Alumin\u00e1tov\u00e9 v\u00e1pnov\u00e9 cementy jsou vysoce v\u00fdkonn\u00e1 speci\u00e1ln\u00ed pojiva a miner\u00e1ln\u00ed p\u0159\u00edsady s \u0159adou u\u017eite\u010dn\u00fdch vlastnost\u00ed. Spole\u010dnost Bisley dod\u00e1v\u00e1 sortiment taven\u00fdch alumin\u00e1tov\u00fdch v\u00e1penn\u00fdch cement\u016f (CAC) zna\u010dky CALUCEM. CAC se pou\u017e\u00edvaj\u00ed v receptur\u00e1ch betonov\u00fdch sm\u011bs\u00ed a v opravn\u00fdch malt\u00e1ch ur\u010den\u00fdch pro vyzd\u00edv\u00e1n\u00ed potrub\u00ed i pro projekty sanace kanalizace.<\/p>\n
A\u010dkoli se jejich chemick\u00e9 slo\u017een\u00ed zna\u010dn\u011b li\u0161\u00ed od slo\u017een\u00ed portlandsk\u00fdch cement\u016f, betony na b\u00e1zi CAC vykazuj\u00ed v ur\u010dit\u00fdch oblastech pou\u017eit\u00ed mimo\u0159\u00e1dn\u011b vysok\u00e9 vlastnosti, jako je odolnost proti p\u016fsoben\u00ed kyselin a odolnost proti od\u011bru.<\/p>\n
Hlavn\u00ed pojivo v hlinitokremi\u010dit\u00e9m cementu, hlinitokremi\u010ditan v\u00e1penat\u00fd (CA), vykazuje mnohem vy\u0161\u0161\u00ed odolnost v\u016f\u010di kyselin\u00e1m ne\u017e portlandsk\u00fd cement. A\u010dkoli se v\u0161echny betony v kysel\u00e9m prost\u0159ed\u00ed rozkl\u00e1daj\u00ed, CA d\u00edky sv\u00e9 reakci s vodou vykazuje v\u00fdjime\u010dnou odolnost jak v\u016f\u010di kyselin\u011b chlorovod\u00edkov\u00e9, tak i s\u00edrov\u00e9, a m\u00e1 mimo\u0159\u00e1dnou odolnost v\u016f\u010di s\u00edran\u016fm, d\u00edky \u010demu\u017e je vhodn\u00fd pro pou\u017eit\u00ed v opravn\u00fdch malt\u00e1ch pro beton vystaven\u00fdch p\u016fsoben\u00ed t\u011bchto chemik\u00e1li\u00ed.<\/p>\n
CA je natolik univerz\u00e1ln\u00ed, \u017ee jej lze pou\u017e\u00edt bu\u010f jako samostatn\u00e9 pojivo, v bin\u00e1rn\u00edch \u010di tern\u00e1rn\u00edch syst\u00e9mech s OPC, pop\u00edlkem a\/nebo s\u00e1drovcem jako sou\u010d\u00e1st sm\u011bsi OPC\/F\/A, anebo jej sm\u00edchat v bin\u00e1rn\u00edch \u010di tern\u00e1rn\u00edch kombinac\u00edch s t\u011bmito l\u00e1tkami za \u00fa\u010delem dosa\u017een\u00ed rychl\u00e9ho tuhnut\u00ed, v\u010dasn\u00e9ho n\u00e1r\u016fstu pevnosti a odolnosti proti biogenn\u00ed korozi. Spole\u010dnost Bisley nab\u00edz\u00ed typy CAC v rozmez\u00ed 40\u201380% Al\u2082O\u2083 pro pou\u017eit\u00ed v samonivela\u010dn\u00edch malt\u00e1ch s vysokou po\u010d\u00e1te\u010dn\u00ed pevnost\u00ed, jako\u017e i v samonivela\u010dn\u00edch malt\u00e1ch s vysokou pevnost\u00ed pou\u017e\u00edvan\u00fdch pro vyzd\u00edv\u00e1n\u00ed trubek z tv\u00e1rn\u00e9 litiny a sanaci kanalizace, a to bu\u010f jako samostatn\u00e9 sm\u011bsi, nebo ve sm\u011bs\u00edch s portlandsk\u00fdm cementem.<\/p>\n
