{"id":4013,"date":"2024-10-23T19:38:27","date_gmt":"2024-10-23T17:38:27","guid":{"rendered":"https:\/\/reontech.cz\/graphite-gasket-manufacturing\/"},"modified":"2026-04-24T13:17:13","modified_gmt":"2026-04-24T11:17:13","slug":"graphite-gasket-manufacturing","status":"publish","type":"post","link":"https:\/\/reontech.cz\/en\/graphite-gasket-manufacturing\/","title":{"rendered":"Graphite Gasket Manufacturing"},"content":{"rendered":"\n<p>Jedn\u00edm z mnoha materi\u00e1l\u016f, z kter\u00e9ho vyr\u00e1b\u00edme t\u011bsn\u011bn\u00ed je expandovan\u00fd grafit. D\u00edky na\u0161\u00ed technologii CNC v\u00fdroby dok\u00e1\u017eeme z tohoto materi\u00e1l vyrobit jak\u00fdkoliv tvarov\u00fd v\u00fdsek nebo ploch\u00e9 t\u011bsn\u011bn\u00ed a to jak v kusov\u00e9m mno\u017estv\u00ed, tak i ve velk\u00fdch s\u00e9ri\u00edch a to p\u0159esn\u011b a efektivn\u011b.<\/p>\n\n<p>Expandovan\u00fd grafit je specializovan\u00fd materi\u00e1l, kter\u00fd d\u00edky sv\u00e9 v\u00fdjime\u010dn\u00e9 kombinaci vlastnost\u00ed nach\u00e1z\u00ed uplatn\u011bn\u00ed v mnoha aplikac\u00edch zejm\u00e9na pro v\u00fdrobu t\u011bsn\u011bn\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Expandovan\u00fd grafit a jeho hlavn\u00ed vlastnosti<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Dlouhodob\u00e1 teplotn\u00ed odolnost <strong>-200\u00b0C a\u017e +550\u00b0C<\/strong><\/li>\n\n\n\n<li>Maxim\u00e1ln\u00ed provozn\u00ed tlak <strong>200 bar<\/strong><\/li>\n\n\n\n<li>V\u00fdborn\u00e1 chemick\u00e1 odolnost a stabilita<\/li>\n\n\n\n<li>N\u00edzk\u00e1 permeability \u2013 propustnost plyn\u016f<\/li>\n\n\n\n<li>V\u00edce o grafitu, mo\u017enostech v\u00fdroby t\u011bsn\u011bn\u00ed a jeho pou\u017eit\u00ed naleznete n\u00ed\u017ee.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Expandovan\u00fd grafit<\/h2>\n\n<p>Grafit je dostupn\u00fd ve v\u00edce materi\u00e1lov\u00fdch variant\u00e1ch, nicm\u00e9n\u011b nej\u010dast\u011bji u\u017e\u00edvan\u00fdm typem je expendovan\u00fd grafit vyztu\u017een\u00fd vlo\u017ekou z nerezov\u00e9 oceli, kter\u00e1 zlep\u0161uje odolnost a plo\u0161n\u00e9 zat\u00ed\u017een\u00ed materi\u00e1lu a zvl\u00e1\u0161t\u011b u mal\u00fdch tlou\u0161t\u011bk sni\u017euje k\u0159ehkost materi\u00e1lu a zlep\u0161uje manipulaci s n\u00edm.<\/p>\n\n<h2 class=\"wp-block-heading\">Z\u00e1kladn\u00ed vlastnosti materi\u00e1lu pro v\u00fdrobu t\u011bsn\u011bn\u00ed<\/h2>\n\n<figure class=\"wp-block-table ap-basic-table\"><table><tbody><tr><td>Slo\u017een\u00ed<\/td><td>Expandovan\u00fd p\u0159\u00edrodn\u00ed grafit (obsah grafitu &gt;99%) Vlo\u017eka z nerezov\u00e9 oceli AISI 316 o tl. 0,1 mm<\/td><\/tr><tr><td>Barva<\/td><td>\u010cern\u00e1<\/td><\/tr><tr><td>Certifikace a astesty<\/td><td>BAM (kysl\u00edk) | DNV GL | DVGW DIN 30653 (5 bar) | DVGW DIN 3536-6 | FIRE SAFE API607<\/td><\/tr><tr><td>Standardn\u00ed rozm\u011br desky<\/td><td>1000 x 1000 mm | 1500 x 1500 