{"id":99,"date":"2025-02-17T15:19:33","date_gmt":"2025-02-17T07:19:33","guid":{"rendered":"https:\/\/aluminapowder.net\/?p=99"},"modified":"2025-02-17T15:41:37","modified_gmt":"2025-02-17T07:41:37","slug":"co-je-to-prasek-z-oxidu-hliniteho-strucny-pruvodce-jeho-pouzitim-a-vyhodami","status":"publish","type":"post","link":"https:\/\/aluminapowder.net\/cs\/what-is-alumina-powder-a-simple-guide-to-its-uses-and-benefits\/","title":{"rendered":"Co je pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd? Jednoduch\u00fd pr\u016fvodce jeho pou\u017eit\u00edm a v\u00fdhodami"},"content":{"rendered":"

Co je pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd? Jednoduch\u00fd pr\u016fvodce jeho pou\u017eit\u00edm a v\u00fdhodami<\/h1>\n

Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho, zn\u00e1m\u00fd tak\u00e9 jako oxid hlinit\u00fd (Al\u2082O\u2083), je hnac\u00edm motorem obrovsk\u00e9ho glob\u00e1ln\u00edho pr\u016fmyslu, kter\u00fd v roce 2015 vyprodukoval 115 milion\u016f tun. Trh v posledn\u00edch letech vzrostl o 600% v d\u016fsledku pr\u016fmyslov\u00fdch zm\u011bn v \u010c\u00edn\u011b. Odborn\u00edci z oboru p\u0159edpov\u00eddaj\u00ed pro obdob\u00ed 2016\u20132022 ohromuj\u00edc\u00ed pr\u016fm\u011brnou ro\u010dn\u00ed m\u00edru r\u016fstu ve v\u00fd\u0161i 16,7%.<\/p>\n

D\u00edky sv\u00fdm v\u00fdjime\u010dn\u00fdm vlastnostem je tento materi\u00e1l neoceniteln\u00fd. Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho vydr\u017e\u00ed ve vakuu teploty a\u017e 2000 \u00b0C a m\u00e1 tvrdost podle Rockwella 80\u201390. Je ide\u00e1ln\u00ed pro v\u00fdrobu, biomedic\u00ednsk\u00e9 aplikace a v\u0161echny druhy elektroniky. Tento materi\u00e1l utv\u00e1\u0159\u00ed modern\u00ed pr\u016fmyslov\u00e9 aplikace d\u00edky sv\u00e9mu vyu\u017eit\u00ed v um\u011bl\u00fdch kloubech a technick\u00e9 keramice. Tento \u010dl\u00e1nek se zab\u00fdv\u00e1 v\u0161\u00edm, co se t\u00fdk\u00e1 pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho, od jeho slo\u017een\u00ed a v\u00fdrobn\u00edho procesu a\u017e po jeho vlastnosti. Dozv\u00edte se tak\u00e9 o jeho vyu\u017eit\u00ed v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch.<\/p>\n

Co je to pr\u00e1\u0161kov\u00fd oxid hlinit\u00fd?<\/strong><\/h2>\n

Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho tvo\u0159\u00ed z\u00e1klad modern\u00ed keramiky a pr\u016fmyslov\u00fdch aplikac\u00ed. Jeho chemick\u00e9 slo\u017een\u00ed zahrnuje atomy hlin\u00edku a kysl\u00edku, kter\u00e9 jsou chemicky v\u00e1z\u00e1ny v uspo\u0159\u00e1dan\u00e9 krystalick\u00e9 struktu\u0159e. Chemick\u00fd vzorec Al\u2082O\u2083 tvo\u0159\u00ed hust\u011b uspo\u0159\u00e1danou hexagon\u00e1ln\u00ed m\u0159\u00ed\u017eku, v n\u00ed\u017e ionty hlin\u00edku vypl\u0148uj\u00ed dv\u011b ze t\u0159\u00ed pozic v oktaedru.<\/p>\n

Z\u00e1kladn\u00ed slo\u017een\u00ed a struktura<\/strong><\/h3>\n

Nejstabiln\u011bj\u0161\u00ed formou pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho je korund ve sv\u00e9 krystalov\u00e9 struktu\u0159e. Ionty kysl\u00edku tvo\u0159\u00ed hexagon\u00e1ln\u00ed hust\u011b uspo\u0159\u00e1danou m\u0159\u00ed\u017eku a ionty hlin\u00edku zapl\u0148uj\u00ed ur\u010dit\u00e9 pozice v t\u00e9to struktu\u0159e. Tento materi\u00e1l se vyskytuje v n\u011bkolika metastabiln\u00edch f\u00e1z\u00edch \u2013 v kubick\u00fdch f\u00e1z\u00edch \u03b3 a \u03b7, hexagon\u00e1ln\u00ed f\u00e1zi \u03c7 a monoklinick\u00e9 f\u00e1zi \u03b8.<\/p>\n