Syst\u00e9my CAC s bin\u00e1rn\u00edmi syst\u00e9my se vyzna\u010duj\u00ed kr\u00e1tkou dobou tuhnut\u00ed, d\u00edky \u010demu\u017e jsou ide\u00e1ln\u00ed pro opravy na mal\u00fdch ploch\u00e1ch, kde je zapot\u0159eb\u00ed rychl\u00e9ho n\u00e1r\u016fstu pevnosti. CAC je kompatibiln\u00ed s v\u011bt\u0161inou p\u0159\u00edsad typu OPC, av\u0161ak p\u0159i pou\u017eit\u00ed tern\u00e1rn\u00edch syst\u00e9m\u016f CAC je t\u0159eba postupovat s velkou p\u0159esnost\u00ed, proto\u017ee tyto syst\u00e9my mohou zp\u016fsobit p\u0159ed\u010dasn\u00e9 st\u00e1rnut\u00ed pevnosti, co\u017e vede k flekat\u00e9mu vzhledu povrchu \u2013 p\u0159ed pou\u017eit\u00edm je proto nutn\u00e9 prov\u00e9st n\u00e1vrh receptury a testov\u00e1n\u00ed.<\/p>\n
V na\u0161em katalogu najdete \u0161irok\u00fd v\u00fdb\u011br produkt\u016f \u0159ady CAC. V\u0161echny produkty z na\u0161eho sortimentu obsahuj\u00ed minim\u00e1ln\u011b 40% oxidu hlinit\u00e9ho, co\u017e zaji\u0161\u0165uje jejich optim\u00e1ln\u00ed vyu\u017eit\u00ed v betonech a \u017e\u00e1ruvzdorn\u00fdch materi\u00e1lech, a vyzna\u010duj\u00ed se n\u00edzkou viskozitou, kter\u00e1 usnad\u0148uje m\u00edch\u00e1n\u00ed a lit\u00ed. D\u00edky vysok\u00e9 odolnosti v\u016f\u010di s\u00edran\u016fm, biogenn\u00ed korozi a od\u011bru jsou ide\u00e1ln\u00ed pro betony a opravn\u00e9 malty v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch, p\u0159i\u010dem\u017e se vyzna\u010duj\u00ed tak\u00e9 vynikaj\u00edc\u00ed chemickou a tepelnou odolnost\u00ed. Provozn\u00ed teplota produktu je d\u00e1na obsahem oxidu hlinit\u00e9ho; vy\u0161\u0161\u00ed procentn\u00ed pod\u00edly vydr\u017e\u00ed teploty a\u017e 1900 \u00b0C, co\u017e \u010din\u00ed tento cement ide\u00e1ln\u00edm pro pou\u017eit\u00ed v \u017e\u00e1ruvzdorn\u00fdch cihl\u00e1ch, vyzd\u00edvk\u00e1ch pec\u00ed a n\u00e1t\u011brech kom\u00edn\u016f. D\u00edky sv\u00fdm jedine\u010dn\u00fdm vlastnostem m\u016f\u017ee cement CAC tak\u00e9 p\u0159isp\u011bt ke zkr\u00e1cen\u00ed doby trv\u00e1n\u00ed projekt\u016f a z\u00e1rove\u0148 poskytovat ekologicky udr\u017eiteln\u011bj\u0161\u00ed \u0159e\u0161en\u00ed ne\u017e jeho alternativy.<\/p>\n
Alumin\u00e1tov\u00e9 v\u00e1penn\u00e9 cementy se ji\u017e dlouho pou\u017e\u00edvaj\u00ed v aplikac\u00edch, kter\u00e9 vy\u017eaduj\u00ed vysokou odolnost proti korozi, od\u011bru a teplu, jako\u017e i rychl\u00e9 tuhnut\u00ed. Jsou pou\u017e\u00edv\u00e1ny jako speci\u00e1ln\u00ed pojiva v betonech a malt\u00e1ch v konkr\u00e9tn\u00edch stavebn\u00edch podm\u00ednk\u00e1ch; nap\u0159\u00edklad k vylo\u017een\u00ed ocelov\u00fdch nebo tv\u00e1rn\u00fdch litinov\u00fdch trubek t\u011bmito cementy za \u00fa\u010delem zv\u00fd\u0161en\u00ed odolnosti v\u016f\u010di agresivn\u00edm l\u00e1tk\u00e1m, jako je H\u2082S produkovan\u00fd mikroorganismy, nebo jako sou\u010d\u00e1st cementov\u00fdch sm\u011bs\u00ed pro vodn\u00ed p\u0159ehrady.<\/p>\n
