{"id":5884,"date":"2025-12-06T18:16:03","date_gmt":"2025-12-06T18:16:03","guid":{"rendered":"https:\/\/www.vaseuzemneni.cz\/?p=5884"},"modified":"2025-12-06T18:32:58","modified_gmt":"2025-12-06T18:32:58","slug":"porovnani-vodivosti-prosteradel","status":"publish","type":"post","link":"https:\/\/www.vaseuzemneni.cz\/sk\/porovnani-vodivosti-prosteradel\/","title":{"rendered":"Porovn\u00e1n\u00ed vodivosti podlo\u017eek a&nbsp;prost\u011bradel"},"content":{"rendered":"<p><em>Dotaz: Va\u0161e uzem\u0148ovac\u00ed prost\u011bradla vyu\u017e\u00edvaj\u00ed jako vodivou slo\u017eku nerezov\u00e1 vl\u00e1kna, kter\u00e1 jsou mnohem m\u00e9n\u011b vodiv\u00e1 ne\u017e st\u0159\u00edbrn\u00e1. Z&nbsp;jak\u00e9ho d\u016fvodu tedy uv\u00e1d\u00edte, \u017ee je \u00fa\u010dinnost v\u011bt\u0161\u00ed ne\u017e u&nbsp;podlo\u017eek se st\u0159\u00edbrn\u00fdmi nebo karbonov\u00fdmi vl\u00e1kny? <\/em><\/p>\n\n\n\n<p>Ano m\u00e1te pravdu, st\u0159\u00edbro jako vodi\u010d m\u00e1 vodivost jist\u011b v\u011bt\u0161\u00ed ne\u017e nerezov\u00e1 ocel. Ov\u0161em za p\u0159edpokladu, \u017ee porovn\u00e1v\u00e1me stejn\u00fd pr\u016fm\u011br vodi\u010de. Ten hlavn\u00ed rozd\u00edl u&nbsp;na\u0161eho prost\u011bradla&nbsp; je v&nbsp;tom, \u017ee v&nbsp;l\u00e1tce je opravdu 30% nerezov\u00fdch vl\u00e1ken (tak\u017ee na prost\u011bradle kter\u00e9 m\u00e1 800g je tam&nbsp;240g nerezov\u00e9 oceli).&nbsp;<\/p>\n\n\n\n<p>Kde\u017eto u&nbsp;prost\u011bradel se st\u0159\u00edbrn\u00fdmi vl\u00e1kny je to trochu jinak. Nejsou to toti\u017e vl\u00e1kna z&nbsp;\u010dist\u00e9ho st\u0159\u00edbra (by\u0165 se b\u011b\u017en\u011b uv\u00e1d\u00ed nap\u0159.&nbsp;\u017ee prost\u011bradlo obsahuje 11% st\u0159\u00edbrn\u00fdch vl\u00e1ken). Jde o&nbsp;nylonov\u00e9 nebo polyesterov\u00e9\u00a0vl\u00e1kno, kter\u00fd bylo post\u0159\u00edb\u0159eno velmi tenkou vrstvou st\u0159\u00edbra. Co\u017e je samoz\u0159ejm\u011b logick\u00e9, proto\u017ee kdyby\u00a0v prost\u011bradle opravdu m\u011blo b\u00fdt 11% st\u0159\u00edbra, znamenalo by to, \u017ee v&nbsp;prost\u011bradle bude 88g st\u0159\u00edbra&#8230; tr\u017en\u00ed cena 100g st\u0159\u00edbra je cca na 4000&nbsp;K\u010d. Tak\u017ee cena takov\u00e9ho prost\u011bradla by musela b\u00fdt mnoho n\u00e1sobn\u011b vy\u0161\u0161\u00ed aby na tom v\u00fdrobce v\u016fbec mohl m\u00edt n\u011bjak\u00fd profit.<\/p>\n\n\n\n<p>A to se dost\u00e1v\u00e1me k&nbsp;j\u00e1dru pudla&#8230; ve skute\u010dnosti je tedy v&nbsp;prost\u011bradle st\u0159\u00edbra mnohon\u00e1sobn\u011b m\u00e9n\u011b. Nem\u00e1m to nijak zm\u011b\u0159en\u00e9 v\u00e1hov\u011b, ale opravdu jde o&nbsp;vrstvu st\u0159\u00edbra v&nbsp;mikrometrech&#8230; tak\u017ee jestli\u017ee m\u00e1me 88g &#8222;st\u0159\u00edbrn\u00fdch&#8220; vl\u00e1ken, tak z&nbsp;toho fyzick\u00e9ho st\u0159\u00edbra bude tak 1%, mo\u017en\u00e1 ani to ne.&nbsp;<\/p>\n\n\n\n<p>Toto je d\u016fvod pro\u010d\u00a0je na\u0161e prost\u011bradlo vodiv\u011bj\u0161\u00ed, obsah kovu je toti\u017e mnohon\u00e1sobn\u011b v\u011bt\u0161\u00ed. <\/p>\n\n\n\n<p>A toto z\u00e1rove\u0148 vysv\u011btluje i&nbsp;men\u0161\u00ed trvanlivost, proto\u017ee ta mikro vrstva st\u0159\u00edbra na nylonov\u00e9m vl\u00e1knu m\u00e1 tendenci se pran\u00edm a&nbsp;ma\u010dk\u00e1n\u00edm l\u00e1mat a&nbsp;t\u00edm p\u00e1dem se po&nbsp;opakovan\u00e9m pran\u00ed vodivost s&nbsp;\u010dasem sni\u017euje.