{"id":7782,"date":"2026-08-11T07:36:18","date_gmt":"2026-08-11T11:36:18","guid":{"rendered":"https:\/\/laboratorytesting.com\/?page_id=7782"},"modified":"2026-08-11T07:48:07","modified_gmt":"2026-08-11T11:48:07","slug":"testing-of-drywall-associated-corrosion-chinese-drywall-overview","status":"publish","type":"page","link":"https:\/\/laboratorytesting.com\/pt\/resources\/materials-science-ih\/testing-of-drywall-associated-corrosion-chinese-drywall-overview\/","title":{"rendered":"Vis\u00e3o geral dos testes de corros\u00e3o associados ao drywall (drywall chin\u00eas)."},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"7782\" class=\"elementor elementor-7782\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f0777b3 bg-four-corner-image elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0777b3\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4760a46\" data-id=\"4760a46\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4f2fe9f elementor-widget elementor-widget-heading\" data-id=\"4f2fe9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Testes de corros\u00e3o associada ao drywall<\/br>\n(Gesso chin\u00eas)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7f38a0 elementor-widget elementor-widget-image\" data-id=\"a7f38a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1198\" height=\"393\" src=\"https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3.jpg\" class=\"attachment-full size-full wp-image-7786\" alt=\"\" srcset=\"https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3.jpg 1198w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3-300x98.jpg 300w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3-1024x336.jpg 1024w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3-768x252.jpg 768w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3-18x6.jpg 18w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/chinese-drywall-v3-600x197.jpg 600w\" sizes=\"(max-width: 1198px) 100vw, 1198px\" \/>\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 class=\"elementor-element elementor-element-7516a42 elementor-widget elementor-widget-text-editor\" data-id=\"7516a42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Resid\u00eancias constru\u00eddas nos EUA entre 2001 e 2009 podem conter drywall importado, conhecido na imprensa como &quot;drywall chin\u00eas&quot;. A Comiss\u00e3o de Seguran\u00e7a de Produtos de Consumo (CPSC) faz as seguintes recomenda\u00e7\u00f5es: Se o drywall foi instalado entre 2005 e 2009, pelo menos duas das condi\u00e7\u00f5es abaixo devem ser atendidas. Para instala\u00e7\u00f5es entre 2001 e 2004, pelo menos quatro das seguintes condi\u00e7\u00f5es devem ser atendidas:<\/p><ul><li>Enxofre elementar no n\u00facleo do drywall (requer testes em laborat\u00f3rio externo) TESTE EMSL 2<\/li><li>Sulfeto de cobre em cupons, fios de aterramento e\/ou serpentinas de ar condicionado (requer testes em laborat\u00f3rio externo) TESTE EMSL 3<\/li><li>Emiss\u00f5es elevadas de g\u00e1s sulf\u00eddrico provenientes de drywall (requer testes em laborat\u00f3rio externo) TESTE EMSL 1<\/li><li>Corros\u00e3o induzida por drywall em c\u00e2maras de teste (requer testes em laborat\u00f3rio externo) TESTE EMSL 4<\/li><li>Marcas chinesas em drywall (Isso n\u00e3o implica que todo drywall chin\u00eas ou apenas o drywall chin\u00eas esteja associado a esses problemas, mas que, entre as casas com a corros\u00e3o caracter\u00edstica, o drywall chin\u00eas \u00e9 um marcador que corrobora os problemas caracter\u00edsticos). Essas marcas podem n\u00e3o estar presentes ou serem facilmente discern\u00edveis em todas as casas com problemas de drywall.<\/li><\/ul><p><strong>Teste 1. An\u00e1lise para detec\u00e7\u00e3o de compostos org\u00e2nicos vol\u00e1teis (COVs, especialmente sulfetos org\u00e2nicos) \u2013 Consulte os pre\u00e7os e o prazo de entrega. <br \/>C\u00f3digo EMSLTest: TO-CDW \/ An\u00e1lise realizada: Laborat\u00f3rio de Higiene Industrial EMSL Cinnaminson<\/strong><br \/>Este teste indica se a amostra de drywall emite gases \u00e0 base de enxofre capazes de causar corros\u00e3o. Requisitos da amostra: Peda\u00e7o de drywall suspeito, com pelo menos 15 cm x 15 cm. $388 \u2013 Prazo de entrega de 2 semanas (Prazos de entrega mais r\u00e1pidos dispon\u00edveis)<\/p><p><strong>Teste 2. An\u00e1lise da amostra de drywall para enxofre elementar\/BNA \u2013 Consulte-nos para obter