{"id":3735,"date":"2025-11-20T12:58:31","date_gmt":"2025-11-20T11:58:31","guid":{"rendered":"https:\/\/www.rixo.cz\/blog\/?p=3735"},"modified":"2025-11-20T12:58:34","modified_gmt":"2025-11-20T11:58:34","slug":"zimni-nafta","status":"publish","type":"post","link":"https:\/\/www.rixo.cz\/blog\/zimni-nafta\/","title":{"rendered":"Zimn\u00ed nafta: Kdy a pro\u010d ji tankovat?"},"content":{"rendered":"\n<p>\u0158idi\u010di aut na dieselov\u00fd pohon se s tankov\u00e1n\u00edm spr\u00e1vn\u00e9ho paliva v\u011bt\u0161inou p\u0159\u00edli\u0161 stresovat nemus\u00ed. Kdy\u017e ale autem v zim\u011b moc nejezd\u00edte, vyplat\u00ed se myslet alespo\u0148 na v\u00fdm\u011bnu letn\u00edho paliva v n\u00e1dr\u017ei. Pro\u010d? A od kdy se na \u010derpac\u00edch stanic\u00edch zimn\u00ed nafta prod\u00e1v\u00e1? Na tyto ot\u00e1zky v\u00e1m odpov\u00ed tento \u010dl\u00e1nek.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Co se v \u010dl\u00e1nku dozv\u00edte?<\/h2><nav><ul><li class=\"\"><a href=\"#co-je-vlastne-zimni-nafta\">Co je vlastn\u011b zimn\u00ed nafta?\u00a0<\/a><\/li><li class=\"\"><a href=\"#kdy-se-prodava-zimni-nafta\">Kdy se prod\u00e1v\u00e1 zimn\u00ed nafta?<\/a><\/li><li class=\"\"><a href=\"#jaka-jsou-rizika-letni-nafty-v-zime\">Jak\u00e1 jsou rizika letn\u00ed nafty v zim\u011b?<\/a><\/li><li class=\"\"><a href=\"#pomuze-pri-zamrznuti-nafty-pojisteni\">Pom\u016f\u017ee p\u0159i zamrznut\u00ed nafty poji\u0161t\u011bn\u00ed?\u00a0<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"co-je-vlastne-zimni-nafta\">Co je vlastn\u011b zimn\u00ed nafta?&nbsp;<\/h2>\n\n\n\n<p>Zat\u00edmco benz\u00edn ani v tuh\u00e9 zim\u011b do -40 \u00b0C nezamrz\u00e1, <strong>nafta <\/strong>m\u00e1 jin\u00e9 slo\u017een\u00ed a ta \u201coby\u010dejn\u00e1\u201d <strong>za\u010d\u00edn\u00e1 tuhnout <\/strong>a tvo\u0159it paraf\u00ednov\u00e9 krystalky <strong>u\u017e p\u0159i bodu mrazu<\/strong>, co\u017e m\u016f\u017ee v\u00e9st k ucp\u00e1n\u00ed palivov\u00e9ho syst\u00e9mu, probl\u00e9m\u016fm se startov\u00e1n\u00edm a v nejhor\u0161\u00edch p\u0159\u00edpadech i k po\u0161kozen\u00ed motoru. <strong>Zimn\u00ed nafta<\/strong> je tedy chemicky upraven\u00e1 pr\u00e1v\u011b proto, aby odol\u00e1vala n\u00edzk\u00fdm teplot\u00e1m a zajistila spolehliv\u00fd chod naftov\u00fdch motor\u016f i v mraziv\u00fdch dnech.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kdy-se-prodava-zimni-nafta\">Kdy se prod\u00e1v\u00e1 zimn\u00ed nafta?<\/h2>\n\n\n\n<p>Nafta, kter\u00e1 se prod\u00e1v\u00e1 na \u010derpac\u00edch stanic\u00edch, se d\u011bl\u00ed podle sez\u00f3n na t\u0159i hlavn\u00ed typy:<strong> letn\u00ed, p\u0159echodovou a zimn\u00ed<\/strong>. Tyto varianty se li\u0161\u00ed p\u0159edev\u0161\u00edm tzv. <strong>teplotou filtrovatelnosti<\/strong>. Tento parametr ud\u00e1v\u00e1, p\u0159i jak n\u00edzk\u00e9 teplot\u011b je palivo je\u0161t\u011b schopno proch\u00e1zet palivov\u00fdm filtrem bez toho, aby se v n\u011bm za\u010daly usazovat parafinov\u00e9 krystaly.