mm<\/td><\/tr><tr><td>Dostupn\u00e9 tlou\u0161\u0165ky<\/td><td>1,0 mm | 1,5 mm | 2,0 mm | 3,0 mm<\/td><\/tr><tr><td>Minim\u00e1ln\u00ed dlouhodob\u00e1 teplota<\/td><td>200 \u00b0C \/ -238 \u00b0F<\/td><\/tr><tr><td>Maxim\u00e1ln\u00ed dlouhodob\u00e1 teplota<\/td><td>550 \u00b0C \/ 1022 \u00b0F<\/td><\/tr><tr><td>Maxim\u00e1ln\u00ed provozn\u00ed tlak<\/td><td>200 bar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Provozn\u00ed tlak v z\u00e1vislosti na provozn\u00ed teplot\u011b<\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"264\" src=\"https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Tekutiny-400x264-1.webp\" alt=\"\" class=\"wp-image-2239\" srcset=\"https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Tekutiny-400x264-1.webp 400w, https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Tekutiny-400x264-1-300x198.webp 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption class=\"wp-element-caption\">Tekutiny<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"264\" src=\"https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Paraplyny-400x264-1.webp\" alt=\"\" class=\"wp-image-2240\" srcset=\"https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Paraplyny-400x264-1.webp 400w, https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Paraplyny-400x264-1-300x198.webp 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption class=\"wp-element-caption\">P\u00e1ra, plyny<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"264\" src=\"https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Agresivni-oleje-1-400x264-1.webp\" alt=\"\" class=\"wp-image-2241\" srcset=\"https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Agresivni-oleje-1-400x264-1.webp 400w, https:\/\/reontech.cz\/wp-content\/uploads\/2025\/09\/Agresivni-oleje-1-400x264-1-300x198.webp 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption class=\"wp-element-caption\">Agresivn\u00ed oleje<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Grafitov\u00e9 t\u011bsn\u011bn\u00ed a jeho vyu\u017eit\u00ed v pr\u016fmyslu<\/h2>\n\n<p>Grafitov\u00e9 t\u011bsn\u011bn\u00ed pat\u0159\u00ed mezi kl\u00ed\u010dov\u00e9 komponenty v pr\u016fmyslov\u00fdch aplikac\u00edch, kde jsou vy\u017eadov\u00e1ny vysok\u00e9 n\u00e1roky na t\u011bsnost, tepelnou odolnost a chemickou stabilitu. D\u00edky sv\u00fdm jedine\u010dn\u00fdm vlastnostem, mezi n\u011b\u017e pat\u0159\u00ed vysok\u00e1 tepeln\u00e1 odolnost, odolnost v\u016f\u010di chemik\u00e1li\u00edm a schopnost p\u0159izp\u016fsobit se nepravideln\u00fdm povrch\u016fm, nach\u00e1z\u00ed grafitov\u00e9 t\u011bsn\u011bn\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v r\u016fzn\u00fdch odv\u011btv\u00edch pr\u016fmyslu.