<\/p>\n\n\n\n<p>Pro srovn\u00e1n\u00ed, m\u011brn\u00fd odpor na\u0161eho prost\u011bradla s&nbsp;nerezov\u00fdmi vl\u00e1kny je cca 1100 Ohm\u016f\/50cm a&nbsp;podlo\u017eka s&nbsp;uhl\u00edkovou vrstvou m\u00e1 m\u011brn\u00fd odpor cca 6500 Ohm\u016f\/50cm. Bohu\u017eel nem\u00e1me aktu\u00e1ln\u011b k&nbsp;dispozici prost\u011bradlo se st\u0159\u00edbrn\u00fdmi vl\u00e1kny, tak\u017ee konkr\u00e9tn\u00ed m\u011b\u0159enou hodnotu odporu aktu\u00e1ln\u011b nem\u016f\u017eeme poskytnout.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Dotaz: Va\u0161e uzem\u0148ovac\u00ed prost\u011bradla vyu\u017e\u00edvaj\u00ed jako vodivou slo\u017eku nerezov\u00e1 vl\u00e1kna, kter\u00e1 jsou mnohem m\u00e9n\u011b vodiv\u00e1 ne\u017e st\u0159\u00edbrn\u00e1. Z&nbsp;jak\u00e9ho d\u016fvodu tedy uv\u00e1d\u00edte, \u017ee je \u00fa\u010dinnost v\u011bt\u0161\u00ed ne\u017e u&nbsp;podlo\u017eek se st\u0159\u00edbrn\u00fdmi nebo karbonov\u00fdmi vl\u00e1kny? Ano m\u00e1te pravdu, st\u0159\u00edbro jako vodi\u010d m\u00e1 vodivost jist\u011b v\u011bt\u0161\u00ed ne\u017e nerezov\u00e1 ocel. Ov\u0161em za p\u0159edpokladu, \u017ee porovn\u00e1v\u00e1me stejn\u00fd pr\u016fm\u011br vodi\u010de. Ten hlavn\u00ed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5884","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Porovn\u00e1n\u00ed vodivosti podlo\u017eek a prost\u011bradel - Va\u0161eUzemn\u011bn\u00ed.cz - Uzem\u0148ovac\u00ed prost\u011bradla a podlo\u017eky<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vaseuzemneni.cz\/sk\/porovnani-vodivosti-prosteradel\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.vaseuzemneni.cz\\\/porovnani-vodivosti-prosteradel\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\\\/\\\/www.vaseuzemneni.cz\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Porovn\u00e1n\u00ed vodivosti podlo\u017eek a&nbsp;prost\u011bradel\"}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Porovn\u00e1n\u00ed vodivosti podlo\u017eek a prost\u011bradel - Va\u0161eUzemn\u011bn\u00ed.cz - Uzem\u0148ovac\u00ed prost\u011bradla a podlo\u017eky","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.vaseuzemneni.cz\/sk\/porovnani-vodivosti-prosteradel\/","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/www.vaseuzemneni.cz\/porovnani-vodivosti-prosteradel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/www.vaseuzemneni.cz\/"},{"@type":"ListItem","position":2,"name":"Porovn\u00e1n\u00ed vodivosti podlo\u017eek a&nbsp;prost\u011bradel"}]}]}},"_links":{"self":[{"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/posts\/5884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/comments?post=5884"}],"version-history":[{"count":7,"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/posts\/5884\/revisions"}],"predecessor-version":[{"id":5894,"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/posts\/5884\/revisions\/5894"}],"wp:attachment":[{"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/media?parent=5884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/categories?post=5884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vaseuzemneni.cz\/sk\/wp-json\/wp\/v2\/tags?post=5884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}