<\/p>\n\n\n\n<p><strong>Letn\u00ed nafta <\/strong>m\u00e1 teplotu filtrovatelnosti obvykle kolem <strong>0 \u00b0C<\/strong>, a proto je vhodn\u00e1 pouze pro teplej\u0161\u00ed obdob\u00ed. Na \u010derpac\u00edch stanic\u00edch se prod\u00e1v\u00e1 v\u017edy od <strong>poloviny dubna a\u017e do konce z\u00e1\u0159\u00ed<\/strong>. <strong>P\u0159echodov\u00e1 nafta<\/strong>, kterou \u010derpac\u00ed stanice nab\u00edzej\u00ed v\u011bt\u0161inou od<strong> za\u010d\u00e1tku \u0159\u00edjna do poloviny listopadu<\/strong> a na ja\u0159e pak od <strong>za\u010d\u00e1tku b\u0159ezna do poloviny dubna<\/strong>, m\u00e1 filtrovatelnost p\u0159ibli\u017en\u011b do<strong> -10 \u00b0C<\/strong>.&nbsp;<\/p>\n\n\n\n<p><strong>Zimn\u00ed nafta<\/strong> se pak odli\u0161uje v\u00fdrazn\u011b lep\u0161\u00ed odolnost\u00ed a\u017e do<strong> -20 \u00b0C<\/strong> a na \u010derpac\u00edch stanic\u00edch ji najdete od <strong>za\u010d\u00e1tku prosince a\u017e do konce \u00fanora<\/strong>. V zimn\u00edch m\u011bs\u00edc\u00edch m\u016f\u017eete na n\u011bkter\u00fdch stanic\u00edch naj\u00edt i tzv. <strong>arktickou naftu<\/strong>, kter\u00e1 je filtrovateln\u00e1 a\u017e do <strong>-32 \u00b0C<\/strong>, nicm\u00e9n\u011b \u010desk\u00e1 legislativa ji nevy\u017eaduje a sp\u00ed\u0161e ji najdete v horsk\u00fdch oblastech.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Typ nafty<\/strong><\/td><td><strong>Doba prodeje<\/strong><\/td><td><strong>Teplota filtrovatelnosti<\/strong><\/td><\/tr><tr><td>Letn\u00ed nafta (t\u0159\u00edda B)<\/td><td>15.4.-30.9.<\/td><td>0 \u00b0C<\/td><\/tr><tr><td>P\u0159echodov\u00e1 nafta (t\u0159\u00edda D)<\/td><td>1.10.-15.11., 1.3.-15.4.<\/td><td>-10 \u00b0C<\/td><\/tr><tr><td>Zimn\u00ed nafta (t\u0159\u00edda F)<\/td><td>1.12.-28.2.<\/td><td>-20 \u00b0C<\/td><\/tr><tr><td>Arktick\u00e1 nafta (t\u0159\u00edda 2)<\/td><td>nen\u00ed ur\u010den\u00e1<\/td><td>-32 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"jaka-jsou-rizika-letni-nafty-v-zime\">Jak\u00e1 jsou rizika letn\u00ed nafty v zim\u011b?<\/h2>\n\n\n\n<p>Pokud v n\u00e1dr\u017ei va\u0161eho auta i v mrazech nech\u00e1te letn\u00ed naftu, probl\u00e9my se nemus\u00ed projevit hned. Pot\u00ed\u017ee za\u010dnou p\u0159ich\u00e1zet a\u017e p\u0159i teplot\u00e1ch <strong>kolem -5 a\u017e -10 \u00b0C<\/strong>. Palivo za\u010dne houstnout, n\u00e1sledn\u011b se vytvo\u0159\u00ed parafinov\u00e9 vlo\u010dky, kter\u00e9 se zachyt\u00ed na s\u00edtku palivov\u00e9ho filtru. Motor ztrat\u00ed v\u00fdkon, za\u010dne cukat a po chv\u00edli tak\u00e9 m\u016f\u017ee doj\u00edt k jeho \u00fapln\u00e9mu zastaven\u00ed.