{"id":652,"date":"2025-10-17T13:51:07","date_gmt":"2025-10-17T13:51:07","guid":{"rendered":"https:\/\/zhihongplastic.com\/?p=652"},"modified":"2026-10-07T16:44:18","modified_gmt":"2026-10-07T16:44:18","slug":"fabricante-de-chapas-de-pe-de-qualidade-alimentar-uhmwpe-hdpe","status":"publish","type":"post","link":"https:\/\/zhihongplastic.com\/pt\/fabricante-de-chapas-de-pe-de-qualidade-alimentar-uhmwpe-hdpe\/","title":{"rendered":"Chapas de UHMWPE e PEAD: sele\u00e7\u00e3o do material e contacto com alimentos"},"content":{"rendered":"<p class=\"translation-block wp-block-paragraph\">Para revestimentos antidesgaste, guias e pain\u00e9is fabricados \u00e0 medida, a escolha da chapa de PE depende da utiliza\u00e7\u00e3o da pe\u00e7a. Fornecemos <a href=\"https:\/\/zhihongplastic.com\/pt\/fornecedor-de-chapas-de-polietileno-de-ultra-alto-peso-molecular-uhmw-pe\/\">chapas de UHMWPE para revestimentos e componentes de deslizamento<\/a> e <a href=\"https:\/\/zhihongplastic.com\/pt\/folhas-industriais-de-hdpe\/\">chapas de PEAD para pain\u00e9is e pe\u00e7as maquinadas<\/a>. Indique-nos a aplica\u00e7\u00e3o e envie-nos o desenho t\u00e9cnico para analisarmos o grau do material e os requisitos de fabrico no \u00e2mbito do seu pedido de or\u00e7amento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00abPE de grau alimentar\u00bb descreve um requisito de contacto com alimentos, n\u00e3o um terceiro tipo de pol\u00edmero distinto do UHMWPE e do PEAD. A aptid\u00e3o depende do grau espec\u00edfico, da cor, dos aditivos e das condi\u00e7\u00f5es de contacto previstas; o nome do material, por si s\u00f3, n\u00e3o basta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UHMWPE para revestimentos antidesgaste e componentes de deslizamento<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O polietileno de peso molecular ultra-elevado (UHMWPE) \u00e9 frequentemente considerado para superf\u00edcies de deslizamento de baixo atrito e componentes resistentes \u00e0 abras\u00e3o. O grau adequado depende sempre do mecanismo de desgaste, da superf\u00edcie da pe\u00e7a em contacto e das condi\u00e7\u00f5es de funcionamento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para um revestimento ou uma guia, indique-nos o material transportado, as part\u00edculas abrasivas, a velocidade de deslizamento, a press\u00e3o de contacto e a temperatura de trabalho. Estes dados ajudam-nos a analisar o material proposto e o desenho t\u00e9cnico sem assumir que o mesmo grau serve para todas as instala\u00e7\u00f5es.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"716\" data-id=\"657\" src=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet6-1024x716.png\" alt=\"Chapas de pl\u00e1stico branco empilhadas com os bordos cortados vis\u00edveis\" class=\"wp-image-657\" srcset=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet6-1024x716.png 1024w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet6-300x210.png 300w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet6-768x537.png 768w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet6-18x12.png 18w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet6.png 1098w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"886\" data-id=\"658\" src=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-1024x886.jpg\" alt=\"Pormenor do bordo e da superf\u00edcie de uma chapa de pl\u00e1stico branco\" class=\"wp-image-658\" srcset=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-1024x886.jpg 1024w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-300x260.jpg 300w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-768x665.jpg 768w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-1536x1329.jpg 1536w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-2048x1772.jpg 2048w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet1-14x12.jpg 14w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revestimentos de tremonhas e calhas de descarga: descreva o material a granel, os pontos de impacto, o m\u00e9todo de fixa\u00e7\u00e3o e o padr\u00e3o de desgaste existente.<\/li>\n\n\n\n<li>R\u00e9guas antidesgaste de transportadores e guias de corrente: identifique a corrente ou a correia, a superf\u00edcie de contacto, a lubrifica\u00e7\u00e3o e o espa\u00e7o dispon\u00edvel para a instala\u00e7\u00e3o.<\/li>\n\n\n\n<li>Placas de deslizamento para defensas portu\u00e1rias: confirme a disposi\u00e7\u00e3o das fixa\u00e7\u00f5es e a superf\u00edcie de atrito. Uma placa de deslizamento n\u00e3o substitui o sistema completo de defensa que absorve a energia da acostagem.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">PEAD para pain\u00e9is e pe\u00e7as \u00e0 medida<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O polietileno de alta densidade (PEAD, tamb\u00e9m designado HDPE) \u00e9 utilizado em pain\u00e9is, tampas, revestimentos e pe\u00e7as maquinadas que necessitam de tenacidade ao impacto. A resist\u00eancia qu\u00edmica tem de ser verificada face \u00e0s condi\u00e7\u00f5es reais de exposi\u00e7\u00e3o. N\u00e3o deve ser tratado como um painel estrutural r\u00edgido sem verificar a carga e a disposi\u00e7\u00e3o dos apoios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nas encomendas de chapas de PEAD, analisamos a espessura, as dimens\u00f5es, o acabamento superficial e os pormenores de fabrico. Quando a rigidez, as cargas prolongadas ou a estabilidade dimensional s\u00e3o importantes, indique a dist\u00e2ncia entre apoios, a temperatura de funcionamento e as toler\u00e2ncias, para que o grau proposto possa ser avaliado face