pre\u00e7os e prazos de entrega. <\/strong><br \/><strong>C\u00f3digo de teste EMSL: IHSulfurCDW \/ An\u00e1lise realizada: Laborat\u00f3rio de Higiene Industrial EMSL Cinnaminson<\/strong><br \/>Este teste indica se a amostra de drywall cont\u00e9m enxofre elementar, associado \u00e0 emiss\u00e3o de gases \u00e0 base de enxofre capazes de causar corros\u00e3o. Observa\u00e7\u00f5es que corroboram esse resultado podem incluir corros\u00e3o em fia\u00e7\u00e3o de cobre ou falhas em compressores de sistemas de climatiza\u00e7\u00e3o e\/ou refrigeradores devido \u00e0 corros\u00e3o induzida pelo drywall e \u00e0 perda de fluido refrigerante. Requisitos da amostra: Peda\u00e7o de drywall suspeito, com dimens\u00f5es m\u00ednimas de 5 cm x 5 cm e m\u00e1ximas de 15 cm x 15 cm. $242 \u2013 Prazo de entrega de 2 semanas (Prazos de entrega mais r\u00e1pidos dispon\u00edveis).<\/p><p><strong>Teste 3. An\u00e1lise de fios\/superf\u00edcies de cobre por MEV\/EDS \u2013 Consulte-nos para pre\u00e7os e prazos de entrega. <\/strong><br \/><strong>C\u00f3digo de teste EMSL: MS088 MEV\/EDX \u2013 Corros\u00e3o de Cu \/ An\u00e1lise realizada: Laborat\u00f3rio de Ci\u00eancia de Materiais EMSL Cinnaminson<\/strong><br \/>Este teste indica se a corros\u00e3o das superf\u00edcies de cobre est\u00e1 associada aos componentes da placa de gesso. Requisitos da amostra: Op\u00e7\u00e3o 1: Len\u00e7os umedecidos com \u00e1lcool para coletar dep\u00f3sitos nas superf\u00edcies de cobre. Op\u00e7\u00e3o 2: Peda\u00e7o de fio de cobre com dep\u00f3sitos indicativos de corros\u00e3o. $242 \u2013 Prazo de entrega de 2 semanas (Prazos de entrega mais r\u00e1pidos dispon\u00edveis)<\/p><p><strong>Teste 4. Teste de Corros\u00e3o Acelerada \u2013 Consulte-nos para obter pre\u00e7os e prazos de entrega. <\/strong><br \/><strong>C\u00f3digo de teste EMSL: MS088 Corros\u00e3o acelerada \/ An\u00e1lise realizada: Laborat\u00f3rio de Ci\u00eancia dos Materiais EMSL Cinnaminson<\/strong><br \/>An\u00e1lise qualitativa do drywall quanto \u00e0 sua propens\u00e3o \u00e0 corros\u00e3o do cobre em exposi\u00e7\u00e3o a c\u00e2mara ambiental. Prazo de entrega de 4 semanas. N\u00e3o h\u00e1 disponibilidade de prazos menores devido \u00e0 natureza urgente do teste. Requisitos da amostra: Peda\u00e7o de drywall suspeito com dimens\u00f5es m\u00ednimas de 7,6 cm x 7,6 cm e m\u00e1ximas de 15,2 cm x 15,2 cm. $1,618 \u2013 Prazo de entrega de 4 semanas (N\u00e3o h\u00e1 disponibilidade de prazos de entrega mais curtos).<\/p><p>Todas as amostras devem ser enviadas ao laborat\u00f3rio da EMSL Analytical, Inc. em Cinnaminson, NJ, seguindo a Cadeia de Cust\u00f3dia adequada. Os documentos da Cadeia de Cust\u00f3dia podem ser encontrados [aqui\/no link]. <a href=\"https:\/\/www.emsl.com\/Forms.aspx\" target=\"_blank\" rel=\"noopener\">aqui<\/a>.<\/p><p>Para obter informa\u00e7\u00f5es e as \u00faltimas not\u00edcias sobre a quest\u00e3o do gesso cartonado chin\u00eas, visite o site da CPSC. <a href=\"https:\/\/www.cpsc.gov\/safety-education\/safety-education-centers\/drywall-information-center\/how-can-i-tell-if-my-home-has-problem-drywall\" target=\"_blank\" rel=\"nofollow noopener\">aqui<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Testing of Drywall Associated Corrosion (Chinese Drywall) U.S. homes built between 2001 and 2009 may contain imported drywall, known in the press as \u2018Chinese Drywall\u2019. The Consumer Product Safety Commission (CPSC) makes the following recommendations. If drywall was installed between [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":7700,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-7782","page","type-page","status-publish","hentry","slug-testing-of-drywall-associated-corrosion-chinese-drywall-overview","even_post_id"],"_links":{"self":[{"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/pages\/7782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/comments?post=7782"}],"version-history":[{"count":4,"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/pages\/7782\/revisions"}],"predecessor-version":[{"id":7789,"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/pages\/7782\/revisions\/7789"}],"up":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/pages\/7700"}],"wp:attachment":[{"href":"https:\/\/laboratorytesting.com\/pt\/wp-json\/wp\/v2\/media?parent=7782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}