<\/p>\n\n\n\n<p>V takov\u00e9m p\u0159\u00edpad\u011b nepom\u016f\u017ee ani opakovan\u00e9 startov\u00e1n\u00ed, proto\u017ee nafta u\u017e neprot\u00e9k\u00e1 palivov\u00fdm syst\u00e9mem. \u00da\u010dinn\u00fdm \u0159e\u0161en\u00edm b\u00fdv\u00e1<strong> odtah do vyh\u0159\u00e1t\u00e9 gar\u00e1\u017ee<\/strong>, kde se palivo pozvolna rozpust\u00ed. Pot\u00e9 je vhodn\u00e9 vym\u011bnit palivov\u00fd filtr a natankovat plnou n\u00e1dr\u017e zimn\u00ed nafty.&nbsp;<\/p>\n\n\n\n<p>Zlep\u0161it vlastnosti letn\u00ed nafty v zim\u011b mohou <strong>aditiva<\/strong> br\u00e1n\u00edc\u00ed tuhnut\u00ed nafty, ov\u0161em na jejich pou\u017eit\u00ed si mus\u00edte vzpomenout v\u010das. Pokud toti\u017e aditiva p\u0159id\u00e1te do n\u00e1dr\u017ee a\u017e v moment\u011b, kdy je teplota pod bodem mrazu, nedojde ke k\u00fd\u017een\u00e9 reakci a p\u0159id\u00e1n\u00ed aditiva tedy u\u017e nem\u00e1 \u017e\u00e1dn\u00fd efekt. Pamatujte, \u017ee nafta by p\u0159i aditivaci m\u011bla m\u00edt teplotu <strong>minim\u00e1ln\u011b 5 \u00b0C<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"999\" height=\"562\" src=\"https:\/\/www.rixo.cz\/blog\/wp-content\/themes\/breek\/assets\/images\/transparent.gif\" data-lazy=\"true\" data-src=\"https:\/\/www.rixo.cz\/blog\/wp-content\/uploads\/2025\/11\/close-up-woman-gas-station-1-1-1-edited.jpg\" alt=\"zimn\u00ed nafta\" class=\"wp-image-3741\" data-srcset=\"https:\/\/www.rixo.cz\/blog\/wp-content\/uploads\/2025\/11\/close-up-woman-gas-station-1-1-1-edited.jpg 999w, https:\/\/www.rixo.cz\/blog\/wp-content\/uploads\/2025\/11\/close-up-woman-gas-station-1-1-1-edited-300x169.jpg 300w, https:\/\/www.rixo.cz\/blog\/wp-content\/uploads\/2025\/11\/close-up-woman-gas-station-1-1-1-edited-768x432.jpg 768w, https:\/\/www.rixo.cz\/blog\/wp-content\/uploads\/2025\/11\/close-up-woman-gas-station-1-1-1-edited-100x56.jpg 100w, https:\/\/www.rixo.cz\/blog\/wp-content\/uploads\/2025\/11\/close-up-woman-gas-station-1-1-1-edited-700x394.jpg 700w\" data-sizes=\"(max-width: 999px) 100vw, 999px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pomuze-pri-zamrznuti-nafty-pojisteni\">Pom\u016f\u017ee p\u0159i zamrznut\u00ed nafty poji\u0161t\u011bn\u00ed?&nbsp;<\/h2>\n\n\n\n<p>Kdy\u017e je va\u0161e auto nepoj\u00edzdn\u00e9 kv\u016fli zamrznut\u00ed nafty a vy z\u016fstanete st\u00e1t v m\u00edst\u011b, kde nem\u00e1te \u0161anci sv\u00e9pomoc\u00ed nic ud\u011blat, pom\u016f\u017ee v\u00e1m <strong>asistence<\/strong>, kterou m\u00e1te obsa\u017eenou ve sv\u00e9m <a href=\"https:\/\/www.rixo.cz\/povinne-ruceni\/\"><strong>povinn\u00e9m ru\u010den\u00ed<\/strong><\/a><strong> <\/strong>nebo <a href=\"https:\/\/www.rixo.cz\/havarijni-pojisteni\/\"><strong>havarijn\u00edm poji\u0161t\u011bn\u00ed<\/strong><\/a>. A co konkr\u00e9tn\u011b m\u016f\u017eete od poji\u0161\u0165ovny o\u010dek\u00e1vat? To z\u00e1vis\u00ed na obsahu sjednan\u00e9ho <strong>bal\u00ed\u010dku asisten\u010dn\u00edch