Hlinitok\u0159emi\u010dit\u00e9 cementy maj\u00ed d\u00edky sv\u00e9mu chemick\u00e9mu slo\u017een\u00ed a mikrostruktu\u0159e jedine\u010dn\u00e9 vlastnosti. Obsahuj\u00ed zna\u010dn\u00fd pod\u00edl bezvod\u00e9ho hlinitanu, kter\u00fd vykazuje vy\u0161\u0161\u00ed trvanlivost ne\u017e portlandsk\u00e9 cementy d\u00edky sv\u00e9 odolnosti v\u016f\u010di degradaci v \u0161irok\u00e9m spektru teplot a chemick\u00fdch prost\u0159ed\u00ed.<\/p>\n
Bezvod\u00fd alumin\u00e1t odol\u00e1v\u00e1 p\u016fsoben\u00ed kyselin i v p\u0159\u00edtomnosti s\u00edran\u016f, kter\u00e9 naru\u0161uj\u00ed portlandsk\u00fd cement a jin\u00e9 druhy betonu, a to d\u00edky tomu, \u017ee se b\u011bhem hydrata\u010dn\u00edho procesu pevn\u011b v\u00e1\u017ee na oxid k\u0159emi\u010dit\u00fd a br\u00e1n\u00ed pronik\u00e1n\u00ed vody do betonov\u00e9 matrice. D\u00edky tomu maj\u00ed alumin\u00e1tov\u00e9 v\u00e1penn\u00e9 cementy v\u00fdjime\u010dnou trvanlivost p\u0159i vystaven\u00ed drsn\u00fdm podm\u00ednk\u00e1m, kde jsou koroze a ot\u011br \u010dast\u00fdmi probl\u00e9my.<\/p>\n
Cementy na b\u00e1zi hlinitanu v\u00e1penat\u00e9ho se osv\u011bd\u010dily jako mimo\u0159\u00e1dn\u011b u\u017eite\u010dn\u00e9 p\u0159i sanac\u00edch a oprav\u00e1ch silnic, kde zvy\u0161uj\u00ed trvanlivost st\u00e1vaj\u00edc\u00edch d\u00e1lnic, zejm\u00e9na v oblastech s rychle rostouc\u00edm provozem. Jejich rychl\u00e1 aplikace za such\u00e9ho po\u010das\u00ed s minim\u00e1ln\u00edm naru\u0161en\u00edm provozu \u010di zpo\u017ed\u011bn\u00edmi se v t\u011bchto regionech uk\u00e1zala jako obzvl\u00e1\u0161t\u011b v\u00fdhodn\u00e1.<\/p>\n
D\u00edky rychl\u00e9mu tuhnut\u00ed cement\u016f na b\u00e1zi hlinitanu v\u00e1penat\u00e9ho lze z nich vyr\u00e1b\u011bt rychle tuhnouc\u00ed betony a opravn\u00e9 malty, kter\u00e9 se osv\u011bd\u010dily zejm\u00e9na p\u0159i stavb\u011b mostn\u00edch desek, kter\u00e9 mus\u00ed odol\u00e1vat velk\u00e9mu dopravn\u00edmu zat\u00ed\u017een\u00ed, v\u010detn\u011b n\u00e1kladn\u00edch vozidel a dal\u0161\u00edch dopravn\u00edch prost\u0159edk\u016f.<\/p>\n
Cementy na b\u00e1zi hlinitanu v\u00e1penat\u00e9ho se \u0161iroce pou\u017e\u00edvaj\u00ed jako \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly d\u00edky sv\u00e9 vynikaj\u00edc\u00ed odolnosti v\u016f\u010di velmi vysok\u00fdm teplot\u00e1m a od\u011bru, co\u017e z nich \u010din\u00ed vynikaj\u00edc\u00ed volbu pro oblo\u017een\u00ed vnit\u0159n\u00edch st\u011bn ocelov\u00fdch pec\u00ed a vyzd\u00edvky vysok\u00fdch pec\u00ed.<\/p>\n