<\/p>\n\n<h2 class=\"wp-block-heading\">Vlastnosti grafitov\u00e9ho t\u011bsn\u011bn\u00ed<\/h2>\n\n<p>Grafitov\u00e9 t\u011bsn\u011bn\u00ed je vyrobeno z expandovan\u00e9ho grafitu, co\u017e je materi\u00e1l s v\u00fdjime\u010dn\u00fdmi fyzik\u00e1ln\u00edmi a chemick\u00fdmi vlastnostmi:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Tepeln\u00e1 odolnost<\/strong> \u2013 Grafitov\u00e9 t\u011bsn\u011bn\u00ed je schopn\u00e9 odol\u00e1vat teplot\u00e1m a\u017e 3000 \u00b0C v inertn\u00edm prost\u0159ed\u00ed a p\u0159ibli\u017en\u011b 550 \u00b0C v oxida\u010dn\u00edch prost\u0159ed\u00edch.<\/li>\n\n\n\n<li><strong>Chemick\u00e1 stabilita<\/strong> \u2013 Odol\u00e1v\u00e1 \u0161irok\u00e9mu spektru agresivn\u00edch chemik\u00e1li\u00ed, kyselin, z\u00e1sad a organick\u00fdch rozpou\u0161t\u011bdel.<\/li>\n\n\n\n<li><strong>V\u00fdborn\u00e1 t\u011bsnic\u00ed schopnost <\/strong>\u2013 D\u00edky sv\u00e9 flexibilit\u011b a schopnosti adaptovat se na nepravideln\u00e9 povrchy dok\u00e1\u017ee vytv\u00e1\u0159et t\u011bsn\u011bn\u00ed i v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch s prom\u011bnliv\u00fdmi tlaky.<\/li>\n\n\n\n<li><strong>N\u00edzk\u00e1 permeabilita<\/strong> \u2013 Grafit je t\u00e9m\u011b\u0159 nepropustn\u00fd pro plyny a kapaliny, co\u017e zaji\u0161\u0165uje efektivn\u00ed ut\u011bsn\u011bn\u00ed i v prost\u0159ed\u00ed s extr\u00e9mn\u00edmi tlaky.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Hlavn\u00ed oblasti vyu\u017eit\u00ed grafitov\u00e9ho t\u011bsn\u011bn\u00ed<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Energetika <\/strong>&#8211; Grafitov\u00e9 t\u011bsn\u011bn\u00ed je \u0161iroce vyu\u017e\u00edv\u00e1no v elektr\u00e1rn\u00e1ch, p\u0159edev\u0161\u00edm ve vysokotlak\u00fdch parn\u00edch kotl\u00edch, kde se uplat\u0148uje jeho vysok\u00e1 odolnost v\u016f\u010di teplot\u00e1m a tlak\u016fm. Pou\u017e\u00edv\u00e1 se k ut\u011bsn\u011bn\u00ed p\u0159\u00edrubov\u00fdch spoj\u016f, ventil\u016f a dal\u0161\u00edch kritick\u00fdch \u010d\u00e1st\u00ed syst\u00e9m\u016f pro p\u0159epravu p\u00e1ry a hork\u00e9 vody.<\/li>\n\n\n\n<li><strong>Petrochemick\u00fd pr\u016fmysl <\/strong>&#8211; V rafineri\u00edch a chemick\u00fdch z\u00e1vodech se grafitov\u00e9 t\u011bsn\u011bn\u00ed pou\u017e\u00edv\u00e1 v prost\u0159ed\u00ed agresivn\u00edch chemik\u00e1li\u00ed a vysok\u00fdch teplot. Typick\u00e9 aplikace zahrnuj\u00ed ut\u011bsn\u011bn\u00ed n\u00e1dob, potrub\u00ed a ventil\u016f vystaven\u00fdch kyselin\u00e1m, z\u00e1sad\u00e1m nebo jin\u00fdm korozivn\u00edm l\u00e1tk\u00e1m.<\/li>\n\n\n\n<li><strong>Chemick\u00fd pr\u016fmysl<\/strong> &#8211; Grafitov\u00e1 t\u011bsn\u011bn\u00ed nach\u00e1zej\u00ed uplatn\u011bn\u00ed p\u0159i v\u00fdrob\u011b chemik\u00e1li\u00ed, kde je t\u0159eba ut\u011bsnit syst\u00e9my p\u0159epravuj\u00edc\u00ed agresivn\u00ed m\u00e9dia za vysok\u00fdch teplot. Grafitov\u00e9 materi\u00e1ly jsou zde nepostradateln\u00e9 d\u00edky sv\u00e9 odolnosti v\u016f\u010di chemick\u00fdm reakc\u00edm, a\u0165 u\u017e jde o v\u00fdrobu kyselin, hnojiv nebo rozpou\u0161t\u011bdel.