slu\u017eeb<\/strong> &#8211; standardem je v\u017edy zaji\u0161t\u011bn\u00ed <a href=\"https:\/\/www.rixo.cz\/blog\/odtah-vozidla-cena\/\"><strong>odtahu<\/strong><\/a>, u vy\u0161\u0161\u00edch variant m\u016f\u017eete v p\u0159\u00edpad\u011b pot\u0159eby dostat i <strong>n\u00e1hradn\u00ed vozidlo<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Kvalitn\u00ed asisten\u010dn\u00ed slu\u017eby ocen\u00edte p\u0159i jak\u00e9koliv pat\u00e1lii &#8211; od oby\u010dejn\u00e9 boura\u010dky p\u0159es <a href=\"https:\/\/www.rixo.cz\/blog\/vybita-autobaterie-v-zime\/\"><strong>vybit\u00ed autobaterie<\/strong><\/a> a\u017e po <a href=\"https:\/\/www.rixo.cz\/blog\/pichla-pneumatika-jak-predejit-defektu-pneumatiky-a-jak-pomuze-pojisteni\/\"><strong>defekt pneumatiky<\/strong><\/a>. Hled\u00e1te poji\u0161t\u011bn\u00ed, kter\u00e9 v\u00e1s ochr\u00e1n\u00ed v ka\u017ed\u00e9 situaci? Srovnejte si povinn\u00e9 ru\u010den\u00ed nebo havarijn\u00ed poji\u0161t\u011bn\u00ed pro va\u0161e auto na RIXO.cz a my v\u00e1m b\u011bhem minutky nalezneme v\u00fdhodn\u00e9 poji\u0161t\u011bn\u00ed s asistenc\u00ed, na kterou se budete moci v\u017edy spolehnout.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-1 wp-block-group-is-layout-flex\">\n<iframe loading=\"lazy\" height=\"450\" width=\"400\" frameborder=\"0\" data-lazy=\"true\" data-src=\"https:\/\/www.rixo.cz\/forms\/vehicle-insurance-form\/\"><\/iframe>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0158idi\u010di aut na dieselov\u00fd pohon se s tankov\u00e1n\u00edm spr\u00e1vn\u00e9ho paliva v\u011bt\u0161inou p\u0159\u00edli\u0161 stresovat nemus\u00ed. Kdy\u017e ale autem v zim\u011b moc nejezd\u00edte, vyplat\u00ed se myslet alespo\u0148 na v\u00fdm\u011bnu letn\u00edho paliva v n\u00e1dr\u017ei. Pro\u010d? A od kdy se na \u010derpac\u00edch stanic\u00edch zimn\u00ed nafta prod\u00e1v\u00e1? Na tyto ot\u00e1zky v\u00e1m odpov\u00ed tento \u010dl\u00e1nek.\u00a0<\/p>\n","protected":false},"author":11,"featured_media":3738,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[7,6],"tags":[17],"acf":[],"_links":{"self":[{"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/posts\/3735"}],"collection":[{"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/comments?post=3735"}],"version-history":[{"count":3,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/posts\/3735\/revisions"}],"predecessor-version":[{"id":3742,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/posts\/3735\/revisions\/3742"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/media\/3738"}],"wp:attachment":[{"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/media?parent=3735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/categories?post=3735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rixo.cz\/blog\/wp-json\/wp\/v2\/tags?post=3735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}