <\/td><td>\n  Koeficient zvlnenia\n  <\/td><td>\n  V\u00fd\u0161ka vlny (mm)\n  <\/td><\/tr><tr><td>\n  A\n  <\/td><td>\n  1,08\n  <\/td><td>\n  4,4 &#8211; ,05\n  <\/td><\/tr><tr><td>\n  B\n  <\/td><td>\n  1,54\n  <\/td><td>\n  2,0 &#8211; 3,2\n  <\/td><\/tr><tr><td>\n  C\n  <\/td><td>\n  1,28\n  <\/td><td>\n  3,5 &#8211; 4,2 \n  <\/td><\/tr><tr><td>\n  E\n  <\/td><td>\n  2,95\n  <\/td><td>\n  1,2 \u2013 1,6\n  <\/td><\/tr><tr><td>\n  F\n  <\/td><td>\n  4,20\n  <\/td><td>\n  0,8 \u2013 1,1\n  <\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>Pri vlnit\u00fdch lepenk\u00e1ch sledujeme \u010fal\u0161ie d\u00f4le\u017eit\u00e9 parametre:<\/p>\n\n\n\n<ul><li>gram\u00e1\u017e v&nbsp;jednotliv\u00fdch vrstv\u00e1ch, ale aj\ncelkov\u00fa gram\u00e1\u017e lepenky<\/li><li>typ pou\u017eit\u00e9ho materi\u00e1l (craft, testliner&#8230;)<\/li><li>typ vlny<\/li><li>sila v&nbsp;pretlaku, ktor\u00fa meriame v&nbsp;kPa a&nbsp;tie\u017e\nsila odolnosti hrany meran\u00fa v&nbsp;kN\/m<\/li><li>typ povrchovej \u00fapravy<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"377\" height=\"325\" src=\"https:\/\/lekra.eu\/wp-content\/uploads\/2019\/03\/product-500x500.jpeg\" alt=\"\" class=\"wp-image-2651\" srcset=\"https:\/\/lekra.eu\/wp-content\/uploads\/2019\/03\/product-500x500.jpeg 377w, https:\/\/lekra.eu\/wp-content\/uploads\/2019\/03\/product-500x500-300x259.jpeg 300w\" sizes=\"(max-width: 377px) 100vw, 377px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dnes som si pre V\u00e1s pripravila \u010dl\u00e1nok o vlnitej lepenke a jej z\u00e1kladn\u00fdch vlastnostiach. Vlnit\u00e1 lepenka je papierov\u00fd materi\u00e1l skladaj\u00faci sa z&nbsp;vlnitej vrstvy a&nbsp;jednej, alebo dvoch vrstiev hladk\u00fdch papierov. T\u00fdchto vrstiev m\u00f4\u017ee by\u0165 viac a&nbsp;v&nbsp;z\u00e1vislosti od ich po\u010dtu pozn\u00e1me lepenky: 3-vrstvovej (2 rovn\u00e9 vrstvy, 1 vlnit\u00e1 vrstva) 4-vrstvovej (2 rovn\u00e9 vrstvy, 2&nbsp;vlnit\u00e9 vrstvy) 5-vrstvovej (3 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/lekra.eu\/?p=2650\" class=\"more-link\">Pokra\u010dova\u0165 v \u010d\u00edtan\u00ed<span class=\"screen-reader-text\"> &#8220;Vlnit\u00e1 lepenka&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[3],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v14.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vlnit\u00e1 lepenka - LEKRA, s.r.o.<\/title>\n<meta name=\"robots\" content=\"index, follow\" \/>\n<meta name=\"googlebot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta name=\"bingbot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lekra.eu\/?p=2650\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vlnit\u00e1 lepenka - LEKRA, s.r.o.\" \/>\n<meta property=\"og:description\" content=\"Dnes som si pre V\u00e1s pripravila \u010dl\u00e1nok o vlnitej lepenke a jej z\u00e1kladn\u00fdch vlastnostiach. Vlnit\u00e1 lepenka je papierov\u00fd materi\u00e1l skladaj\u00faci sa z&nbsp;vlnitej vrstvy a&nbsp;jednej, alebo dvoch vrstiev hladk\u00fdch papierov. T\u00fdchto vrstiev m\u00f4\u017ee by\u0165 viac a&nbsp;v&nbsp;z\u00e1vislosti od ich po\u010dtu pozn\u00e1me lepenky: 3-vrstvovej (2 rovn\u00e9 vrstvy, 1 vlnit\u00e1 vrstva) 4-vrstvovej (2 rovn\u00e9 vrstvy, 2&nbsp;vlnit\u00e9 vrstvy) 5-vrstvovej (3 &hellip; Pokra\u010dova\u0165 v \u010d\u00edtan\u00ed &quot;Vlnit\u00e1 lepenka&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lekra.eu\/?p=2650\" \/>\n<meta property=\"og:site_name\" content=\"LEKRA, s.r.o.\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/lekra.sro\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-06-05T07:34:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-08-19T08:47:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lekra.eu\/wp-content\/uploads\/2019\/03\/product-500x500.jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lekra.eu\/#website\",\"url\":\"https:\/\/lekra.eu\/\",\"name\":\"www.lekra.eu\",\"description\":\"V\\u00c1\\u0160 PARTNER PRE OBALY\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/lekra.eu\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"sk-SK\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/lekra.eu\/?p=2650#primaryimage\",\"inLanguage\":\"sk-SK\",\"url\":\"https:\/\/lekra.eu\/wp-content\/uploads\/2019\/03\/product-500x500.jpeg\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lekra.eu\/?p=2650#webpage\",\"url\":\"https:\/\/lekra.eu\/?p=2650\",\"name\":\"Vlnit\\u00e1 lepenka - LEKRA, s.r.o.\",\"isPartOf\":{\"@id\":\"https:\/\/lekra.eu\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/lekra.eu\/?p=2650#primaryimage\"},\"datePublished\":\"2018-06-05T07:34:24+00:00\",\"dateModified\":\"2019-08-19T08:47:13+00:00\",\"author\":{\"@id\":\"https:\/\/lekra.eu\/#\/schema\/person\/e5e15a1e8225796d02417840c766d07b\"},\"inLanguage\":\"sk-SK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lekra.eu\/?p=2650\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/lekra.eu\/#\/schema\/person\/e5e15a1e8225796d02417840c766d07b\",\"name\":\"lekra\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/lekra.eu\/#personlogo\",\"inLanguage\":\"sk-SK\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/4fc00e4e5790cc06db150ec48453094c?s=96&d=mm&r=g\",\"caption\":\"lekra\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/lekra.eu\/index.php?rest_route=\/wp\/v2\/posts\/2650"}],"collection":[{"href":"https:\/\/lekra.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lekra.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lekra.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lekra.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2650"}],"version-history":[{"count":2,"href":"https:\/\/lekra.eu\/index.php?rest_route=\/wp\/v2\/posts\/2650\/revisions"}],"predecessor-version":[{"id":2653,"href":"https:\/\/lekra.eu\/index.php?rest_route=\/wp\/v2\/posts\/2650\/revisions\/2653"}],"wp:attachment":[{"href":"https:\/\/lekra.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lekra.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lekra.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}