{"id":3077,"date":"2025-09-23T06:12:11","date_gmt":"2025-09-23T06:12:11","guid":{"rendered":"https:\/\/cpxzx.com\/?post_type=product&#038;p=3077"},"modified":"2025-09-23T06:12:11","modified_gmt":"2025-09-23T06:12:11","slug":"99-billes-ceramiques-inertes-en-alumine","status":"publish","type":"product","link":"https:\/\/cpxzx.com\/fr\/produit\/99-billes-ceramiques-inertes-en-alumine\/","title":{"rendered":"99% AL\u2082O\u2083 Boule en c\u00e9ramique d'alumine inerte"},"content":{"rendered":"<p>Les billes de broyage en c\u00e9ramique d'alumine sont des mat\u00e9riaux de haute performance con\u00e7us pour \u00eatre utilis\u00e9s dans les applications de support de catalyseur, de garnissage de tour et de broyage. Fabriqu\u00e9es \u00e0 partir d'oxyde d'alumine de haute puret\u00e9, ces billes pr\u00e9sentent une excellente duret\u00e9, un faible taux d'usure et une stabilit\u00e9 chimique fiable.<\/p>\n<p>Les billes d'oxyde d'alumine sont largement utilis\u00e9es dans le raffinage du p\u00e9trole, les usines d'engrais, le traitement du gaz naturel et les industries de protection de l'environnement. Leur r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es, \u00e0 la pression et aux produits chimiques corrosifs les rend id\u00e9ales pour une utilisation \u00e0 long terme dans des environnements industriels exigeants.<\/p>\n<p>Mat\u00e9riau polyvalent, la bille d'alumine assure non seulement une protection efficace du catalyseur et une distribution uniforme des fluides, mais sert \u00e9galement de moyen de broyage durable dans les industries c\u00e9ramiques, chimiques et min\u00e9rales.<\/p>\n<h2>Applications cl\u00e9s<\/h2>\n<ul>\n<li>Support de catalyseur et protection du lit catalytique dans les unit\u00e9s de raffinage du p\u00e9trole et de p\u00e9trochimie<\/li>\n<li>Emballage al\u00e9atoire et remplissage de tours pour contacteurs de gaz et de liquides<\/li>\n<li>Reformage \u00e0 haute temp\u00e9rature et couches de support pour la synth\u00e8se de l'ammoniac<\/li>\n<li>Installations de traitement du gaz naturel, de d\u00e9sulfuration et de protection de l'environnement<\/li>\n<li>Distributeur de fluides et supports dans divers r\u00e9acteurs catalytiques<\/li>\n<\/ul>\n<h2>Composition chimique<\/h2>\n<table>\n<thead>\n<tr>\n<th>Composant<\/th>\n<th>Contenu typique<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Al\u2082O\u2083 (Alumine)<\/td>\n<td>\u2265 99.0%<\/td>\n<\/tr>\n<tr>\n<td>SiO\u2082 (Silice)<\/td>\n<td>&lt; 0,1-0,2%<\/td>\n<\/tr>\n<tr>\n<td>Fe\u2082O\u2083 (oxyde de fer)<\/td>\n<td>&lt; 0,1-0,2%<\/td>\n<\/tr>\n<tr>\n<td>Autres impuret\u00e9s (MgO, CaO, TiO\u2082, Na\u2082O, K\u2082O)<\/td>\n<td>Trace<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Propri\u00e9t\u00e9s physiques et performances<\/h2>\n<table>\n<thead>\n<tr>\n<th>Propri\u00e9t\u00e9<\/th>\n<th>Valeur typique \/ Gamme<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Masse volumique \/ Densit\u00e9 apparente<\/td>\n<td>\u2248 1,9 - 2,2 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Densit\u00e9 r\u00e9elle<\/td>\n<td>&gt; 3,6 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Absorption de l'eau<\/td>\n<td>\u2264 4% (g\u00e9n\u00e9ralement tr\u00e8s faible)<\/td>\n<\/tr>\n<tr>\n<td>Temp\u00e9rature de service maximale<\/td>\n<td>~1550 - 1650 \u00b0C (grades sup\u00e9rieurs disponibles)<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance m\u00e9canique<\/td>\n<td>Haute ; faible friabilit\u00e9, excellente r\u00e9sistance \u00e0 l'\u00e9crasement<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance chimique<\/td>\n<td>Excellente r\u00e9sistance aux acides, aux alcalis et \u00e0 la plupart des solvants organiques<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance aux chocs thermiques<\/td>\n<td>Bon - stable en cas de changements rapides de temp\u00e9rature<\/td>\n<\/tr>\n<tr>\n<td>Duret\u00e9 Mohs<\/td>\n<td>~8 - 9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Tailles et tol\u00e9rances disponibles<\/h2>\n<p>Diam\u00e8tres standard (mm) : 3, 6, 9-10, 13, 19, 25, 38, 50. Des dimensions sp\u00e9ciales et des tol\u00e9rances plus \u00e9troites sont disponibles sur demande.