{"id":1594,"date":"2021-07-07T09:38:05","date_gmt":"2021-07-07T09:38:05","guid":{"rendered":"https:\/\/comercialcobra.com\/materials\/"},"modified":"2021-10-20T13:43:19","modified_gmt":"2021-10-20T13:43:19","slug":"materials","status":"publish","type":"page","link":"https:\/\/comercialcobra.com\/ca\/materials\/","title":{"rendered":"Materials"},"content":{"rendered":"\t\t
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MATERIALS<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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DE PRIMERA QUALITAT<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A Comercial Cobra tenim la capacitat t\u00e8cnica necess\u00e0ria per satisfer les demandes dels nostres clients.<\/div>
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Els nostres productes estan elaborats amb materials de primera qualitat: Silicat (SiO2), Al\u00famina (Al2O3) i Nitrur d’alumini (AIN), el que allarga la vida dels productes.<\/div>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Comparativa de les propietats dels materials<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Valors obtinguts en laboratori. En condicions normals d’us pot haver-hi petites variacions.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Propietats<\/th>Unitats de Mesura<\/th>Porcellana<\/th>Esteatita<\/th>Esteatita<\/th>Cordierita<\/th>Cordierita<\/th>Mullita<\/th>Al\u00famina<\/th><\/tr><\/thead>
Equivalent a DIN 40685 – CEI 672 – EN 60672<\/td>\u00a0<\/td>C-112<\/td>C-220<\/td>C-221<\/td>C-410<\/td>C-511<\/td>C-610<\/td>C-795<\/td><\/tr>
Composici\u00f3 Qu\u00edmica<\/td><\/tr>
SiO2<\/span><\/td>%<\/td>70<\/td>60-65<\/td>60<\/td>60<\/td>50<\/td>40<\/td>–<\/td><\/tr>
AI2<\/span>O3<\/span><\/td>%<\/td>20<\/td>15-17<\/td>–<\/td>30<\/td>35<\/td>50<\/td>96<\/td><\/tr>
MgO<\/td>%<\/td>–<\/td>18-20<\/td>25<\/td>3-5<\/td>10<\/td>–<\/td>–<\/td><\/tr>
Propietats F\u00edsiques<\/td><\/tr>
Color<\/td>\u00a0<\/td>Blanc<\/td>Blanc<\/td>Blanc<\/td>Blanc<\/td>Marr\u00f3<\/td>Blanc<\/td>Blanc<\/td><\/tr>
Porositat<\/td>%<\/td>Menys de 1<\/td>0’5<\/td>0<\/td>0<\/td>15-20<\/td>0<\/td>0<\/td><\/tr>
Resist\u00e8ncia a la Flexi\u00f3<\/td>kg\/cm2<\/sup><\/td>\u00a0800<\/td>\u00a01200<\/td>\u00a01400<\/td>800<\/td>300<\/td>1200<\/td>3000<\/td><\/tr>
Resist\u00e8ncia a la Compressi\u00f3<\/td>kg\/cm2<\/span><\/td>\u00a02500<\/td>\u00a04000<\/td>\u00a05000<\/td>2500<\/td>2000<\/td>3500<\/td>25000<\/td><\/tr>
Elasticitat<\/td>kg\/cm2\u00a0<\/sup>106<\/sup><\/td>0.7<\/td>\u00a00.8<\/td>1.0<\/td>0.75<\/td>–<\/td>1.0<\/td>–<\/td><\/tr>
Duresa<\/td>Moh’s<\/td>6-6.5<\/td>6-7<\/td>6-7<\/td>\u00a06-6.5<\/td>–<\/td>7<\/td>12<\/td><\/tr>
Propietats T\u00e8rmiques<\/td><\/tr>
Coeficient expansi\u00f3 T\u00e8rmica 30-600\u00baC<\/td>10-6<\/sup>\/\u00baC<\/td>6-7<\/td>6-7<\/td>6-7<\/td>6-7<\/td>4-5<\/td>5-6<\/td>8<\/td><\/tr>
Resist\u00e8ncia Xoc T\u00e8rmic<\/td>\u00a0\u00baC<\/td>200<\/td>250<\/td>300<\/td>400<\/td>750<\/td>300<\/td>220<\/td><\/tr>
Conductivitat T\u00e8rmica<\/td>\u00a0W\/M \u00baK<\/td>1.4-2.5<\/td>\u00a02-3<\/td>\u00a02-3<\/td>\u00a01.2-2.5<\/td>1.3-1.8<\/td>2-6<\/td>25<\/td><\/tr>
Temperatura m\u00e0xima de treball<\/td>\u00baC<\/td>600<\/td>1000<\/td>1050<\/td>600<\/td>1000<\/td>1000<\/td>1450<\/td><\/tr>
Propietats El\u00e8ctriques (20\u00baC)<\/td><\/tr>
Resist\u00e8ncia a la perforaci\u00f3<\/td>KV\/mm<\/td>8<\/td>10<\/td>20<\/td>10<\/td>–<\/td>10<\/td>18<\/td><\/tr>
Constant Diel\u00e8ctrica<\/td>\u00a0<\/td>5.0<\/td>5.5<\/td>6.5<\/td>6.0<\/td>–<\/td>7.0<\/td>9.5<\/td><\/tr>
Resistivitat<\/td>Ohm-cm<\/td>10<\/span>11<\/span><\/td>10<\/span>11<\/span><\/td>10<\/span>11<\/span><\/td>10<\/span>10<\/span><\/td>–<\/td>10<\/span>11<\/span><\/td>10<\/span>12<\/span>–10<\/span>13<\/span><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Com contactar-nos?<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Grassot, 65<\/p>

08025 Barcelona (Espa\u00f1a)<\/p>

+34 931 831 535<\/a><\/p>

cobra@comercialcobra.com<\/a><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\tContacti\u2019ns <\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\"\"<\/a>COMERCIAL COBRA<\/strong><\/em>\n
\nGrassot, 65 08025 Barcelona (Espa\u00f1a)<\/a>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

MATERIALS DE PRIMERA QUALITAT A Comercial Cobra tenim la capacitat t\u00e8cnica necess\u00e0ria per satisfer les demandes dels nostres clients.\u00a0Els nostres productes estan elaborats amb materials de primera qualitat: Silicat (SiO2), Al\u00famina (Al2O3) i Nitrur d’alumini (AIN), el que allarga la vida dels productes. Comparativa de les propietats dels materials Valors obtinguts en laboratori. En condicions … Llegiu m\u00e9s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/pages\/1594"}],"collection":[{"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/comments?post=1594"}],"version-history":[{"count":0,"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/pages\/1594\/revisions"}],"wp:attachment":[{"href":"https:\/\/comercialcobra.com\/ca\/wp-json\/wp\/v2\/media?parent=1594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}