Jak se to vyr\u00e1b\u00ed<\/strong><\/h3>\n

Bayer\u016fv proces z\u016fst\u00e1v\u00e1 nejrychlej\u0161\u00edm zp\u016fsobem v\u00fdroby pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho, a to prost\u0159ednictv\u00edm t\u011bchto kl\u00ed\u010dov\u00fdch krok\u016f:<\/p>\n

    \n
  1. Drcen\u00ed a m\u00edch\u00e1n\u00ed bauxitov\u00e9 rudy s hydroxidem sodn\u00fdm<\/li>\n
  2. Zah\u0159\u00e1t\u00ed sm\u011bsi pod tlakem za \u00fa\u010delem rozpu\u0161t\u011bn\u00ed obsahu oxidu hlinit\u00e9ho<\/li>\n
  3. Odstran\u011bn\u00ed ne\u010distot (tzv. \u010derven\u00e9ho kalu)<\/li>\n
  4. Sr\u00e1\u017een\u00ed hydroxidu hlinit\u00e9ho<\/li>\n
  5. Kalcinace p\u0159i teplot\u011b p\u0159ibli\u017en\u011b 1100 \u00b0C za \u00fa\u010delem z\u00edsk\u00e1n\u00ed kone\u010dn\u00e9ho produktu<\/li>\n<\/ol>\n

    K dispozici jsou r\u016fzn\u00e9 varianty<\/strong><\/h3>\n

    Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho se vyr\u00e1b\u00ed v r\u016fzn\u00fdch druz\u00edch, z nich\u017e ka\u017ed\u00fd je vhodn\u00fd pro konkr\u00e9tn\u00ed \u00fa\u010dely. Mezi n\u011b pat\u0159\u00ed:<\/p>\n

      \n
    1. Kalcinovan\u00fd oxid hlinit\u00fd<\/strong> \u2013 velmi \u010dist\u00fd, s \u010distotou 99,91 TP3T.<\/li>\n
    2. Tabul\u00e1rn\u00ed oxid hlinit\u00fd<\/strong> \u2013 vyzna\u010duje se vynikaj\u00edc\u00ed tepelnou odolnost\u00ed a pevnost\u00ed.<\/li>\n
    3. Hydratovan\u00fd oxid hlinit\u00fd<\/strong> \u2013 m\u00e1 vysokou teplotu t\u00e1n\u00ed.<\/li>\n
    4. Oxid hlinit\u00fd zpevn\u011bn\u00fd zirkonem<\/strong> \u2013 obsahuje zirkoniumoxid 10-20%, kter\u00fd zaji\u0161\u0165uje vy\u0161\u0161\u00ed pevnost a odolnost proti opot\u0159eben\u00ed.<\/li>\n<\/ol>\n

      Ka\u017ed\u00fd typ je d\u00edky sv\u00fdm vlastnostem ur\u010den pro konkr\u00e9tn\u00ed pot\u0159eby.<\/p>\n

      Vlastnosti pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho<\/strong><\/h2>\n

      D\u00edky sv\u00fdm vlastnostem je pr\u00e1\u0161ek z oxidu hlinit\u00e9ho nepostradatelnou slo\u017ekou mnoha pr\u016fmyslov\u00fdch aplikac\u00ed. Jeho univerz\u00e1lnost vypl\u00fdv\u00e1 z jeho tvrdosti a chemick\u00e9 odolnosti.<\/p>\n

      Tvrdost a pevnost<\/strong><\/h3>\n

      Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho m\u00e1 tvrdost 9 podle Mohsovy stupnice, je tedy mimo\u0159\u00e1dn\u011b tvrd\u00fd. Jeho odolnost proti opot\u0159eben\u00ed zdaleka nedosahuje \u00farovn\u011b ot\u011bruvzdorn\u00e9 oceli a nerezov\u00e9 oceli. Laboratorn\u00ed testy ukazuj\u00ed, \u017ee jeho v\u00fdkonnost je 266kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u manganov\u00e9 oceli a 171,5kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u litiny s vysok\u00fdm obsahem chromu. Tento materi\u00e1l vydr\u017e\u00ed tlakov\u00e9 s\u00edly a\u017e do 3 000 MPa.<\/p>\n

