{"id":6618,"date":"2021-04-04T12:30:22","date_gmt":"2021-04-04T12:30:22","guid":{"rendered":"https:\/\/www.aluminaceramicball.com\/?p=6618"},"modified":"2021-07-12T02:13:27","modified_gmt":"2021-07-12T02:13:27","slug":"comparacion-de-parametros-entre-polvo-de-alumina-y-polvo-de-corindon-blanco","status":"publish","type":"post","link":"https:\/\/www.aluminaceramicball.com\/es\/comparacion-de-parametros-entre-polvo-de-alumina-y-polvo-de-corindon-blanco\/","title":{"rendered":"Comparaci\u00f3n de par\u00e1metros entre el polvo de al\u00famina y el polvo de corind\u00f3n blanco"},"content":{"rendered":"
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Polvo de al\u00famina<\/a> y polvo de corind\u00f3n blanco<\/a> tienen la misma apariencia y nombres similares. Muchas personas quieren aclarar la diferencia entre ellos. A continuaci\u00f3n se distingue de su propia composici\u00f3n y le indica la diferencia:<\/p>

1. Polvo de al\u00famina<\/p>

(1) Aspecto: polvo blanco, fase cristalina \u03b3 fase;<\/p>

(2) Color: blanco, azul oscuro tras la calcinaci\u00f3n.<\/p>

(3) Contenido %: superior a 99,9%;<\/p>

(4) Tama\u00f1o medio de las part\u00edculas (nm): 20\u00b15;<\/p>

(5) Punto de ebullici\u00f3n: 2980 \u2103;<\/p>

(6) Densidad relativa (agua = 1): 3.97-4.0;<\/p>

(7) Punto de fusi\u00f3n: 2010 \u2103-2050 \u2103;<\/p>

2. Polvo de corind\u00f3n blanco<\/p>

(1) Forma cristalina: sistema cristalino trigonal;<\/p>

(2) Calor espec\u00edfico (Cal\/g.C): 0.26 (20-90C);<\/p>

(3) Densidad: 3,90 g\/cm3;<\/p>

(4) Coeficiente de dilataci\u00f3n lineal: (7-9)*10^-6\/K (0-1600C).<\/p>

(5) Punto de fusi\u00f3n: 2250C;<\/p>

(6) \u00cdndice de refracci\u00f3n: e=1,760 w=1,768 (l\u00ednea Na);<\/p>

(7) *Alta temperatura de funcionamiento: 1900C;<\/p>

(8) Dureza: Dureza Knoop 2000-2200Kg\/mm2, dureza Mohs 9,0;<\/p>

(9) Conductividad t\u00e9rmica: 900C a temperatura ambiente (Cal\/cm3.seg.C);<\/p>

Polvo de corind\u00f3n blanco<\/a> es adecuado para la fabricaci\u00f3n de cer\u00e1mica, herramientas abrasivas consolidadas con resina, as\u00ed como para el esmerilado, pulido, chorro de arena, fundici\u00f3n de precisi\u00f3n, etc. Tambi\u00e9n puede utilizarse para fabricar materiales refractarios de alto grado. El polvo de al\u00famina puede utilizarse en conducci\u00f3n de calor, pulido, galvanoplastia, catalizadores, etc.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Alumina powder and white corundum powder have the same appearance and similar names. Many people want to clarify the difference between them. The following distinguishes it from its own composition and tells you the difference: 1. Alumina powder (1) Appearance: white powder, crystalline phase \u03b3 phase; (2) Color: white, dark blue after calcination. (3) Content […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"default","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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":"","background-image":"","background-repeat":"repeat","background-position":"center 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