<\/li>\n\n\n\n<li><strong>Automobilov\u00fd pr\u016fmysl <\/strong>&#8211; V automobilov\u00e9m pr\u016fmyslu jsou grafitov\u00e1 t\u011bsn\u011bn\u00ed pou\u017e\u00edv\u00e1na zejm\u00e9na v motorov\u00fdch syst\u00e9mech, kde se nach\u00e1z\u00ed v prost\u0159ed\u00ed s vysok\u00fdmi teplotami a tlaky. Typick\u00fdm p\u0159\u00edkladem jsou t\u011bsn\u011bn\u00ed v\u00fdfukov\u00fdch syst\u00e9m\u016f nebo hlavy v\u00e1lc\u016f, kde je pot\u0159eba odolat extr\u00e9mn\u00edm teplot\u00e1m, vibrac\u00edm a tlak\u016fm.<\/li>\n\n\n\n<li><strong>Ocel\u00e1\u0159sk\u00fd a hutn\u00ed pr\u016fmysl <\/strong>&#8211; V ocel\u00e1\u0159sk\u00e9m a hutn\u00edm pr\u016fmyslu se grafitov\u00e1 t\u011bsn\u011bn\u00ed pou\u017e\u00edvaj\u00ed ve vysokoteplotn\u00edch aplikac\u00edch, jako jsou pece na taven\u00ed kov\u016f nebo syst\u00e9my pro odvod plyn\u016f a par. D\u00edky sv\u00e9 odolnosti v\u016f\u010di vysok\u00fdm teplot\u00e1m a chemick\u00fdm vliv\u016fm jsou ide\u00e1ln\u00ed pro prost\u0159ed\u00ed, kde b\u011b\u017en\u00e9 t\u011bsnic\u00ed materi\u00e1ly selh\u00e1vaj\u00ed.<\/li>\n\n\n\n<li><strong>Farmaceutick\u00fd pr\u016fmysl <\/strong>&#8211; I v n\u00e1ro\u010dn\u00fdch hygienick\u00fdch podm\u00ednk\u00e1ch farmaceutick\u00e9 v\u00fdroby m\u016f\u017ee b\u00fdt grafitov\u00e9 t\u011bsn\u011bn\u00ed vyu\u017eito, zejm\u00e9na tam, kde se pracuje s vysok\u00fdmi teplotami nebo agresivn\u00edmi chemik\u00e1liemi. P\u0159i v\u00fdrob\u011b l\u00e9\u010div je d\u016fle\u017eit\u00e1 nejen t\u011bsnic\u00ed schopnost, ale i chemick\u00e1 inertnost materi\u00e1lu, aby nedoch\u00e1zelo k zne\u010di\u0161t\u011bn\u00ed produkt\u016f.<\/li>\n<\/ul>\n\n<p>Dal\u0161\u00ed detaily o materi\u00e1lu lze nal\u00e9zt na\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Graphite\" target=\"_blank\" rel=\"noreferrer noopener\">tomto odkazu<\/a>.<\/p>\n\n<h2 class=\"wp-block-heading\">Technick\u00e9 vlastnosti materi\u00e1lu<\/h2>\n\n<p>V tabulce naleznete podrobn\u00e9 vlastnosti expandovan\u00e9ho grafitu, kter\u00fd se vyu\u017e\u00edv\u00e1 pro v\u00fdrobu t\u011bsn\u011bn\u00ed. Tyto vlastnosti byly testov\u00e1ny na materi\u00e1lu tl. 1,5 mm.<\/p>\n\n<figure class=\"wp-block-table ap-header-table\"><table><thead><tr><th>Vlastnost<\/th><th>Norma<\/th><th>Jednotka<\/th><th>Hodnota<\/th><\/tr><\/thead><tbody><tr><td><strong>Hustota<\/strong><\/td><td>DIN 28090-2<\/td><td>g\/cm3<\/td><td>1,5<\/td><\/tr><tr><td><strong>Hustota (\u010dist\u00fd grafit)<\/strong><\/td><td>DIN 28090-2<\/td><td>g\/cm3<\/td><td>1,0<\/td><\/tr><tr><td>Celkov\u00fd obsah s\u00edry<\/td><td>ASTM D5016<\/td><td>ppm<\/td><td>\/<\/td><\/tr><tr><td>Obsah chlorid\u016f<\/td><td>FSA NMG 202<\/td><td>ppm<\/td><td>20<\/td><\/tr><tr><td>Obsah fluorid\u016f<\/td><td>FSA NMG 203<\/td><td>ppm<\/td><td>20<\/td><\/tr><tr><td>Obsah popela<\/td><td>DIN 51903<\/td><td>%<\/td><td>&lt;1<\/td><\/tr><tr><td><strong>Stla\u010ditelnost<\/strong><\/td><td>ASTM