{"id":902,"date":"2026-04-10T07:36:29","date_gmt":"2026-04-10T07:36:29","guid":{"rendered":"https:\/\/nueva.acustium.com\/?p=902"},"modified":"2026-05-15T10:54:41","modified_gmt":"2026-05-15T10:54:41","slug":"que-es-el-nrc","status":"publish","type":"post","link":"https:\/\/acustium.es\/?p=902","title":{"rendered":"\u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"902\" class=\"elementor elementor-902\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ea38632 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"ea38632\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeIn&quot;,&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;fixed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b961adf e-con-full e-flex e-con e-child\" 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class=\"ekit_close-side-widget\" aria-label=\"close-icon\">\n\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-cancel\"><\/i>\n                        <\/a>\n                    <\/div>\n                    <div class=\"ekit_sidebar-textwidget\">\n                        \n\t\t<div class=\"widgetarea_warper widgetarea_warper_editable\" data-elementskit-widgetarea-key=\"46ae4c3\"  data-elementskit-widgetarea-index=\"99\">\n\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"ekit-widget-area-container\">\n\t\t\t\t\tHaz clic en el bot\u00f3n editar contenido para editar\/a\u00f1adir el contenido.\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t \n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div> <!-- END sidebar widget item -->\n        <!-- END offset cart strart -->\n        <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-589852fc e-con-full e-flex e-con e-parent\" data-id=\"589852fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-43c9fbee e-con-full e-flex e-con e-child\" data-id=\"43c9fbee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-43698226 e-con-full e-flex e-con e-child\" data-id=\"43698226\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4cbb849c e-con-full e-flex e-con e-child\" data-id=\"4cbb849c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52b7d026 elementor-invisible elementor-widget elementor-widget-elementskit-heading\" data-id=\"52b7d026\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInDown&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h1 class=\"ekit-heading--title elementskit-section-title \">\u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica?<\/h1><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-35598b6c e-con-full e-flex e-con e-child\" data-id=\"35598b6c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-687798ec elementor-invisible elementor-widget elementor-widget-image\" data-id=\"687798ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-scaled.jpg\" class=\"attachment-full size-full wp-image-903\" alt=\"\" srcset=\"https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-scaled.jpg 2560w, https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-300x200.jpg 300w, https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-1024x683.jpg 1024w, https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-768x512.jpg 768w, https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-1536x1024.jpg 1536w, https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-2048x1365.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-51411bb5 e-flex e-con-boxed e-con e-parent\" data-id=\"51411bb5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5d9a6335 e-con-full e-flex e-con e-child\" data-id=\"5d9a6335\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-49fff196 e-con-full e-flex e-con e-child\" data-id=\"49fff196\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-366384c2 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-invisible elementor-widget elementor-widget-icon-list\" data-id=\"366384c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-pencil\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ACUSTIUM<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46957559 e-con-full e-flex e-con e-child\" data-id=\"46957559\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2fcab230 elementor-drop-cap-yes elementor-drop-cap-view-default elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"2fcab230\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Cuando hablamos de confort ac\u00fastico, una de las siglas que m\u00e1s aparece en fichas t\u00e9cnicas y cat\u00e1logos es <strong>NRC<\/strong>. Estas siglas vienen de <strong>Noise Reduction Coefficient<\/strong>, o <strong>Coeficiente de Reducci\u00f3n de Ruido<\/strong>, y sirven para expresar de forma sencilla la capacidad de un material para <strong>absorber sonido<\/strong>. En otras palabras: cuanto m\u00e1s alto es el NRC, mayor es la cantidad de energ\u00eda sonora que ese material ayuda a \u201ccapturar\u201d en lugar de reflejarla dentro del espacio.