Alumin\u00e1tov\u00e9 v\u00e1penn\u00e9 cementy (CAC) se vyzna\u010duj\u00ed vynikaj\u00edc\u00ed tepelnou odolnost\u00ed, odolnost\u00ed proti opot\u0159eben\u00ed a kyselin\u00e1m, jako\u017e i rychl\u00fdm n\u00e1r\u016fstem pevnosti. CAC mohou tak\u00e9 slou\u017eit jako vynikaj\u00edc\u00ed pojivo v aplikac\u00edch, kde je d\u016fle\u017eit\u00e1 odolnost proti korozi, teplu nebo od\u011bru a rychl\u00e9 nab\u00fdv\u00e1n\u00ed pevnosti; nap\u0159\u00edklad p\u0159i pou\u017eit\u00ed jako lepic\u00ed vrstva. D\u00edky t\u011bmto vlastnostem jsou cementy na b\u00e1zi hlinitanu v\u00e1penat\u00e9ho obl\u00edbenou volbou v p\u0159\u00edpadech, kdy je nezbytn\u00e9 rychl\u00e9 nab\u00fdv\u00e1n\u00ed pevnosti.<\/p>\n
Na rozd\u00edl od portlandsk\u00e9ho cementu vykazuj\u00ed betony z hlinitanu v\u00e1penat\u00e9ho (CAC) vynikaj\u00edc\u00ed odolnost proti chemick\u00e9mu p\u016fsoben\u00ed a erozi zp\u016fsoben\u00e9 kysel\u00fdmi roztoky a sirovod\u00edkem v kanaliza\u010dn\u00edch s\u00edt\u00edch (mikrobi\u00e1ln\u00ed nebo bakteriogenn\u00ed koroze). To je chr\u00e1n\u00ed p\u0159ed rozpadnut\u00edm na men\u0161\u00ed \u00falomky, kter\u00e9 by se za b\u011b\u017en\u00fdch pov\u011btrnostn\u00edch podm\u00ednek nebo pod siln\u00fdm zat\u00ed\u017een\u00edm zp\u016fsoben\u00fdm pou\u017e\u00edv\u00e1n\u00edm t\u011b\u017ek\u00e9 techniky snadno rozpt\u00fdlily (k tomu je obzvl\u00e1\u0161t\u011b n\u00e1chyln\u00e1 ocelov\u00e1 v\u00fdztu\u017e pota\u017een\u00e1 cementem).<\/p>\n
CAC m\u016f\u017ee v\u00fdznamn\u011b p\u0159isp\u011bt k potla\u010den\u00ed koroze ocelov\u00e9 v\u00fdztu\u017ee, a to bu\u010f zv\u00fd\u0161en\u00edm schopnosti v\u00e1zat chloridy, nebo vytvo\u0159en\u00edm ochrann\u00e9ho gelu z oxidu hlinit\u00e9ho, kter\u00fd korozi zpomaluje. Studie rovn\u011b\u017e prok\u00e1zaly, \u017ee p\u0159i sm\u00edch\u00e1n\u00ed OPC a CAC je inhibi\u010dn\u00ed \u00fa\u010dinek dokonce vy\u0161\u0161\u00ed ne\u017e p\u0159i pou\u017eit\u00ed ka\u017ed\u00e9 z t\u011bchto l\u00e1tek samostatn\u011b.<\/p>\n
Bylo zji\u0161t\u011bno, \u017ee kombinace CAC a OPC v betonu maj\u00ed v\u00fdrazn\u00fd inhibi\u010dn\u00ed \u00fa\u010dinek na polariza\u010dn\u00ed odpor oceli, a to d\u00edky zv\u00fd\u0161en\u00e9 schopnosti v\u00e1zat chloridy, co\u017e sni\u017euje pohyblivost chloridov\u00fdch iont\u016f v p\u00f3rov\u00fdch roztoc\u00edch a t\u00edm omezuje jejich potenci\u00e1ln\u00ed korozivn\u00ed vliv na ocel.<\/p>\n
Hydratace CAC je obecn\u011b pomalej\u0161\u00ed ne\u017e u OPC, co\u017e omezuje uvol\u0148ov\u00e1n\u00ed z\u00e1sad do p\u00f3rov\u00e9 tekutiny a zpomaluje jej\u00ed p\u0159em\u011bnu na vrstvu hlinitanov\u00e9ho gelu. To sni\u017euje hodnotu pH a z\u00e1rove\u0148 zpomaluje tvorbu t\u00e9to vrstvy.<\/p>\n
