{"id":1230,"date":"2026-10-05T11:03:53","date_gmt":"2026-10-05T03:03:53","guid":{"rendered":"https:\/\/anchor-microporous.com\/microporous-insulation-board-vs-calcium-silicate\/"},"modified":"2026-10-07T12:04:41","modified_gmt":"2026-10-07T04:04:41","slug":"panneau-isolant-microporeux-vs-silicate-de-calcium","status":"publish","type":"post","link":"https:\/\/anchor-microporous.com\/fr\/microporous-insulation-board-vs-calcium-silicate\/","title":{"rendered":"Panneau d'isolation microporeux vs. silicate de calcium : une comparaison de conductivit\u00e9 thermique"},"content":{"rendered":"<p class=\"wp-block-paragraph\">La plaque de silicate de calcium est l'isolant de secours en place dans de nombreuses poches, fours et fourneaux \u2014 et c'est le mat\u00e9riau auquel on nous demande le plus souvent de nous comparer. Cet article met notre plaque isolante nanoporeuse microporeuse c\u00f4te \u00e0 c\u00f4te avec le silicate de calcium sur les chiffres qui comptent pour un prescripteur : la conductivit\u00e9 thermique sur toute la plage de service, et ce que la diff\u00e9rence signifie pour l'\u00e9paisseur et le poids du rev\u00eatement. Toutes les valeurs microporeuses ci-dessous sont des valeurs mesur\u00e9es de notre plaque standard ; les valeurs de comparaison pour le silicate de calcium, la fibre c\u00e9ramique, la laine de roche et la brique isolante sont les m\u00eames donn\u00e9es de r\u00e9f\u00e9rence que nous publions sur la <a href=\"https:\/\/anchor-microporous.com\/fr\/plaque-standard\/\">plaque isolante nano standard<\/a> page.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comparaison de la conductivit\u00e9 thermique (W\/m\u00b7K)<\/h2>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Temp\u00e9rature moyenne<\/th><th>Brique isolante<\/th><th>Laine de roche<\/th><th>Fibre c\u00e9ramique<\/th><th>Silicate de calcium<\/th><th>Air immobile<\/th><th>Microporeux<\/th><\/tr><\/thead><tbody><tr><td>-100 \u00b0C<\/td><td>0.1180<\/td><td>0.0320<\/td><td>0.0300<\/td><td>0.0380<\/td><td>0.0160<\/td><td>0.0200<\/td><\/tr><tr><td>0 \u00b0C<\/td><td>0.1200<\/td><td>0.0330<\/td><td>0.0320<\/td><td>0.0400<\/td><td>0.0180<\/td><td>0.0210<\/td><\/tr><tr><td>100 \u00b0C<\/td><td>0.1220<\/td><td>0.0370<\/td><td>0.0360<\/td><td>0.0460<\/td><td>0.0200<\/td><td>0.0220<\/td><\/tr><tr><td>200 \u00b0C<\/td><td>0.1250<\/td><td>0.0550<\/td><td>0.0440<\/td><td>0.0550<\/td><td>0.0220<\/td><td>0.0210<\/td><\/tr><tr><td>300 \u00b0C<\/td><td>0.1300<\/td><td>0.0800<\/td><td>0.0600<\/td><td>0.0650<\/td><td>0.0250<\/td><td>0.0240<\/td><\/tr><tr><td>400 \u00b0C<\/td><td>0.1350<\/td><td>0.1200<\/td><td>0.0800<\/td><td>0.0800<\/td><td>0.0360<\/td><td>0.0240<\/td><\/tr><tr><td>500 \u00b0C<\/td><td>0.1440<\/td><td>0.1800<\/td><td>0.1100<\/td><td>0.0960<\/td><td>0.0440<\/td><td>0.0280<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Que signifient les chiffres dans un rev\u00eatement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sur toute la plage, le panneau microporeux pr\u00e9sente une conductivit\u00e9 d'environ un demi \u00e0 un tiers de celle du silicate de calcium \u2014 \u00e0 500 \u00b0C, 0,0280 contre 0,0960 W\/m\u00b7K. Deux cons\u00e9quences pratiques en d\u00e9coulent. Premi\u00e8rement, pour une m\u00eame temp\u00e9rature de face froide, une couche de relais microporeuse peut avoir une \u00e9paisseur d'un demi \u00e0 un tiers de celle d'une couche de silicate de calcium, ce qui restitue du volume utile \u00e0 la cuve. Deuxi\u00e8mement, \u00e0 \u00e9paisseur \u00e9gale, la paroi fonctionne plus froide et les pertes thermiques diminuent d'autant. Le panneau est \u00e9galement plus l\u00e9ger : notre qualit\u00e9 standard a une densit\u00e9 de 220\u2013280 kg\/m\u00b3, de sorte qu'un rev\u00eatement plus mince en mat\u00e9riau plus l\u00e9ger r\u00e9duit sensiblement le poids total du rev\u00eatement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quand le silicate de calcium reste pertinent<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le silicate de calcium demeure un choix raisonnable lorsque la couche isolante elle-m\u00eame doit reprendre des charges m\u00e9caniques, lorsque le budget est d\u00e9terminant et lorsque l'\u00e9paisseur suppl\u00e9mentaire de rev\u00eatement ne co\u00fbte rien parce que la cuve est d\u00e9j\u00e0 construite. Le panneau microporeux a une faible r\u00e9sistance m\u00e9canique et doit \u00eatre prot\u00e9g\u00e9 de l'impact direct de la flamme et de l'abrasion par une couche r\u00e9fractaire de travail \u2014 la m\u00eame r\u00e8gle que nous indiquons sur notre page produit. C'est une isolation de relais, pas un rev\u00eatement de travail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Guide de s\u00e9lection<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choisissez une planche microporeuse lorsque l'\u00e9paisseur ou le poids du rev\u00eatement est contraint, lorsque les objectifs de temp\u00e9rature de l'enveloppe ou de perte d'\u00e9nergie sont stricts, ou lorsque vous \u00e9liminez un goulot d'\u00e9tranglement d'une cuve existante sans agrandir l'enveloppe. Restez avec le silicate de calcium lorsque l'isolation doit supporter une charge m\u00e9canique ou lorsque le co\u00fbt initial est le seul crit\u00e8re. Pour un calcul d'\u00e9paisseur sur une poche r\u00e9elle, voir <a href=\"https:\/\/anchor-microporous.com\/fr\/calculer-lepaisseur-disolation-microporeuse-pour-poches-en-acier\/\">comment calculer l'\u00e9paisseur d'isolation microporeuse pour les poches en acier<\/a>, ou <a href=\"https:\/\/anchor-microporous.com\/fr\/contact\/\">envoyez-nous votre plan de rev\u00eatement<\/a> pour une \u00e9valuation dimensionnelle gratuite.<\/p>","protected":false},"excerpt":{"rendered":"<p>Calcium silicate board is the incumbent backup insulation in many ladles, kilns, and furnaces \u2014 and it is the material we are most often asked to compare against. This article puts our nano microporous insulation board side by side with calcium silicate on the numbers that matter to a specifier: thermal conductivity across the service [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-1230","post","type-post","status-publish","format-standard","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microporous Board vs Calcium Silicate: Data Compared<\/title>\n<meta name=\"description\" content=\"Microporous insulation board vs calcium silicate: thermal conductivity data from -100 to 500 \u00b0C, thickness and weight implications, and how to choose.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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