{"id":169,"count":5,"description":"<div>\r\n<p><img class=\"alignright\" src=\"\/wp-content\/uploads\/2025\/12\/eb11efb4285b6fffac8d.jpg\" alt=\"\" width=\"360\" height=\"240\" \/><strong>N\u00e1zev produktu<\/strong><br \/>\r\nHigh-Purity Alumina Crucible (Al\u2082O\u2083) \u2013 Kel\u00edmek z vysoce \u010dist\u00e9ho oxidu hlinit\u00e9ho (Al\u2082O\u2083)<\/p>\r\n<p><strong>\u00davod do kel\u00edmk\u016f z vysoce \u010dist\u00e9ho oxidu hlinit\u00e9ho<\/strong><strong><br \/>\r\n<\/strong>\u010cistota materi\u00e1lu z vysoce \u010dist\u00e9ho oxidu hlinit\u00e9ho se obvykle pohybuje od 95 % do 99,7 %. Kel\u00edmky z oxidu hlinit\u00e9ho jsou \u0161iroce pou\u017e\u00edv\u00e1ny v pr\u016fmyslov\u00e9 v\u00fdrob\u011b a laboratorn\u00edch prost\u0159ed\u00edch. Jsou jedn\u00edm z nejb\u011b\u017en\u011bji pou\u017e\u00edvan\u00fdch keramick\u00fdch kel\u00edmk\u016f d\u00edky sv\u00e9 vysp\u011bl\u00e9 technologii, dob\u0159e vyv\u00e1\u017een\u00fdm vlastnostem a relativn\u011b ekonomick\u00e9 cen\u011b. Kel\u00edmky z oxidu hlinit\u00e9ho jsou vhodn\u00e9 pro pou\u017eit\u00ed ve st\u0159edn\u011b- a vysokofrekven\u010dn\u00edch induk\u010dn\u00edch pec\u00edch, elektrick\u00fdch pec\u00edch a vakuov\u00fdch pec\u00edch, kde slou\u017e\u00ed jako n\u00e1doby pro zah\u0159\u00edv\u00e1n\u00ed.<br \/>\r\nV pokro\u010dil\u00e9 metalurgii se kel\u00edmky z oxidu hlinit\u00e9ho \u010dasto pou\u017e\u00edvaj\u00ed jako v\u00fdstelky. Pro dosa\u017een\u00ed vy\u0161\u0161\u00ed \u010distoty taven\u00fdch kov\u016f a prevenci kontaminace zp\u016fsoben\u00e9 p\u0159\u00edm\u00fdm kontaktem s oxidem hlinit\u00fdm je pro v\u00fdrobu kel\u00edmk\u016f vy\u017eadov\u00e1n vysoce \u010dist\u00fd oxid hlinit\u00fd. V n\u011bkter\u00fdch p\u0159\u00edpadech je nutn\u00e9 prov\u00e9st dodate\u010dn\u00e9 plazmov\u00e9 nan\u00e1\u0161en\u00ed. Nap\u0159\u00edklad p\u0159i taven\u00ed titanov\u00fdch slitin je na vnit\u0159n\u00ed povrch kel\u00edmku nanesena vrstva Y\u2082O\u2083.<br \/>\r\nJedn\u00edm z hlavn\u00edch nev\u00fdhod keramick\u00fdch kel\u00edmk\u016f je jejich relativn\u011b n\u00edzk\u00e1 odolnost proti tepeln\u00fdm \u0161ok\u016fm, co\u017e omezuje jejich \u017eivotnost a po\u010det pou\u017eit\u00ed.