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Este dato es especialmente \u00fatil al comparar soluciones como <strong>paneles ac\u00fasticos de pared, techos registrables, islas ac\u00fasticas, bafles o revestimientos fonoabsorbentes<\/strong>, ya que permite hacerse una idea r\u00e1pida de su comportamiento frente a la reverberaci\u00f3n. Por eso suele utilizarse en proyectos de oficinas, aulas, restaurantes, auditorios y otros espacios donde el ruido ambiente afecta al bienestar, la inteligibilidad de la palabra y la concentraci\u00f3n.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">\u00bfQu\u00e9 significa exactamente el NRC?<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>El NRC es un <strong>\u00edndice de absorci\u00f3n ac\u00fastica de n\u00famero \u00fanico<\/strong>. Se calcula como el promedio de los coeficientes de absorci\u00f3n de un material en <strong>cuatro frecuencias<\/strong>: <strong>250, 500, 1000 y 2000 Hz<\/strong>, y el resultado se redondea al m\u00faltiplo de <strong>0,05<\/strong> m\u00e1s cercano. Ese c\u00e1lculo se realiza a partir de ensayos normalizados de laboratorio seg\u00fan la <strong>ASTM C423<\/strong>, una norma de referencia para medir la absorci\u00f3n sonora en c\u00e1mara reverberante.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Dicho de forma sencilla, un material con <strong>NRC 0,80<\/strong> no significa \u201csilencio total\u201d, sino que, en promedio y dentro de esas frecuencias medidas, presenta una alta capacidad de absorci\u00f3n. El NRC ayuda a comparar materiales, pero no describe por s\u00ed solo todo su comportamiento ac\u00fastico.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">\u00bfC\u00f3mo se interpreta el NRC?<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>El NRC suele expresarse en una escala de <strong>0 a 1<\/strong>, donde:<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>0<\/strong> indica una absorci\u00f3n pr\u00e1cticamente nula<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>1<\/strong> indica una absorci\u00f3n muy alta o casi total en el contexto del ensayo<\/li>\n<!-- \/wp:list-item --><\/ul>\n<p><!-- \/wp:list --><!-- wp:paragraph --><\/p>\n<p>Como orientaci\u00f3n general:<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>NRC bajo (0,00\u20130,30):<\/strong> superficies duras y reflectantes, como hormig\u00f3n, vidrio o acabados muy r\u00edgidos<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>NRC medio (0,40\u20130,65):<\/strong> materiales con cierta capacidad de absorci\u00f3n<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>NRC alto (0,70\u20131,00):<\/strong> soluciones ac\u00fasticas dise\u00f1adas para controlar reverberaci\u00f3n y mejorar el confort del espacio<\/li>\n<!-- \/wp:list-item --><\/ul>\n<p><!-- \/wp:list --><!-- wp:paragraph --><\/p>\n<p>En algunos ensayos pueden aparecer valores <strong>superiores a 1,00<\/strong>. Eso no significa que el material absorba \u201cm\u00e1s del 100 %\u201d del sonido, sino que el m\u00e9todo de laboratorio y ciertos efectos de borde o montaje pueden producir ese resultado. Acustium lo explica precisamente en su secci\u00f3n t\u00e9cnica: algunos fabricantes muestran NRC por encima de 1 debido a la forma de c\u00e1lculo de laboratorio y a que los laterales del panel tambi\u00e9n intervienen en la absorci\u00f3n.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">\u00bfC\u00f3mo se mide el NRC?<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>La medici\u00f3n se hace en una <strong>c\u00e1mara reverberante<\/strong>. Primero se determina la absorci\u00f3n del recinto vac\u00edo y despu\u00e9s se repite el ensayo con la muestra instalada. A partir de la diferencia entre ambos escenarios se obtienen los coeficientes de absorci\u00f3n por frecuencia. Despu\u00e9s, para el NRC, se promedian los resultados de 250, 500, 1000 y 2000 Hz.