{"id":12755,"date":"2025-01-30T11:15:47","date_gmt":"2025-01-30T10:15:47","guid":{"rendered":"https:\/\/ingritech.pl\/product\/bezny-elektrokorund-brown-aluminium-oxide-bfa\/"},"modified":"2026-04-20T08:49:04","modified_gmt":"2026-04-20T06:49:04","slug":"bezny-elektrokorund-brown-aluminium-oxide-bfa","status":"publish","type":"product","link":"https:\/\/ingritech.pl\/cs\/product\/bezny-elektrokorund-brown-aluminium-oxide-bfa\/","title":{"rendered":"B\u011b\u017en\u00fd elektrokorund \/ BROWN ALUMINIUM OXIDE (BFA)"},"content":{"rendered":"

Hlinitok\u0159emi\u010ditan (BFA)<\/strong> je trvanliv\u00fd a odoln\u00fd brusn\u00fd materi\u00e1l, kter\u00fd se vyr\u00e1b\u00ed taven\u00edm bauxitu v obloukov\u00fdch pec\u00edch. D\u00edky vysok\u00e9 tvrdosti (9 na Mohsov\u011b stupnici) a odolnosti proti od\u011bru se skv\u011ble hod\u00ed k obr\u00e1b\u011bn\u00ed kov\u016f, skla, keramiky a dal\u0161\u00edch tvrd\u00fdch materi\u00e1l\u016f.<\/p>\n

Hlavn\u00ed v\u00fdhody:<\/strong><\/p>\n

\u25ef Vysok\u00e1 tvrdost a odolnost proti opot\u0159eben\u00ed \u2013 \u00fa\u010dinn\u00e9 brou\u0161en\u00ed a \u010di\u0161t\u011bn\u00ed povrch\u016f.<\/p>\n

\u25ef Stabiln\u00ed chemick\u00e9 slo\u017een\u00ed \u2013 bezpe\u010dn\u00e9 pou\u017eit\u00ed, bez \u0161kodliv\u00fdch ne\u010distot.<\/p>\n

\u25ef Minim\u00e1ln\u00ed mno\u017estv\u00ed prachu \u2013 zaji\u0161\u0165uje \u010distotu pracovi\u0161t\u011b.<\/p>\n

\u25ef V\u0161estrannost pou\u017eit\u00ed \u2013 vhodn\u00fd pro r\u016fzn\u00e9 mechanick\u00e9 procesy.<\/p>\n

\u25ef Odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m \u2013 teplota t\u00e1n\u00ed cca 2200 \u00b0C. <\/p>\n

Fyzik\u00e1ln\u00ed a chemick\u00e9 vlastnosti hn\u011bd\u00e9ho oxidu hlinit\u00e9ho (BFA):<\/strong><\/h3>\n

\u25ef Tvar:<\/strong> Pevn\u00e9, hranat\u00e9 \u010d\u00e1stice<\/p>\n

\u25ef Barva:<\/strong> Hn\u011bd\u00e1<\/p>\n

\u25ef Z\u00e1pach:<\/strong> \u017d\u00e1dn\u00fd<\/p>\n

\u25ef Rozpustnost ve vod\u011b:<\/strong> Nerozpustn\u00fd<\/p>\n

\u25ef Tvrdost:<\/strong> 9,0 (Mohsova stupnice)<\/p>\n

\u25ef Mikrotvrdost:<\/strong> 1800 – 2400 kgf\/mm\u00b2<\/p>\n

\u25ef Hustota:<\/strong> (cca) 4 g\/cm\u00b3<\/p>\n

\u25ef M\u011brn\u00e1 hmotnost:<\/strong> (cca) 4,6 g\/cm\u00b3<\/p>\n

\u25ef Teplota t\u00e1n\u00ed:<\/strong> (cca) 3722 \u00b0F | 2050 \u00b0C<\/p>\n

\u25ef Modul pru\u017enosti:<\/strong> 7,6 \u00d7 10\u00b9\u00b9 N\/m\u00b2<\/p>\n

\u25ef Chemick\u00e9 slo\u017een\u00ed:<\/strong><\/p>\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n
Al2O3<\/strong><\/td>\n–<\/td>\n88,0\u2013 99,0<\/td>\n%<\/td>\n<\/tr>\n
Fe2O3<\/strong><\/td>\n–<\/td>\n2,0 \u2013 3,0<\/td>\n%<\/td>\n<\/tr>\n
TiO2<\/strong><\/td>\n–<\/td>\n3,0 \u2013 5,0<\/td>\n%<\/td>\n<\/tr>\n
SiO2<\/strong><\/td>\n–<\/td>\n2,0 \u2013 3,0<\/td>\n%<\/td>\n<\/tr>\n
CaO<\/strong><\/td>\n–<\/td>\n0,6 \u2013 0,8<\/td>\n%<\/td>\n<\/tr>\n
MgO<\/strong><\/td>\n–<\/td>\n0,3 \u2013 0,5<\/td>\n%<\/td>\n<\/tr>\n
C<\/strong><\/td>\n–<\/td>\n0,3 \u2013 0,4<\/td>\n%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n
FEPA (F)<\/strong><\/td>\nS\u00ed\u0165 \u010d. \u2116<\/strong><\/td>\nRozm\u011bry (mm)<\/strong><\/td>\n<\/tr>\n
F24<\/td>\n20\u201340<\/td>\n0.60\u20130.85<\/td>\n<\/tr>\n
F36<\/td>\n30\u201350<\/td>\n0.425\u20130.60<\/td>\n<\/tr>\n
F46<\/td>\n36\u201354<\/td>\n0.30\u20130.425<\/td>\n<\/tr>\n
F60<\/td>\n45\u201360<\/td>\n0.212\u20130.30<\/td>\n<\/tr>\n
F80<\/td>\n54\u201370<\/td>\n0.18\u20130.212<\/td>\n<\/tr>\n
F100<\/td>\n70\u2013100<\/td>\n0.15\u20130.18<\/td>\n<\/tr>\n
F120<\/td>\n80\u2013120<\/td>\n0.125\u20130.15<\/td>\n<\/tr>\n
F150<\/td>\n100\u2013140<\/td>\n0.106\u20130.125<\/td>\n<\/tr>\n
F180<\/td>\n120\u2013140<\/td>\n0.09\u20130.106<\/td>\n<\/tr>\n
F220<\/td>\n140\u2013170<\/td>\n0.063\u20130.09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"