<\/p>\r\n<\/div>\r\n<p><a class=\"pro-detail-btn\" href=\"https:\/\/weiert-ceramics.com\/cs\/contact\/\">KONTAKTUJTE N\u00c1S<\/a><\/p>\r\n<div class=\"row pt-20\">\r\n<div class=\"col-md-6 col-sm-6\">\r\n<p><strong>Dostupn\u00e9 typy kel\u00edmk\u016f z oxidu hlinit\u00e9ho<\/strong><br \/>\r\nTvar kel\u00edmku z Al\u2082O\u2083:<br \/>\r\nCylindrick\u00fd kel\u00edmek z oxidu hlinit\u00e9ho (Standardn\u00ed typ)<br \/>\r\nK\u00f3nick\u00fd kel\u00edmek z oxidu hlinit\u00e9ho (Typ pro snadn\u00e9 lil\u00ed)<br \/>\r\nPlastov\u00fd kel\u00edmek z oxidu hlinit\u00e9ho (Typ s velkou plochou)<br \/>\r\nObd\u00e9ln\u00edkov\u00fd kel\u00edmek z oxidu hlinit\u00e9ho<br \/>\r\nKel\u00edmek z oxidu hlinit\u00e9ho ve tvaru lodi<br \/>\r\nKel\u00edmek z oxidu hlinit\u00e9ho s hrdlem<br \/>\r\nVlastn\u00ed kel\u00edmek z oxidu hlinit\u00e9ho (M\u016f\u017ee b\u00fdt p\u0159izp\u016fsoben podle po\u017eadavk\u016f z\u00e1kazn\u00edka)<\/p>\r\n<p>2. velikosti AI2O3 k\u00e1dinek:<br \/>\r\nNejmen\u0161\u00ed velikost k\u00e1dinky z Al2O3: 0,063 ml (OD 5 mm \u00d7 H 5 mm \u00d7 T 0,5 mm)<br \/>\r\nNejv\u011bt\u0161\u00ed velikost k\u00e1dinky z Al2O3: 72 380 ml (OD 500 mm \u00d7 H 400 mm \u00d7 T 10 mm)<br \/>\r\nMo\u017enosti na zak\u00e1zku: Dostupn\u00e9 na vy\u017e\u00e1d\u00e1n\u00ed<\/p>\r\n<\/div>\r\n<div class=\"col-md-6 col-sm-6\">\r\n<p><strong>Technick\u00e9 parametry kel\u00edmk\u016f z oxidu hlinit\u00e9ho:<\/strong><br \/>\r\n1. Specifikace materi\u00e1lu:<br \/>\r\nFour purity levels of Alumina Content: \u226795% Al2O3\uff0c\u226799% Al2O3\uff0c\u226799.7% Al2O3, \u226799.99%<br \/>\r\n\u010cty\u0159i \u00farovn\u011b hustoty oxidu hlinit\u00e9ho: 3,72 g\/cm\u00b3, 3,9 g\/cm\u00b3, 3,92 g\/cm\u00b3, 3,98 g\/cm\u00b3<\/p>\r\n<p>Vlastnosti v\u00fdkonu:<br \/>\r\n\u010cty\u0159i \u00farovn\u011b C.T.E. (koeficient tepeln\u00e9 rozta\u017enosti) pro oxid hlinit\u00fd v rozmez\u00ed 25\u00b0-600\u00b0C:<br \/>\r\n7.7\u00d7 10\u207b\u2076 \/\u00b0C, 7.6\u00d7 10\u207b\u2076 \/\u00b0C 8.0\u00d7 10\u207b\u2076 \/\u00b0C 8.1\u00d7 10\u207b\u2076 \/\u00b0C<\/p>\r\n<p>Maxim\u00e1ln\u00ed provozn\u00ed teplota: 1650\u00b0C<\/p>\r\n<\/div>\r\n<\/div>\r\n<p><strong>Aplikace k\u00e1dinek z vysoce \u010dist\u00e9ho Al2O3:<\/strong><br \/>\r\nChemick\u00e9 anal\u00fdzy<br \/>\r\nZpracov\u00e1n\u00ed polovodi\u010dov\u00fdch materi\u00e1l\u016f<br \/>\r\nPrecizn\u00ed lit\u00ed<br \/>\r\nZpracov\u00e1n\u00ed vz\u00e1cn\u00fdch kov\u016f<br \/>\r\nTaven\u00ed speci\u00e1ln\u00edch slitin<br \/>\r\nOdpa\u0159ov\u00e1n\u00ed materi\u00e1l\u016f v PVD procesech<\/p>\r\n<p><strong>Certifikace kvality:<\/strong><br \/>\r\nCertifikace syst\u00e9mu \u0159\u00edzen\u00ed kvality ISO 9001<\/p>\r\n<p><strong>Kroky \u010di\u0161t\u011bn\u00ed k\u00e1dinky:<\/strong><\/p>\r\n<ol>\r\n<li>Namo\u010dte do 0,1M KOH roztoku na 15-20 minut.