{"id":106449,"date":"2026-06-29T09:49:10","date_gmt":"2026-06-29T09:49:10","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/poeira-de-couro\/"},"modified":"2026-06-29T09:49:10","modified_gmt":"2026-06-29T09:49:10","slug":"poeira-de-couro","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/pt-pt\/fact\/poeira-de-couro\/","title":{"rendered":"Poeira de couro"},"content":{"rendered":"<blockquote><p>Estima-se que o n\u00famero de trabalhadores potencialmente expostos \u00e0 poeira de couro seja de 310 000 em todos os pa\u00edses da UE. A principal via de exposi\u00e7\u00e3o profissional \u00e9 o trato respirat\u00f3rio (inala\u00e7\u00e3o de poeira). A poeira de couro \u00e9 classificada como agente cancer\u00edgeno para o ser humano pela IARC (Grupo 1). N\u00e3o est\u00e1 classificada ao abrigo do Regulamento CRE europeu, uma vez que se trata de uma subst\u00e2ncia gerada pelos processos utilizados no trabalho do couro. A exposi\u00e7\u00e3o \u00e0 poeira de couro causa cancro da cavidade nasal e cancro dos seios paranasais.    <\/p>\n<h2>Onde ocorrem os riscos<\/h2>\n<p>A poeira de couro \u00e9 gerada principalmente durante opera\u00e7\u00f5es mec\u00e2nicas em couro seco. Isto acontece sobretudo durante o fabrico de artigos (cal\u00e7ado, artigos de couro), mas tamb\u00e9m durante a sua repara\u00e7\u00e3o (repara\u00e7\u00e3o de cal\u00e7ado). As opera\u00e7\u00f5es de acabamento (lixagem, esmerilagem, abras\u00e3o, corte, raspagem, polimento, desbaste) s\u00e3o as que geram mais poeira. A exposi\u00e7\u00e3o \u00e9 menor nas curtumes e nas f\u00e1bricas de transforma\u00e7\u00e3o de couro, uma vez que estes processos decorrem em ambientes h\u00famidos. Por isso, os trabalhadores mais expostos incluem os fabricantes de artigos de couro, os sapateiros, os operadores da ind\u00fastria do cal\u00e7ado, os trabalhadores de acabamento e os cortadores\/aparadores.    <\/p>\n<h2>Mais informa\u00e7\u00f5es sobre a subst\u00e2ncia<\/h2>\n<p>A poeira de couro \u00e9 uma mistura complexa de fibras de colag\u00e9nio (prote\u00ednas animais), res\u00edduos de curtimento (taninos vegetais e sais de cr\u00f3mio \u2013 cr\u00f3mio(III) e, possivelmente, <a href=\"https:\/\/stopcarcinogensatwork.eu\/pt-pt\/fact\/compostos-de-cromio-vi\/\" target=\"_blank\" rel=\"noopener\">cr\u00f3mio(VI)<\/a>), corantes ou pigmentos e agentes de acabamento (resinas e solventes).<br \/>\nO termo \u00abcouro\u00bb refere-se ao produto obtido a partir da pele de animais atrav\u00e9s do curtimento ou da impregna\u00e7\u00e3o, que preserva a estrutura natural das fibras da pele. Os materiais derivados de plantas ou de produtos petroqu\u00edmicos (ou de uma mistura de ambos) ou de qualquer outra fonte que n\u00e3o seja animal n\u00e3o podem, legalmente, ostentar a designa\u00e7\u00e3o \u00abcouro\u00bb. <\/p>\n<p>\u00c9 importante referir que o agente cancer\u00edgeno reconhecido pela IARC est\u00e1 associado ao pr\u00f3prio p\u00f3, ou seja, \u00e0s part\u00edculas s\u00f3lidas resultantes do processamento mec\u00e2nico do couro curtido, e n\u00e3o \u00e0 eventual presen\u00e7a nessa poeira de subst\u00e2ncias cancer\u00edgenas bem conhecidas, como o cr\u00f3mio VI (sobre o cr\u00f3mio VI, consulta a ficha informativa espec\u00edfica aqui).<\/p>\n<p>De momento, n\u00e3o existem valores-limite de exposi\u00e7\u00e3o profissional para a poeira de couro, nem a n\u00edvel nacional nem a n\u00edvel europeu.