      Chemick\u00e1 stabilita<\/strong><\/h3>\n

      Chemick\u00e9 slo\u017een\u00ed pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho zaji\u0161\u0165uje vynikaj\u00edc\u00ed ochranu proti korozivn\u00edm prost\u0159ed\u00edm. Materi\u00e1l z\u016fst\u00e1v\u00e1 stabiln\u00ed i p\u0159i vystaven\u00ed siln\u00fdm kyselin\u00e1m a z\u00e1sad\u00e1m p\u0159i vysok\u00fdch teplot\u00e1ch. Ned\u00e1vn\u00e9 studie ukazuj\u00ed, \u017ee n\u011bkter\u00e9 formy oxidu hlinit\u00e9ho maj\u00ed dvojn\u00e1sobnou chemickou odolnost oproti standardn\u00edm variant\u00e1m. Struktura materi\u00e1lu s vysokou \u010distotou br\u00e1n\u00ed pronik\u00e1n\u00ed ciz\u00edch iont\u016f, d\u00edky \u010demu\u017e je chemicky inertn\u00ed.<\/p>\n

      B\u011b\u017en\u00e9 vyu\u017eit\u00ed v r\u016fzn\u00fdch odv\u011btv\u00edch<\/strong><\/h2>\n

      Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho je nepostradatelnou surovinou pro mnoho pr\u016fmyslov\u00fdch odv\u011btv\u00ed, od pr\u016fmyslov\u00fdch brusiv a\u017e po modern\u00ed l\u00e9ka\u0159sk\u00e9 implant\u00e1ty. D\u00edky sv\u00fdm vlastnostem se dokonale hod\u00ed pro pou\u017eit\u00ed v nejr\u016fzn\u011bj\u0161\u00edch oblastech, od t\u011b\u017ek\u00e9ho pr\u016fmyslu a\u017e po p\u0159esnou elektroniku.<\/p>\n

      Aplikace ve v\u00fdrob\u011b<\/strong><\/h3>\n

      D\u00edky sv\u00e9 univerz\u00e1lnosti se pr\u00e1\u0161ek z oxidu hlinit\u00e9ho ve v\u00fdrob\u011b osv\u011bd\u010duje v cel\u00e9 \u0159ad\u011b aplikac\u00ed:<\/p>\n

        \n
      • \u017d\u00e1ruvzdorn\u00e9 v\u00fdrobky pro petrochemick\u00e9 zpracov\u00e1n\u00ed a v\u00fdrobu cementu<\/li>\n
      • Pr\u016fmyslov\u00e9 brusn\u00e9 materi\u00e1ly pro tv\u00e1\u0159en\u00ed sou\u010d\u00e1st\u00ed<\/li>\n
      • Aplikace n\u00e1t\u011br\u016f pro ochranu stroj\u016f<\/li>\n
      • Keramick\u00e9 n\u00e1stroje s tvrdost\u00ed dosahuj\u00edc\u00ed 90\u201395 HRA<\/li>\n<\/ul>\n

        L\u00e9ka\u0159sk\u00e9 vyu\u017eit\u00ed<\/strong><\/h3>\n

        Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho vykazuje v biomedic\u00ednsk\u00e9 oblasti vynikaj\u00edc\u00ed biokompatibilitu. Pou\u017e\u00edv\u00e1 se v protetick\u00fdch kon\u010detin\u00e1ch a lo\u017eisc\u00edch ky\u010deln\u00edch n\u00e1hrad a nach\u00e1z\u00ed uplatn\u011bn\u00ed tak\u00e9 v zubn\u00edch implant\u00e1tech a p\u0159i zpev\u0148ov\u00e1n\u00ed tk\u00e1n\u00ed. D\u00edky sv\u00e9 vysok\u00e9 inertnosti vyvol\u00e1v\u00e1 minim\u00e1ln\u00ed tk\u00e1\u0148ovou reakci, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed materi\u00e1l pro dlouhodob\u00e9 implant\u00e1ty.<\/p>\n

        Elektronick\u00fd pr\u016fmysl<\/strong><\/h3>\n

        Elektronick\u00fd pr\u016fmysl vyu\u017e\u00edv\u00e1 v\u00fdjime\u010dn\u00e9 dielektrick\u00e9 vlastnosti pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho. D\u00edky sv\u00e9 vynikaj\u00edc\u00ed tepeln\u00e9 vodivosti je tento materi\u00e1l nepostradatelnou slo\u017ekou v:<\/p>\n