<\/li>\r\n<li>D\u016fkladn\u011b opl\u00e1chn\u011bte deionizovanou vodou.<\/li>\r\n<li>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed po dobu 60 minut s jemn\u00fdm pr\u00e1\u0161kov\u00fdm detergentem (2 pol\u00e9vkov\u00e9 l\u017e\u00edce v 200 ml vody).<\/li>\r\n<li>Znovu opl\u00e1chn\u011bte deionizovanou vodou.<\/li>\r\n<li>Namo\u010dte do acetonu a ultrazvukov\u011b \u010dist\u011bte po dobu 20 minut.<\/li>\r\n<li>Opakujte s izopropanolem po dal\u0161\u00edch 20 minut.<\/li>\r\n<li>Su\u0161te p\u0159i 70\u00b0C po dobu 40+ minut. Nebo vysokoteplotn\u00ed zah\u0159\u00edv\u00e1n\u00ed m\u016f\u017ee sp\u00e1lit organick\u00e9 zbytky.<\/li>\r\n<\/ol>\r\n<p><strong>V\u00fdhody Al2O3 k\u00e1dinek vyr\u00e1b\u011bn\u00fdch spole\u010dnost\u00ed WEIERT Ceramic:<\/strong><br \/>\r\n10 let zku\u0161enost\u00ed s pokro\u010dilou keramickou v\u00fdrobou: Jsme profesion\u00e1ln\u00ed v oblasti keramick\u00fdch materi\u00e1l\u016f pro k\u00e1dinky.<br \/>\r\nZav\u00e1z\u00e1n\u00ed k inovac\u00edm proces\u016f: Maxim\u00e1ln\u00ed sni\u017eov\u00e1n\u00ed n\u00e1klad\u016f pro poskytov\u00e1n\u00ed konkurenceschopn\u00fdch cen z\u00e1kazn\u00edk\u016fm.<br \/>\r\nUltra-vysok\u00e1 \u010distota materi\u00e1l\u016f: Zaji\u0161\u0165ujeme kvalitu na\u0161ich k\u00e1dinek.<br \/>\r\nPrecizn\u00ed kontrola rozm\u011brov\u00fdch toleranc\u00ed: \u2264 \u00b10,1 mm.<br \/>\r\nSurface roughness: Ra \u2264 1.6\u03bcm.<\/p>\r\n<p><a class=\"pro-detail-btn\" href=\"https:\/\/weiert-ceramics.com\/cs\/contact\/\">KONTAKTUJTE N\u00c1S<\/a><\/p>","link":"https:\/\/weiert-ceramics.com\/cs\/category\/products\/ceramic-crucibles\/alumina-crucible-al2o3\/","name":"Aluminov\u00fd keramick\u00fd kel\u00edmek Al\u2082O\u2083","slug":"alumina-crucible-al2o3","taxonomy":"category","parent":167,"meta":[],"acf":[],"z_taxonomy_image_url":"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/eb11efb4285b6fffac8d-1.jpg","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Alumina Crucible: High Purity and Uses - Weiert Ceramics Technology Co., Ltd.<\/title>\n<meta name=\"description\" content=\"High purity alumina crucibles, or Al2O3 crucibles, are essential for various applications. 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