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Este punto es importante porque el NRC no es una percepci\u00f3n subjetiva, sino un <strong>dato de laboratorio<\/strong>. Es decir, sirve para comparar productos bajo un m\u00e9todo controlado, aunque el resultado final en una sala real depender\u00e1 tambi\u00e9n del volumen del recinto, el mobiliario, la altura, las superficies duras presentes y la distribuci\u00f3n de los elementos absorbentes.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">\u00bfPara qu\u00e9 sirve el NRC en un proyecto?<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>El NRC es \u00fatil cuando quieres reducir la <strong>reverberaci\u00f3n<\/strong> y mejorar la calidad ac\u00fastica interior de un espacio. Por ejemplo, en una oficina abierta ayuda a controlar el ruido ambiente y la fatiga ac\u00fastica; en un restaurante mejora la conversaci\u00f3n; en un aula favorece la inteligibilidad de la palabra; y en una sala de reuniones contribuye a que las voces se entiendan mejor.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>En este sentido, el NRC es especialmente interesante para comparar soluciones de <strong>absorci\u00f3n<\/strong>, pero no debe confundirse con m\u00e9tricas de <strong>aislamiento ac\u00fastico<\/strong>. Un panel con buen NRC puede ayudar a que una sala suene mejor por dentro, pero eso no significa necesariamente que bloquee eficazmente el ruido entre estancias. Para eso se usan otros indicadores, como <strong>STC<\/strong> o sistemas constructivos espec\u00edficos de aislamiento.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">NRC no es lo mismo que aislamiento ac\u00fastico<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>Este es uno de los errores m\u00e1s frecuentes. El <strong>NRC mide absorci\u00f3n<\/strong>, no aislamiento. Es decir, indica cu\u00e1nto sonido absorbe una superficie dentro del mismo espacio, no cu\u00e1nto ruido impide pasar de una estancia a otra.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Por eso, si el problema es que una oficina tiene demasiado eco o que en un restaurante cuesta mantener una conversaci\u00f3n, el NRC es una m\u00e9trica clave. Pero si lo que ocurre es que se escucha demasiado a los vecinos, a la sala contigua o al tr\u00e1fico exterior, entonces el foco debe ponerse en soluciones de <strong>aislamiento ac\u00fastico<\/strong>, no solo en el NRC.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Las limitaciones del NRC<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>Aunque es un indicador muy extendido, el NRC tiene una limitaci\u00f3n importante: resume el comportamiento del material en solo <strong>cuatro frecuencias<\/strong>. Acustium se\u00f1ala precisamente que este coeficiente \u201cno es muy fiable\u201d como \u00fanico criterio, porque dos productos con curvas ac\u00fasticas muy distintas pueden compartir el mismo NRC.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Por eso, cuando el proyecto requiere m\u00e1s precisi\u00f3n, conviene mirar tambi\u00e9n otros datos como:<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>SAA (Sound Absorption Average)<\/strong>, que ampl\u00eda el promedio a <strong>12 frecuencias entre 200 y 2500 Hz<\/strong><\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>\u03b1w (alfa w)<\/strong>, definido por la <strong>ISO 11654<\/strong>, muy utilizado en Europa para expresar la absorci\u00f3n sonora con un enfoque m\u00e1s completo<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Curvas de absorci\u00f3n por frecuencia<\/strong>, que permiten saber en qu\u00e9 bandas funciona mejor cada producto y si responde bien en el rango de la voz, especialmente relevante entre aproximadamente <strong>400 y 2000 Hz<\/strong> seg\u00fan la gu\u00eda t\u00e9cnica de Acustium<\/li>\n<!-- \/wp:list-item --><\/ul>\n<p><!-- \/wp:list --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Entonces, \u00bfqu\u00e9 es un \u201cbuen NRC\u201d?<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>No existe un \u00fanico \u201cbuen NRC\u201d universal, porque depende del tipo de espacio, del uso y del resto de materiales presentes. Aun as\u00ed, como criterio pr\u00e1ctico, en entornos donde la reverberaci\u00f3n y el ruido de fondo son relevantes suele buscarse una absorci\u00f3n alta, especialmente en techos y superficies amplias. Fabricantes y laboratorios del sector suelen considerar que valores a partir de <strong>0,70<\/strong> ya entran en una zona de rendimiento elevado para muchas aplicaciones interiores.