CAC se vyzna\u010duje v\u00fdjime\u010dnou kone\u010dnou pevnost\u00ed dosa\u017eenou ji\u017e po 24 hodin\u00e1ch, d\u00edky \u010demu\u017e je vhodn\u00fd pro rychle tuhnouc\u00ed aplikace, jako jsou samonivela\u010dn\u00ed a vysoce pevn\u00e9 sp\u00e1rovac\u00ed hmoty, samonivela\u010dn\u00ed n\u00e1t\u011bry, potrubn\u00ed v\u00fdstelky a \u017e\u00e1ruvzdorn\u00e9 betony. Spole\u010dnost Bisley nab\u00edz\u00ed CAC (40-80% Al\u2082O\u2083), kter\u00e9 lze pro tyto \u00fa\u010dely pou\u017e\u00edt jak jako samostatn\u00e1 pojiva, tak i jako sou\u010d\u00e1st bin\u00e1rn\u00edch \u010di tern\u00e1rn\u00edch syst\u00e9m\u016f.<\/p>\n
Alumin\u00e1tov\u00e9 v\u00e1penn\u00e9 cementy a betony maj\u00ed inovativn\u00ed mikrostrukturu, d\u00edky n\u00ed\u017e jsou vysoce odoln\u00e9 v\u016f\u010di chemick\u00e9mu p\u016fsoben\u00ed a z\u00e1rove\u0148 dostate\u010dn\u011b trvanliv\u00e9, aby odol\u00e1valy ot\u011bru. Pr\u00e1v\u011b jejich chemick\u00e9 slo\u017een\u00ed a mikrostruktura jsou zodpov\u011bdn\u00e9 za tyto jedine\u010dn\u00e9 vlastnosti, d\u00edky nim\u017e jsou v\u00e1pencovo-hlinit\u00e9 cementy u\u017eite\u010dn\u00e9 v konkr\u00e9tn\u00edch aplikac\u00edch, jako je ochrana kanaliza\u010dn\u00edch trubek p\u0159ed tvorbou kyseliny s\u00edrov\u00e9 zp\u016fsobenou bakteriemi nebo jako oblo\u017een\u00ed hydraulick\u00fdch p\u0159ehrad proti opot\u0159eben\u00ed.<\/p>\n
CAC se \u010dasto kombinuj\u00ed s portlandsk\u00fdm cementem za \u00fa\u010delem v\u00fdroby chemicky odoln\u00fdch beton\u016f. Tato kombinace umo\u017e\u0148uje rychlej\u0161\u00ed hydrata\u010dn\u00ed procesy, d\u00edky \u010demu\u017e doch\u00e1z\u00ed k rychl\u00e9mu n\u00e1r\u016fstu pevnosti a kontrolovan\u00e9 expanzi b\u011bhem stavebn\u00edch projekt\u016f; nap\u0159\u00edklad vyrovn\u00e1vac\u00ed pot\u011bry a injek\u010dn\u00ed malty by m\u011bly dos\u00e1hnout sv\u00e9 kone\u010dn\u00e9 pevnosti do 24 hodin po sm\u00edch\u00e1n\u00ed.<\/p>\n
V\u0161echna hydraulick\u00e1 pojiva proch\u00e1zej\u00ed \u0159adou hydrata\u010dn\u00edch reakc\u00ed, kter\u00e9 z\u00e1vis\u00ed na okoln\u00ed teplot\u011b a obsahu vlhkosti, a to i p\u0159i vystaven\u00ed vod\u011b za podm\u00ednek zv\u00fd\u0161en\u00e9 vlhkosti a zv\u00fd\u0161en\u00fdch teplot. Hydrata\u010dn\u00ed reakce b\u00fdvaj\u00ed nej\u00fa\u010dinn\u011bj\u0161\u00ed, jsou-li za t\u011bchto podm\u00ednek p\u0159\u00edmo vystavena vlhkosti; zejm\u00e9na CAC se b\u011bhem tohoto procesu jev\u00ed jako m\u00e9n\u011b citliv\u00e1 na vlhkost ne\u017e OPC.<\/p>\n
