{"id":207,"date":"2020-06-12T22:31:00","date_gmt":"2020-06-13T01:31:00","guid":{"rendered":"http:\/\/crc.viskoo.com.br\/?p=207"},"modified":"2026-05-20T08:32:13","modified_gmt":"2026-05-20T11:32:13","slug":"permeabilidade-ao-ar","status":"publish","type":"post","link":"https:\/\/crceram.com.br\/en\/permeabilidade-ao-ar\/","title":{"rendered":"Air permeability"},"content":{"rendered":"\n<p>Determination of permeability coefficients (K<sub>1<\/sub>e K<sub>2<\/sub>) in porous materials. The analyses are conducted in a permeameter, using the steady-state airflow method. In the equipment, an air flow is forced to pass through test bodies made with samples and their pressure values \u200b\u200bare monitored during this process. The results are useful for interpreting diverse phenomena associated with the porous structure of solid materials. In the case of ceramic products, it provides important information regarding the ease of releasing gases, such as water vapor during drying and other gases during sintering.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Determination of permeability coefficients (K1e K2) in porous materials. The analyses are conducted in a permeameter, using the steady-state airflow method. In the equipment, an air flow is forced to pass through test bodies made with samples and their pressure values \u200b\u200bare monitored during this process. The results are useful for interpreting diverse phenomena associated [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,448],"tags":[61,63,68,69,62,66,67,60,70,65,64],"class_list":["post-207","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analises","category-tecnicas","tag-coeficiente-de-permeabilidade","tag-desgaseificacao","tag-k1","tag-k2","tag-kp","tag-liberacao-de-gases","tag-permeabilidade","tag-permeabilidade-ao-ar","tag-permeametro","tag-saida-de-gases","tag-secagem"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Air permeability &#8226; CRC<\/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:\/\/crceram.com.br\/en\/permeabilidade-ao-ar\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Air permeability &#8226; CRC\" \/>\n<meta property=\"og:description\" content=\"Determination of permeability coefficients (K1e K2) in porous materials. The analyses are conducted in a permeameter, using the steady-state airflow method. In the equipment, an air flow is forced to pass through test bodies made with samples and their pressure values \u200b\u200bare monitored during this process. The results are useful for interpreting diverse phenomena associated [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/crceram.com.br\/en\/permeabilidade-ao-ar\/\" \/>\n<meta property=\"og:site_name\" content=\"CRC\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-13T01:31:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-20T11:32:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/crceram.com.br\/en\/wp-content\/uploads\/2020\/06\/imagem-post-sem-foto.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"josias@viskoo.com.br\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"josias@viskoo.com.br\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/permeabilidade-ao-ar\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/permeabilidade-ao-ar\\\/\"},\"author\":{\"name\":\"josias@viskoo.com.br\",\"@id\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/#\\\/schema\\\/person\\\/84c44c0d61bac695e5a48d2e24b82b49\"},\"headline\":\"Air permeability\",\"datePublished\":\"2020-06-13T01:31:00+00:00\",\"dateModified\":\"2026-05-20T11:32:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/permeabilidade-ao-ar\\\/\"},\"wordCount\":92,\"image\":{\"@id\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/permeabilidade-ao-ar\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/imagem-post-sem-foto.png\",\"keywords\":[\"coeficiente de permeabilidade\",\"desgaseifica\u00e7\u00e3o\",\"K1\",\"K2\",\"Kp\",\"libera\u00e7\u00e3o de gases\",\"permeabilidade\",\"permeabilidade ao ar\",\"perme\u00e2metro\",\"sa\u00edda de gases\",\"secagem\"],\"articleSection\":[\"Analyses\",\"Technological\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/permeabilidade-ao-ar\\\/\",\"url\":\"https:\\\/\\\/crceram.com.br\\\/en\\\/permeabilidade-ao-ar\\\/\",\"name\":\"Air permeability &#8226; 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