<\/p>\n<h2>Riscos para a sa\u00fade que podem surgir<\/h2>\n<p>A principal via de exposi\u00e7\u00e3o \u00e0 poeira de couro para os trabalhadores \u00e9 atrav\u00e9s das vias respirat\u00f3rias (inala\u00e7\u00e3o da poeira). A curto prazo, os efeitos adversos para a sa\u00fade incluem irrita\u00e7\u00e3o das vias respirat\u00f3rias, rinite, irrita\u00e7\u00e3o ocular e tosse. A longo prazo, a exposi\u00e7\u00e3o \u00e0 poeira de couro pode causar cancros otorrinolaringol\u00f3gicos (seios paranasais, cavidades nasais) e pode agravar doen\u00e7as respirat\u00f3rias (bronquite cr\u00f3nica).<br \/>\nOs cancros das cavidades nasais e dos seios paranasais associados \u00e0 poeira de couro podem ser reconhecidos como cancros profissionais em alguns pa\u00edses da UE (Fran\u00e7a, Alemanha, Espanha, It\u00e1lia), mas as condi\u00e7\u00f5es para esse reconhecimento variam de pa\u00eds para pa\u00eds.<br \/>\nO per\u00edodo de lat\u00eancia at\u00e9 ao aparecimento do cancro pode ser relativamente longo (entre 10 e 40 anos).  <\/p>\n<h2>O que podes fazer<\/h2>\n<p>A poeira de couro \u00e9 gerada pelos processos utilizados no tratamento de peles de animais (curtimento, corte, abras\u00e3o, lixagem, etc.) e, por isso, n\u00e3o pode ser evitada. Para limitar a exposi\u00e7\u00e3o \u00e0 poeira, o trabalho deve, por isso, ser realizado num sistema fechado ou, se isso n\u00e3o for vi\u00e1vel, cada posto de trabalho deve estar equipado com medidas de prote\u00e7\u00e3o coletiva (encapsulamento do equipamento, sistemas de extra\u00e7\u00e3o de poeira). Estes sistemas t\u00eam de ser mantidos regularmente para garantir a sua efic\u00e1cia. O n\u00famero de trabalhadores expostos tamb\u00e9m deve ser limitado. Como \u00faltimo recurso, se os n\u00edveis de poeira em determinadas tarefas n\u00e3o puderem ser significativamente reduzidos atrav\u00e9s das medidas acima mencionadas, podes utilizar equipamento de prote\u00e7\u00e3o respirat\u00f3ria. Nesse caso, tens de receber forma\u00e7\u00e3o sobre a sua utiliza\u00e7\u00e3o e deve ser elaborado e implementado um procedimento para a gest\u00e3o deste equipamento. Uma vez que foi demonstrada a presen\u00e7a de agentes cancer\u00edgenos nas superf\u00edcies de trabalho, a limpeza regular das superf\u00edcies e uma higiene rigorosa (limpeza do vestu\u00e1rio de trabalho e das m\u00e3os) s\u00e3o essenciais para limitar a ressuspens\u00e3o da poeira.      <\/p>\n<p>Refer\u00eancias:<\/p>\n<ul>\n<li>IARC \u2013 Ars\u00e9nio, metais, fibras e poeiras. Monografias da IARC sobre a Avalia\u00e7\u00e3o dos Riscos Agentes Cancer\u00edgenos para os Seres Humanos. Volume 100C.   2012.<\/li>\n<li>Savary B. e Emili A. Exposi\u00e7\u00e3o profissional no setor franc\u00eas do trabalho do couro (2010-2024); <a href=\"https:\/\/www.inrs.fr\/media.html?refINRS=BD%2030\" target=\"_blank\" rel=\"noopener\">Sa\u00fade e Seguran\u00e7a no Trabalho, n.\u00ba 281, dezembro de 2025<\/a><\/li>\n<\/ul>\n<\/blockquote>\n","protected":false},"template":"","carcinogens":[8581],"class_list":["post-106449","fact","type-fact","status-publish","hentry","carcinogens-poeira-de-couro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Poeira de couro - STOP carcinogens at work<\/title>\n<meta name=\"description\" content=\"Be aware of what you work with! 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