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Eso s\u00ed: el dato debe leerse siempre junto con el <strong>espesor del sistema<\/strong>, el <strong>tipo de montaje<\/strong> y la <strong>curva de absorci\u00f3n<\/strong>. Ecophon recuerda que las curvas y valores de absorci\u00f3n deben acompa\u00f1arse de informaci\u00f3n sobre el grosor total del sistema para que la comparaci\u00f3n sea realmente v\u00e1lida.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Conclusi\u00f3n<\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>El <strong>NRC<\/strong> es una m\u00e9trica muy \u00fatil para entender de forma r\u00e1pida cu\u00e1nto puede ayudar un material a <strong>absorber sonido<\/strong> y mejorar el confort ac\u00fastico interior de una sala. Es una buena referencia para comparar paneles, techos y revestimientos ac\u00fasticos, pero no deber\u00eda usarse de forma aislada si buscas un an\u00e1lisis t\u00e9cnico m\u00e1s riguroso.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>La mejor forma de interpretar un NRC es ponerlo en contexto: tipo de espacio, objetivo ac\u00fastico, montaje real, frecuencias relevantes y comparaci\u00f3n con otros indicadores como <strong>SAA<\/strong>, <strong>\u03b1w<\/strong> y las <strong>curvas de absorci\u00f3n<\/strong>. As\u00ed, en lugar de elegir un producto solo por una cifra, podr\u00e1s escoger una soluci\u00f3n que realmente mejore la experiencia sonora del espacio.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7db45fb6 e-flex e-con-boxed e-con e-parent\" data-id=\"7db45fb6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-60272624 e-con-full e-flex e-con e-child\" data-id=\"60272624\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-62194054 e-con-full e-flex e-con e-child\" data-id=\"62194054\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-63d4a15d elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-invisible elementor-widget elementor-widget-icon-list\" data-id=\"63d4a15d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-minus\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Insights<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4a941678 e-con-full e-flex e-con e-child\" data-id=\"4a941678\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-226ed239 elementor-invisible elementor-widget elementor-widget-elementskit-heading\" data-id=\"226ed239\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title \">Descubre todas las novedades y el futuro de la ac\u00fastica<\/h2><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5931fa0d ekit-blog-posts--bg-hover bg-hover-classic elementor-invisible elementor-widget elementor-widget-elementskit-blog-posts\" data-id=\"5931fa0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"elementskit-blog-posts.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >        <div id=\"post-items--5931fa0d\" class=\"row post-items\">\n                    <div class=\"col-lg-4 col-md-6\">\n\n                                    <div class=\"elementskit-post-image-card\">\n                        <div class=\"elementskit-entry-header\">\n                                                            <a href=\"https:\/\/acustium.es\/?p=925\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/businessman-walking-in-coworking-office-room-with-2026-01-11-08-35-05-utc-1-scaled.jpg\" alt=\"La importancia del confort ac\u00fastico para tu negocio\">\n                                <\/a><!-- .elementskit-entry-thumb END -->\n                                                            \n                            \n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .elementskit-entry-header END -->\n\n\t\t\t\t\t\t<div class=\"elementskit-post-body \">\n\t\t\t\t\t\t\t\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\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t<a href=\"https:\/\/acustium.es\/?p=925\">\n\t\t\t\t\t\tLa importancia del confort ac\u00fastico para tu negocio\t\t\t\t\t<\/a>\n\t\t\t\t<\/h2>\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\t\t\t\t\t\t                                                    <\/div><!-- .elementskit-post-body END -->\n                    <\/div>\n                \n            <\/div>\n                    <div class=\"col-lg-4 col-md-6\">\n\n                                    <div class=\"elementskit-post-image-card\">\n                        <div class=\"elementskit-entry-header\">\n                                                            <a href=\"https:\/\/acustium.es\/?p=916\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/young-woman-with-tablet-and-headphones-sitting-out-2026-03-09-04-58-02-utc-1-scaled.jpg\" alt=\"\u00bfQu\u00e9 es la reverberaci\u00f3n y c\u00f3mo influye el ruido ambiental?