          \n
        • Balen\u00ed integrovan\u00fdch obvod\u016f a moduly v\u00fdkonov\u00e9 elektroniky<\/li>\n
        • Vysoce v\u00fdkonn\u00e9 izol\u00e1tory a substr\u00e1ty pro obvody<\/li>\n
        • Aplikace v oblasti mikrovln a vysokofrekven\u010dn\u00edho z\u00e1\u0159en\u00ed<\/li>\n
        • Senzorov\u00e1 za\u0159\u00edzen\u00ed a v\u00edcevrstv\u00e9 keramick\u00e9 kondenz\u00e1tory<\/li>\n<\/ul>\n

          Tepeln\u00e1 vodivost tohoto materi\u00e1lu napom\u00e1h\u00e1 odvodu tepla v LED modulech a vysoce v\u00fdkonn\u00fdch zesilova\u010d\u00edch, \u010d\u00edm\u017e zaji\u0161\u0165uje optim\u00e1ln\u00ed v\u00fdkon a del\u0161\u00ed \u017eivotnost za\u0159\u00edzen\u00ed.<\/p>\n

          V\u00fdb\u011br spr\u00e1vn\u00e9ho pr\u00e1\u0161ku z oxidu hlinit\u00e9ho<\/strong><\/h2>\n

          P\u0159i v\u00fdb\u011bru vhodn\u00e9ho pr\u00e1\u0161ku z oxidu hlinit\u00e9ho je t\u0159eba zv\u00e1\u017eit technick\u00e9 parametry i praktick\u00e1 omezen\u00ed. Nejd\u016fle\u017eit\u011bj\u0161\u00ed jsou p\u0159itom dv\u011b v\u011bci: jeho \u010distota a cena.<\/p>\n

          Porozum\u011bn\u00ed \u00farovn\u00edm \u010distoty<\/strong><\/h3>\n

          Vlastnosti pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho z\u00e1vis\u00ed na stupni jeho \u010distoty, kter\u00fd se pohybuje v rozmez\u00ed od 92% do 99,9%. P\u0159i \u010distot\u011b 99% nebo vy\u0161\u0161\u00ed se projev\u00ed lep\u0161\u00ed tepeln\u00e1 odolnost, chemick\u00e1 stabilita a mechanick\u00e1 pevnost. Tyto stupn\u011b \u010distoty se nejl\u00e9pe hod\u00ed tam, kde nelze slevit z po\u017eadavk\u016f na v\u00fdkon.<\/p>\n

          R\u016fzn\u00e9 stupn\u011b \u010distoty se hod\u00ed pro r\u016fzn\u00e9 \u00fa\u010dely:<\/p>\n

          99% \u2013 <\/strong>Je vhodn\u00fd pro kritick\u00e1 m\u00edsta, kter\u00e1 vy\u017eaduj\u00ed maxim\u00e1ln\u00ed odolnost proti plazm\u011b<\/p>\n

          95% \u2013 <\/strong>Ide\u00e1ln\u00ed volba, pokud pot\u0159ebujete odolnost jak proti elektrick\u00e9mu proudu, tak proti chemik\u00e1li\u00edm<\/p>\n

          96% \u2013<\/strong> Skv\u011ble se hod\u00ed tam, kde z\u00e1le\u017e\u00ed na rozm\u011brov\u00e9 stabilit\u011b<\/p>\n

          90% \u2013 <\/strong>Skv\u011bl\u00e9 pro \u00falohy, kter\u00e9 vy\u017eaduj\u00ed hust\u00e9, nepor\u00e9zn\u00ed struktury<\/p>\n

          \u00davahy ohledn\u011b n\u00e1klad\u016f<\/strong><\/h3>\n

          Oxid hlinit\u00fd je levn\u011bj\u0161\u00ed ne\u017e jin\u00e9 druhy pokro\u010dil\u00e9 keramiky. Na jeho cenu v\u0161ak maj\u00ed vliv faktory, jako je rozsah v\u00fdroby, dostupnost surovin a slo\u017eitost v\u00fdroby. Ceny na trhu se v\u00fdrazn\u011b li\u0161\u00ed a vysoce \u010dist\u00e9 druhy (99,99%) jsou dra\u017e\u0161\u00ed.<\/p>\n