F36A<\/td><td>%<\/td><td>35<\/td><\/tr><tr><td><strong>Zotaven\u00ed<\/strong><\/td><td>ASTM F36A<\/td><td>%<\/td><td>17<\/td><\/tr><tr><td><strong>Zbytkov\u00e9 pnut\u00ed<\/strong> (50 MPa, 300\u00b0C, 16 h)<\/td><td>DIN 52913<\/td><td>MPa<\/td><td>49<\/td><\/tr><tr><td><strong>Specific leak rate<\/strong><\/td><td>DIN 3535-6<\/td><td>mg\/(s\u00b7m)<\/td><td>0,05<\/td><\/tr><tr><td><strong>Modul komprese<\/strong><\/td><td>DIN 28090-2<\/td><td><\/td><td><\/td><\/tr><tr><td>&#8211; V pokojov\u00e9 teplot\u011b: \u03b5KSW<\/td><td><\/td><td>%<\/td><td>34<\/td><\/tr><tr><td>&#8211; Ve zv\u00fd\u0161en\u00e9 teplot\u011b: \u03b5KSW\/300\u00b0C<\/td><td><\/td><td>%<\/td><td>1,2<\/td><\/tr><tr><td><strong>Creep relaxation<\/strong><\/td><td>DIN 28090-2<\/td><td><\/td><td><\/td><\/tr><tr><td>&#8211; V pokojov\u00e9 teplot\u011b: \u03b5KSW<\/td><td><\/td><td><\/td><td>4,2<\/td><\/tr><tr><td>&#8211; Ve zv\u00fd\u0161en\u00e9 teplot\u011b: \u03b5KSW\/300\u00b0C<\/td><td><\/td><td><\/td><td>3,3<\/td><\/tr><tr><td><strong>Provozn\u00ed podm\u00ednky<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>&#8211; Minim\u00e1ln\u00ed dlouhodob\u00e1 teplota<\/td><td><\/td><td>\u00b0C\/\u00b0F<\/td><td>-200\/-328<\/td><\/tr><tr><td>&#8211; Maxim\u00e1ln\u00ed dlouhodob\u00e1 teplota<\/td><td><\/td><td>\u00b0C\/\u00b0F<\/td><td>550\/1022<\/td><\/tr><tr><td>&#8211; Maxim\u00e1ln\u00ed provozn\u00ed tlak<\/td><td><\/td><td>bar<\/td><td>200<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Jedn\u00edm z mnoha materi\u00e1l\u016f, z kter\u00e9ho vyr\u00e1b\u00edme t\u011bsn\u011bn\u00ed je expandovan\u00fd grafit. D\u00edky na\u0161\u00ed technologii CNC v\u00fdroby dok\u00e1\u017eeme z tohoto materi\u00e1l vyrobit jak\u00fdkoliv tvarov\u00fd v\u00fdsek nebo ploch\u00e9 t\u011bsn\u011bn\u00ed a to jak v kusov\u00e9m mno\u017estv\u00ed, tak i ve velk\u00fdch s\u00e9ri\u00edch a to p\u0159esn\u011b a efektivn\u011b. Expandovan\u00fd grafit je specializovan\u00fd materi\u00e1l, kter\u00fd d\u00edky sv\u00e9 v\u00fdjime\u010dn\u00e9 kombinaci vlastnost\u00ed nach\u00e1z\u00ed [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4010,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-4013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/posts\/4013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/comments?post=4013"}],"version-history":[{"count":2,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/posts\/4013\/revisions"}],"predecessor-version":[{"id":4744,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/posts\/4013\/revisions\/4744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/media\/4010"}],"wp:attachment":[{"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/media?parent=4013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/categories?post=4013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/reontech.cz\/en\/wp-json\/wp\/v2\/tags?post=4013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}