{"id":6408,"date":"2026-03-01T08:08:51","date_gmt":"2026-03-01T07:08:51","guid":{"rendered":"https:\/\/clusterdapizarra.com\/laboratorio\/"},"modified":"2026-04-11T21:51:50","modified_gmt":"2026-04-11T19:51:50","slug":"laboratory","status":"publish","type":"page","link":"https:\/\/clusterdapizarra.com\/en\/laboratory\/","title":{"rendered":"Laboratory"},"content":{"rendered":"
<\/span><\/div><\/div><\/div><\/div><\/div><\/div>

LABORATORY<\/h2>
<\/span><\/div>\n\t
\n\t\t
\n\t\t\t

The need to understand the characteristics and performance of each product is also shaped by market saturation and the emergence of new competing countries such as China or Brazil, in addition to strict environmental regulations\u2014factors that have also driven the commitment to technological innovation.<\/p>\n

With an eye on the challenges and needs faced by the slate and natural stone sector, the Laboratory offers the following specialized services:<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

<\/span><\/div>

LABORATORY TESTS<\/h2>
<\/span><\/div>

ROOFING SLATE TESTS<\/h4>
<\/span><\/div>\n\t
\n\t\t
\n\t\t\t
    \n
  • Determination of length and width. UNE EN 12326-2:2012 Sec. 5<\/li>\n
  • Determination of edge deviation from straightness. UNE EN 12326-2:2012 Sec. 6<\/li>\n
  • Determination of slate squareness. UNE EN 12326-2:2012 Sec. 7<\/li>\n
  • Determination of the thickness of individual slates. UNE EN 12326-2:2012 Sec. 8<\/li>\n
  • Determination of deviation from flatness. UNE EN 12326-2:2012 Sec. 9<\/li>\n
  • Determination of the modulus of rupture and characteristic modulus of rupture. UNE EN 12326-2:2012 Sec. 10 (*)<\/li>\n
  • Water absorption. UNE EN 12326-2:2012 Sec. 11 (*)<\/li>\n
  • Freeze \/ thaw. UNE EN 12326-2:2012 Sec. 12<\/li>\n
  • Determination of calcium carbonate content and non-carbonate carbon by catalytic thermal decomposition. UNE EN 12326-2:2012 Sec. 13. ()<\/em><\/li>\n
  • Exposure to sulfur dioxide in slates with a calcium carbonate content \u2264 20% (by mass). UNE EN 12326-2:2012 Sec. 14.1. (<\/em>)<\/li>\n
  • Thermal cycle. UNE EN 12326-2:2012 Sec. 15. (*)<\/li>\n
  • Petrographic examination: macroscopic and thin-section analysis. UNE EN 12326-2:2012 Secs. 16.6.1 and 16.6.2.1. Macroscopic description of 1 slate piece and microscopic description of three thin sections.<\/li>\n<\/ul>\n

    (*): The tests marked with an asterisk are included within the ENAC accreditation scope of the Slate Technology Centre Foundation.<\/p>\n

     <\/p>\n

    NATURAL STONE TESTS<\/strong><\/p>\n

      \n
    • Apparent density and open porosity. UNE EN 1936:2007.<\/li>\n
    • Water absorption at atmospheric pressure. UNE EN 13755:2008.<\/li>\n
    • Water absorption by capillarity. UNE EN 1925:1999.<\/li>\n
    • Slip resistance using a friction pendulum. UNE EN 14231:2004.<\/li>\n
    • Breaking energy by impact. UNE EN 14158:2004.<\/li>\n
    • Resistance to ageing by thermal shock. UNE EN 14066:2014.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n
      <\/span><\/div>\n\t
      \n\t\t
      \n\t\t\t

      These services are supported by expert technicians who provide advice on CE marking and factory production control, diagnosis and evaluation of defects, interpretation of test results, and suitability for use.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