          Vysoce \u010dist\u00e9 druhy by sice mohly fungovat l\u00e9pe, ale z rozpo\u010dtov\u00fdch d\u016fvod\u016f se \u010dasto m\u00eds\u00ed s oxidem k\u0159emi\u010dit\u00fdm nebo oxidem ho\u0159e\u010dnat\u00fdm. Proz\u00edrav\u00ed odb\u011bratel\u00e9 hledaj\u00ed rovnov\u00e1hu mezi t\u00edm, co pot\u0159ebuj\u00ed, a t\u00edm, kolik mohou utratit. Sleduj\u00ed velikost zrn, hustotu a p\u00f3rovitost. Tyto vlastnosti ovliv\u0148uj\u00ed tvrdost materi\u00e1lu, jeho odolnost proti opot\u0159eben\u00ed a tepelnou vodivost. To umo\u017e\u0148uje v\u00fdrobc\u016fm vytv\u00e1\u0159et \u0159e\u0161en\u00ed na m\u00edru, kter\u00e1 vyhovuj\u00ed konkr\u00e9tn\u00edm \u00fakol\u016fm.<\/p>\n

          Z\u00e1v\u011br<\/strong><\/h2>\n

          Pr\u00e1\u0161ek z oxidu hlinit\u00e9ho je d\u00edky sv\u00e9 tvrdosti, tepeln\u00e9 odolnosti a chemick\u00e9 stabilit\u011b nepostradateln\u00fd v mnoha pr\u016fmyslov\u00fdch odv\u011btv\u00edch. \u0160iroce se pou\u017e\u00edv\u00e1 ve v\u00fdrob\u011b, medic\u00edn\u011b a elektronice.<\/p>\n

          Ka\u017ed\u00fd typ pr\u00e1\u0161kov\u00e9ho oxidu hlinit\u00e9ho m\u00e1 specifick\u00e9 vlastnosti, kter\u00e9 vyhovuj\u00ed r\u016fzn\u00fdm pr\u016fmyslov\u00fdm pot\u0159eb\u00e1m. Kalcinovan\u00fd oxid hlinit\u00fd se nejl\u00e9pe hod\u00ed pro aplikace, kter\u00e9 vy\u017eaduj\u00ed chemickou \u010distotu. Tabul\u00e1rn\u00ed oxid hlinit\u00fd je ide\u00e1ln\u00ed pro prost\u0159ed\u00ed s vysok\u00fdmi teplotami a reaktivn\u00ed oxid hlinit\u00fd vynik\u00e1 ve vysoce v\u00fdkonn\u00fdch \u017e\u00e1ruvzdorn\u00fdch materi\u00e1lech.<\/p>\n

          V\u00fdb\u011br spr\u00e1vn\u00e9ho pr\u00e1\u0161ku z oxidu hlinit\u00e9ho z\u00e1vis\u00ed na konkr\u00e9tn\u00edm pou\u017eit\u00ed a rozpo\u010dtov\u00fdch omezen\u00edch. Vy\u0161\u0161\u00ed stupn\u011b \u010distoty p\u0159in\u00e1\u0161ej\u00ed lep\u0161\u00ed v\u00fdkon, ale pro z\u00e1kladn\u00ed aplikace existuj\u00ed i cenov\u011b dostupn\u00e9 varianty. V\u00fdrobci mohou optimalizovat sv\u00e9 procesy bez ztr\u00e1ty kvality t\u00edm, \u017ee najdou rovnov\u00e1hu mezi v\u00fdkonem a n\u00e1klady. Sv\u011btov\u00e1 popt\u00e1vka po pr\u00e1\u0161kov\u00e9m oxidu hlinit\u00e9m rychle roste. Osv\u011bd\u010den\u00fd \u00fasp\u011bch tohoto materi\u00e1lu a nov\u00e9 technologick\u00e9 pokroky zajist\u00ed, \u017ee bude i v n\u00e1sleduj\u00edc\u00edch letech hr\u00e1t d\u016fle\u017eitou roli p\u0159i v\u00fdvoji pr\u016flomov\u00fdch \u0159e\u0161en\u00ed pro v\u0161echna pr\u016fmyslov\u00e1 odv\u011btv\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

          What is Alumina Powder? A Simple Guide to Its Uses and Benefits Alumina powder, also known as aluminium oxide (Al2O3), […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[11],"tags":[],"class_list":["post-99","post","type-post","status-publish","format-standard","hentry","category-product"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/99","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/comments?post=99"}],"version-history":[{"count":4,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/99\/revisions"}],"predecessor-version":[{"id":103,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/posts\/99\/revisions\/103"}],"wp:attachment":[{"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/media?parent=99"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/categories?post=99"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminapowder.net\/cs\/wp-json\/wp\/v2\/tags?post=99"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}