{"id":3954,"date":"2018-11-14T14:32:29","date_gmt":"2018-11-14T13:32:29","guid":{"rendered":"https:\/\/rauschert.com\/product-area\/technical-ceramics\/materials\/porenkeramik-ramul-rakor\/"},"modified":"2024-02-07T13:49:09","modified_gmt":"2024-02-07T12:49:09","slug":"porous-ceramics-ramul-rakor","status":"publish","type":"page","link":"https:\/\/rauschert.com\/en\/product-area\/technical-ceramics\/materials\/porous-ceramics-ramul-rakor\/","title":{"rendered":"Porous ceramics RAMUL\/RAKOR"},"content":{"rendered":"

RAMUL<\/strong> is a aluminum oxide on the basis of the material mullite. Through the application of a new procedure a weight reduction of approximately 30% compared to similar materials is achieved. It is applicable for temperatures of up to 1,600 \u00b0C.<\/p>\n

Under the name RAMUL-HT<\/strong> we offer a mullite ceramic. Through the use of state-of-the-art materials it possesses excellent thermo-mechanical properties and is therefore suitable for long-term high temperature applications of up to 1,700 \u00b0C.<\/p>\n

RAKOR<\/strong> is a corundum ceramic developed by Rauschert. Through the use of state-of-the-art materials it possesses excellent thermo-mechanical properties and is therefore suitable for long-term high temperature applications of up to 1,700 \u00b0C. RAKOR also doesn\u2019t absorb any lead during sintering piezo or PTC ceramics. Therefore the amount of hazardous waste is depleted and a longer lifetime is guaranteed.<\/p>\n

 <\/p>\n

\n
\n

Production & properties<\/h3>\n

\"RAKOR-Produktgruppe\"<\/p>\n

By using shaping techniques such as dry and wet pressing, a variety of different geometric shapes can be realized.<\/p>\n

Due to a very low shrinkage of the material a near-net shape production is possible.<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n
Properties<\/strong><\/td>\n<\/td>\nRAMUL<\/strong><\/td>\n<\/td>\nRAMUL-HT<\/strong><\/td>\n<\/td>\nRAKOR<\/strong><\/td>\n<\/tr>\n
Bulk density<\/td>\ng\/cm3<\/sup><\/em><\/td>\n2.1<\/td>\n<\/td>\n2.2<\/td>\n<\/td>\n2.3<\/td>\n<\/tr>\n
Porosity<\/td>\n%<\/em><\/td>\n30<\/td>\n<\/td>\n37<\/td>\n<\/td>\n40<\/td>\n<\/tr>\n
Max. operating temperature<\/td>\n\u00b0C<\/em><\/td>\n1,600<\/td>\n<\/td>\n1,700<\/td>\n<\/td>\n1,700<\/td>\n<\/tr>\n
Al2<\/sub>O3 <\/sub>content<\/td>\n%<\/em><\/td>\n79.7<\/td>\n<\/td>\n88.4<\/td>\n<\/td>\n99.43<\/td>\n<\/tr>\n
SiO2<\/sub> content<\/td>\n%<\/em><\/td>\n19.8<\/td>\n<\/td>\n11.16<\/td>\n<\/td>\n0.29<\/td>\n<\/tr>\n
Bending strength 20 \u00b0C (3-point)<\/td>\nN\/mm2<\/sup><\/em><\/td>\n31<\/td>\n<\/td>\n25<\/td>\n<\/td>\n44<\/td>\n<\/tr>\n
Material Index I<\/em><\/td>\nat 1,500 \u00b0C
\nat 1,400 \u00b0C<\/em><\/td>\n		0.0138
\n–<\/td>\n		<\/td>\n0.0136
\n–<\/td>\n		<\/td>\n–
\n0.0210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

The Material Index I was established by the Fraunhofer Institute ISC as a quality criteria of high temperature materials for better comparison of materials with different densities. A lower material index means less energy expenditure with reduced creep tendency at the same time.<\/p>\n

\n\"Material<\/p>\n<\/div>\n
\n

\"Material<\/p>\n<\/div>\n<\/div>\n

\n
\n

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

RAMUL is a aluminum oxide on the basis of the material mullite. Through the application of a new procedure a weight reduction of approximately 30% compared to similar materials is achieved. It is applicable for temperatures of up to 1,600 \u00b0C. Under the name RAMUL-HT we offer a mullite ceramic. Through the use of state-of-the-art […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":3932,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"template-product.php","meta":{"footnotes":""},"class_list":["post-3954","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nPorous ceramics RAMUL\/RAKOR - Rauschert<\/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:\/\/rauschert.com\/en\/product-area\/technical-ceramics\/materials\/porous-ceramics-ramul-rakor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Porous ceramics RAMUL\/RAKOR - Rauschert\" \/>\n<meta property=\"og:description\" content=\"RAMUL is a aluminum oxide on the basis of the material mullite. 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