      <\/span><\/div><\/div><\/div><\/div>
      <\/span><\/div>\n\t
      \n\t\t\n\t\t
      \n\t\t\t
      \"\"<\/div>\n\t\t<\/figure>\n\t<\/div>\n
      <\/span><\/div>\n\t
      \n\t\t\n\t\t
      \n\t\t\t
      \"\"<\/div>\n\t\t<\/figure>\n\t<\/div>\n
      <\/span><\/div>\n\t
      \n\t\t\n\t\t
      \n\t\t\t
      \"\"<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div>
      <\/div><\/div><\/div><\/div>
      <\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"LABORATORY The need to understand the characteristics and performance of each product is also shaped by market saturation and the emergence of new competing countries such as China or Brazil, in addition to strict environmental regulations\u2014factors that have also driven the commitment to technological innovation. With an eye on the challenges and needs faced by [...]","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6408","page","type-page","status-publish","hentry"],"yoast_head":"\nENAC Accreditation. Slate Technology Centre Foundation.<\/title>\n<meta name=\"description\" content=\"Our laboratory guarantees the quality of slate through rigorous testing for CE certification, ensuring a product of maximum reliability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/clusterdapizarra.com\/en\/laboratorio\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ENAC Accreditation. Slate Technology Centre Foundation.\" \/>\n<meta property=\"og:description\" content=\"Our laboratory guarantees the quality of slate through rigorous testing for CE certification, ensuring a product of maximum reliability.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/clusterdapizarra.com\/en\/laboratorio\/\" \/>\n<meta property=\"og:site_name\" content=\"Cluster da Pizarra de Galicia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/clusterdapizarra\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-11T19:51:50+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@clusterpizarra\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/laboratorio\\\/\",\"url\":\"https:\\\/\\\/clusterdapizarra.com\\\/laboratorio\\\/\",\"name\":\"ENAC Accreditation. Slate Technology Centre Foundation.\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#website\"},\"datePublished\":\"2026-03-01T07:08:51+00:00\",\"dateModified\":\"2026-04-11T19:51:50+00:00\",\"description\":\"Our laboratory guarantees the quality of slate through rigorous testing for CE certification, ensuring a product of maximum reliability.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/laboratorio\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/clusterdapizarra.com\\\/laboratorio\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/laboratorio\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/clusterdapizarra.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Laboratory\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#website\",\"url\":\"https:\\\/\\\/clusterdapizarra.com\\\/\",\"name\":\"Cl\u00faster da Pizarra de Galicia\",\"description\":\"Los objetivos del Cl\u00faster da Pizarra buscan la promoci\u00f3n de la pizarra gallega en el mercado actual, respondiendo a las nuevas necesidades del sector.\",\"publisher\":{\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/clusterdapizarra.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#organization\",\"name\":\"Cl\u00faster da Pizarra de Galicia\",\"url\":\"https:\\\/\\\/clusterdapizarra.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/clusterdapizarra.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/logo@2x.png\",\"contentUrl\":\"https:\\\/\\\/clusterdapizarra.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/logo@2x.png\",\"width\":430,\"height\":134,\"caption\":\"Cl\u00faster da Pizarra de Galicia\"},\"image\":{\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/clusterdapizarra\",\"https:\\\/\\\/x.com\\\/clusterpizarra\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/clster-de-la-pizarra-de-galicia\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ENAC Accreditation. Slate Technology Centre Foundation.","description":"Our laboratory guarantees the quality of slate through rigorous testing for CE certification, ensuring a product of maximum reliability.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/clusterdapizarra.com\/en\/laboratorio\/","og_locale":"en_GB","og_type":"article","og_title":"ENAC Accreditation. Slate Technology Centre Foundation.","og_description":"Our laboratory guarantees the quality of slate through rigorous testing for CE certification, ensuring a product of maximum reliability.","og_url":"https:\/\/clusterdapizarra.com\/en\/laboratorio\/","og_site_name":"Cluster da Pizarra de Galicia","article_publisher":"https:\/\/www.facebook.com\/clusterdapizarra","article_modified_time":"2026-04-11T19:51:50+00:00","twitter_card":"summary_large_image","twitter_site":"@clusterpizarra","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/clusterdapizarra.com\/laboratorio\/","url":"https:\/\/clusterdapizarra.com\/laboratorio\/","name":"ENAC Accreditation. Slate Technology Centre Foundation.","isPartOf":{"@id":"https:\/\/clusterdapizarra.com\/#website"},"datePublished":"2026-03-01T07:08:51+00:00","dateModified":"2026-04-11T19:51:50+00:00","description":"Our laboratory guarantees the quality of slate through rigorous testing for CE certification, ensuring a product of maximum reliability.","breadcrumb":{"@id":"https:\/\/clusterdapizarra.com\/laboratorio\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/clusterdapizarra.com\/laboratorio\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/clusterdapizarra.com\/laboratorio\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/clusterdapizarra.com\/en\/"},{"@type":"ListItem","position":2,"name":"Laboratory"}]},{"@type":"WebSite","@id":"https:\/\/clusterdapizarra.com\/#website","url":"https:\/\/clusterdapizarra.com\/","name":"Cl\u00faster da Pizarra de Galicia","description":"Los objetivos del Cl\u00faster da Pizarra buscan la promoci\u00f3n de la pizarra gallega en el mercado actual, respondiendo a las nuevas necesidades del sector.","publisher":{"@id":"https:\/\/clusterdapizarra.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/clusterdapizarra.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/clusterdapizarra.com\/#organization","name":"Cl\u00faster da Pizarra de Galicia","url":"https:\/\/clusterdapizarra.com\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/clusterdapizarra.com\/#\/schema\/logo\/image\/","url":"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2024\/10\/logo@2x.png","contentUrl":"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2024\/10\/logo@2x.png","width":430,"height":134,"caption":"Cl\u00faster da Pizarra de Galicia"},"image":{"@id":"https:\/\/clusterdapizarra.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/clusterdapizarra","https:\/\/x.com\/clusterpizarra","https:\/\/www.linkedin.com\/company\/clster-de-la-pizarra-de-galicia\/"]}]}},"_links":{"self":[{"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/pages\/6408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/comments?post=6408"}],"version-history":[{"count":0,"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/pages\/6408\/revisions"}],"wp:attachment":[{"href":"https:\/\/clusterdapizarra.com\/en\/wp-json\/wp\/v2\/media?parent=6408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}