Alumin\u00e1tov\u00e9 v\u00e1penn\u00e9 cementy vytv\u00e1\u0159ej\u00ed b\u011bhem hydratace matrici, kter\u00e1 je prosycena gelovitou vrstvou hydratovan\u00e9ho alumin\u00e1tu, jen\u017e v\u00e1\u017ee kovov\u00e9 ionty, jako jsou chloridov\u00e9 a \u017eelezn\u00e9, a zaji\u0161\u0165uje tak zv\u00fd\u0161enou chemickou odolnost proti korozn\u00edm vliv\u016fm. Krom\u011b toho tato gelovit\u00e1 vrstva zabra\u0148uje t\u011bmto kovov\u00fdm iont\u016fm reagovat s oxidem k\u0159emi\u010dit\u00fdm v matrici a vytv\u00e1\u0159et expanzivn\u00ed ettringitovou korozi uvnit\u0159 trubek z tv\u00e1rn\u00e9 litiny \u2013 co\u017e je dal\u0161\u00ed b\u011b\u017en\u00e1 p\u0159\u00ed\u010dina koroze.<\/p>\n
Zv\u00fd\u0161en\u00ed hodnoty pH na povrchu malty CAC nebo betonu je dal\u0161\u00edm kl\u00ed\u010dov\u00fdm faktorem pro jej\u00ed zv\u00fd\u0161enou odolnost proti biogenn\u00ed korozi. P\u0159i podroben\u00ed zrychlen\u00e9 zkou\u0161ce MIC, kter\u00e1 napodobuje p\u0159irozen\u00e9 podm\u00ednky spojen\u00e9 s kanaliza\u010dn\u00ed infrastrukturou, kles\u00e1 po\u010det bun\u011bk jak ve vzorc\u00edch malty OPC 45, tak ve vzorc\u00edch CAC 45 na podobnou \u00farove\u0148; vzorky CAC se v\u0161ak stabilizuj\u00ed na hodnot\u011b kolem 2, \u010d\u00edm\u017e se v\u00fdrazn\u011b sni\u017euje produkce kyseliny s\u00edrov\u00e9 bakteriemi.<\/p>\n
Spole\u010dnost Bisley distribuuje cementy na b\u00e1zi hlinitanu v\u00e1penat\u00e9ho (CAC) zna\u010dky Istra, kter\u00e9 vyr\u00e1b\u00ed spole\u010dnost CALUCEM, pro pou\u017eit\u00ed ve stavebn\u00edch v\u00fdrobc\u00edch, jako jsou samonivela\u010dn\u00ed a vysoce pevn\u00e9 injek\u010dn\u00ed malty, malty pro vyzd\u00edv\u00e1n\u00ed potrub\u00ed a sanaci kanalizace a \u017e\u00e1ruvzdorn\u00e9 betony. CAC se vyzna\u010duj\u00ed rychl\u00fdm tuhnut\u00edm, vysokou po\u010d\u00e1te\u010dn\u00ed pevnost\u00ed a v\u00fdjime\u010dnou chemickou odolnost\u00ed, a to jak samostatn\u011b, tak jako sou\u010d\u00e1st dvoukomponentn\u00edch \u010di t\u0159\u00edkomponentn\u00edch syst\u00e9m\u016f.<\/p>","protected":false},"excerpt":{"rendered":"
Calcium Aluminate Cements are high-performance specialty binders and mineral reagents with various useful properties, and Bisley supplies CALUCEM’s range of […]<\/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":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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":[6],"tags":[],"class_list":["post-52","post","type-post","status-publish","format-standard","hentry","category-alumina-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/comments?post=52"}],"version-history":[{"count":1,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/52\/revisions"}],"predecessor-version":[{"id":53,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/52\/revisions\/53"}],"wp:attachment":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/media?parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/categories?post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/tags?post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}