<\/p>\n<h2>Principales caract\u00e9ristiques et avantages<\/h2>\n<ul>\n<li><strong>Haute puret\u00e9 (\u226599% Al\u2082O\u2083)<\/strong> - minimise la contamination et \u00e9vite l'empoisonnement du catalyseur.<\/li>\n<li><strong>Stabilit\u00e9 thermique sup\u00e9rieure<\/strong> - convient aux applications \u00e0 tr\u00e8s haute temp\u00e9rature.<\/li>\n<li><strong>Excellente inertie chimique<\/strong> - r\u00e9siste aux acides, aux alcalis et aux solvants courants.<\/li>\n<li><strong>Faible absorption d'eau et faible porosit\u00e9<\/strong> - r\u00e9duit les effets ind\u00e9sirables d'adsorption et de changement de phase.<\/li>\n<li><strong>R\u00e9sistance m\u00e9canique \u00e9lev\u00e9e<\/strong> - une longue dur\u00e9e de vie dans des conditions d'\u00e9coulement de fluide et de charge.<\/li>\n<li><strong>Taille polyvalente<\/strong> - optimis\u00e9 pour diff\u00e9rentes couches dans les lits garnis et les syst\u00e8mes de distribution.<\/li>\n<\/ul>\n<h2>Utilisations typiques et notes d'installation<\/h2>\n<ol>\n<li>S'utilise comme support sup\u00e9rieur\/ inf\u00e9rieur ou comme couche protectrice sur les lits catalytiques actifs pour emp\u00eacher la perte et l'\u00e9rosion du catalyseur.<\/li>\n<li>Pour les tours \u00e0 garnissage, s\u00e9lectionner la distribution des tailles pour contr\u00f4ler la chute de pression du lit garni et la distribution du d\u00e9bit.<\/li>\n<li>Lorsque le processus est extr\u00eamement sensible \u00e0 la silice ou exige un taux d'impuret\u00e9s tr\u00e8s faible, v\u00e9rifiez les sp\u00e9cifications des oligo-\u00e9l\u00e9ments avant l'achat.<\/li>\n<li>\u00c9viter les charges \u00e0 fort impact lors de la manutention et de l'installation afin d'\u00e9viter l'\u00e9caillage de la surface.<\/li>\n<\/ol>\n<h2>Emballage et exp\u00e9dition<\/h2>\n<p>Options d'emballage standard :<\/p>\n<ul>\n<li>Sacs tiss\u00e9s (doublure int\u00e9rieure en plastique) sur palettes<\/li>\n<li>Big-bags en vrac (FIBC) pour les exp\u00e9ditions de tonnage<\/li>\n<li>Caisses en bois ou f\u00fbts en acier pour les lots de petite taille ou de grande valeur<\/li>\n<\/ul>\n<p>Un marquage personnalis\u00e9, des certificats de mat\u00e9riaux et un emballage adapt\u00e9s aux exigences des exp\u00e9ditions internationales sont disponibles sur demande.<\/p>","protected":false},"excerpt":{"rendered":"<p>La bille c\u00e9ramique d'alumine inerte 99% AL\u2082O\u2083 est un m\u00e9dia c\u00e9ramique de haute puret\u00e9 et de haute r\u00e9sistance fabriqu\u00e9 \u00e0 partir de poudres d'alumine de premi\u00e8re qualit\u00e9 et cuit \u00e0 haute temp\u00e9rature. Elle est largement utilis\u00e9e comme support de catalyseur, comme emballage al\u00e9atoire et comme couche de protection dans les tours chimiques, les reformeurs, les unit\u00e9s de traitement des gaz et d'autres environnements industriels corrosifs \u00e0 haute temp\u00e9rature. Le produit pr\u00e9sente une excellente stabilit\u00e9 thermique, une faible absorption d'eau, une forte r\u00e9sistance aux acides et aux alcalis, ainsi qu'une r\u00e9sistance m\u00e9canique exceptionnelle.<\/p>","protected":false},"featured_media":3078,"parent":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"pcategory":[27],"ptag":[],"class_list":["post-3077","product","type-product","status-publish","has-post-thumbnail","hentry","pcategory-ceramic-balls"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>99% AL\u2082O\u2083 Inert Alumina Ceramic Ball<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cpxzx.com\/fr\/produit\/99-billes-ceramiques-inertes-en-alumine\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"99% AL\u2082O\u2083 Inert Alumina Ceramic Ball\" \/>\n<meta property=\"og:description\" content=\"The 99% AL\u2082O\u2083 inert alumina ceramic ball is a high-purity, high-strength ceramic media manufactured from premium alumina powders and fired at high temperature. 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