\">\n                                <\/a><!-- .elementskit-entry-thumb END -->\n                                                            \n                            \n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .elementskit-entry-header END -->\n\n\t\t\t\t\t\t<div class=\"elementskit-post-body \">\n\t\t\t\t\t\t\t\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\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t<a href=\"https:\/\/acustium.es\/?p=916\">\n\t\t\t\t\t\t\u00bfQu\u00e9 es la reverberaci\u00f3n y c\u00f3mo influye el ruido ambiental?\t\t\t\t\t<\/a>\n\t\t\t\t<\/h2>\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\t\t\t\t\t\t                                                    <\/div><!-- .elementskit-post-body END -->\n                    <\/div>\n                \n            <\/div>\n                    <div class=\"col-lg-4 col-md-6\">\n\n                                    <div class=\"elementskit-post-image-card\">\n                        <div class=\"elementskit-entry-header\">\n                                                            <a href=\"https:\/\/acustium.es\/?p=902\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/acustium.es\/wp-content\/uploads\/2026\/04\/close-up-view-of-black-acoustic-foam-panels-in-a-s-2026-03-17-03-32-34-utc-scaled.jpg\" alt=\"\u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica?\">\n                                <\/a><!-- .elementskit-entry-thumb END -->\n                                                            \n                            \n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!-- .elementskit-entry-header END -->\n\n\t\t\t\t\t\t<div class=\"elementskit-post-body \">\n\t\t\t\t\t\t\t\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\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t<a href=\"https:\/\/acustium.es\/?p=902\">\n\t\t\t\t\t\t\u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica?\t\t\t\t\t<\/a>\n\t\t\t\t<\/h2>\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\t\t\t\t\t\t                                                    <\/div><!-- .elementskit-post-body END -->\n                    <\/div>\n                \n            <\/div>\n                <\/div>\n       <\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-712a55cf elementor-align-center elementor-invisible elementor-widget elementor-widget-button\" data-id=\"712a55cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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href=\"#\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">LinkedIn<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-67f1986c e-flex e-con-boxed e-con e-parent\" data-id=\"67f1986c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-49ae2de0 e-con-full e-flex e-con e-child\" data-id=\"49ae2de0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2cdb515f elementor-widget-mobile__width-inherit elementor-icon-list--layout-inline elementor-align-end elementor-mobile-align-start elementor-list-item-link-full_width elementor-invisible elementor-widget elementor-widget-icon-list\" data-id=\"2cdb515f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Privacy Policy<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Our Terms<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>PRODUCTOS Arquitectura textil by PONGS Fichas de producto Normativa &#8211; Control de calidad Calculadora SOLUCIONES SECTORES NOSOTROS PROYECTOS BLOG CONTACTO X Haz clic en el bot\u00f3n editar contenido para editar\/a\u00f1adir el contenido. \u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica? ACUSTIUM Cuando hablamos de confort ac\u00fastico, una de las siglas que m\u00e1s aparece [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-902","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>\u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica? - ACUSTIUM<\/title>\r\n<meta name=\"description\" content=\"Descubre qu\u00e9 es el NRC, c\u00f3mo se calcula y por qu\u00e9 es clave para evaluar la absorci\u00f3n ac\u00fastica de paneles, techos y revestimientos.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/acustium.es\/?p=902\" \/>\r\n<meta property=\"og:locale\" content=\"es_ES\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"\u00bfQu\u00e9 es el NRC y por qu\u00e9 importa en ac\u00fastica? 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