aos requisitos da aplica\u00e7\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" data-id=\"656\" src=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet5.jpg\" alt=\"Amostras de chapas de pl\u00e1stico em azul, cinzento, branco e preto\" class=\"wp-image-656\" srcset=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet5.jpg 600w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet5-300x300.jpg 300w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet5-150x150.jpg 150w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet5-12x12.jpg 12w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" data-id=\"655\" src=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-1024x681.jpg\" alt=\"Placas de pl\u00e1stico empilhadas em azul, vermelho, creme, verde, preto e amarelo\" class=\"wp-image-655\" srcset=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-1024x681.jpg 1024w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-300x200.jpg 300w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-768x511.jpg 768w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-1536x1022.jpg 1536w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-2048x1362.jpg 2048w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet4-18x12.jpg 18w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Chapas de PE para aplica\u00e7\u00f5es em contacto com alimentos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para superf\u00edcies de corte ou pe\u00e7as de equipamentos de processamento de alimentos, especifique a utiliza\u00e7\u00e3o em contacto com alimentos separadamente da escolha entre PEAD e UHMWPE. Antes de aprovar o material para a aplica\u00e7\u00e3o, solicite a documenta\u00e7\u00e3o aplic\u00e1vel ao material exato proposto e ao mercado de destino.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma superf\u00edcie lisa, a baixa absor\u00e7\u00e3o de \u00e1gua ou a facilidade de limpeza n\u00e3o demonstram a conformidade para contacto com alimentos.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-id=\"654\" src=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-1024x684.jpg\" alt=\"Chapa retangular de pl\u00e1stico branco sobre um fundo liso\" class=\"wp-image-654\" srcset=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-1024x684.jpg 1024w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-300x200.jpg 300w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-768x513.jpg 768w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-1536x1025.jpg 1536w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-2048x1367.jpg 2048w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet3-18x12.jpg 18w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" data-id=\"653\" src=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet2.jpg\" alt=\"Ilustra\u00e7\u00e3o de espessuras de chapas de polietileno preto\" class=\"wp-image-653\" srcset=\"https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet2.jpg 800w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet2-300x300.jpg 300w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet2-150x150.jpg 150w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet2-768x768.jpg 768w, https:\/\/zhihongplastic.com\/wp-content\/uploads\/2025\/10\/Ultra-High-Molecular-Weight-Polyethylene-Sheet-Manufacturer-High-Density-PE-Sheet-Manufacturer-Food-Grade-Polyethylene-PE-Sheet2-12x12.jpg 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Descreva o alimento, se o contacto \u00e9 direto ou indireto, a temperatura, o tempo de contacto e se a utiliza\u00e7\u00e3o ser\u00e1 repetida.<\/li>\n\n\n\n<li>Confirme o grau exato, a cor e os aditivos, e indique a documenta\u00e7\u00e3o de contacto com alimentos exigida no seu mercado.<\/li>\n\n\n\n<li>Indique os produtos qu\u00edmicos de limpeza, a concentra\u00e7\u00e3o e o ciclo de limpeza, juntamente com os requisitos de juntas, ranhuras ou acabamento dos bordos.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Compare o material e os requisitos de utiliza\u00e7\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A tabela distingue a escolha do material da especifica\u00e7\u00e3o de contacto com alimentos. A terceira linha apresenta um requisito adicional para o grau de PE selecionado, n\u00e3o uma fam\u00edlia diferente de polietileno.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Material ou requisito<\/th><th>Aplica\u00e7\u00f5es a considerar<\/th><th>Verifica\u00e7\u00f5es espec\u00edficas da encomenda<\/th><\/tr><\/thead><tbody><tr><td>Sele\u00e7\u00e3o de chapas de UHMWPE<\/td><td>Revestimentos antidesgaste, guias de corrente e componentes de deslizamento<\/td><td>Condi\u00e7\u00f5es de desgaste, superf\u00edcie de contacto, fixa\u00e7\u00e3o e grau proposto<\/td><\/tr><tr><td>Sele\u00e7\u00e3o de chapas de PEAD<\/td><td>Pain\u00e9is, tampas, revestimentos e pe\u00e7as fabricadas \u00e0 medida<\/td><td>Dimens\u00f5es, carga e apoios, exposi\u00e7\u00e3o qu\u00edmica e temperatura de trabalho<\/td><\/tr><tr><td>Requisito de contacto com alimentos para o grau de PE selecionado<\/td><td>Superf\u00edcies de corte e pe\u00e7as de equipamentos de processamento de alimentos<\/td><td>Documenta\u00e7\u00e3o para o mercado de destino, formula\u00e7\u00e3o e condi\u00e7\u00f5es de contacto previstas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A ficha t\u00e9cnica do material \u00e9 um ponto de partida para a sele\u00e7\u00e3o, n\u00e3o uma garantia de que todas as pe\u00e7as acabadas ter\u00e3o o mesmo desempenho. As dimens\u00f5es, o desenho, a instala\u00e7\u00e3o e as condi\u00e7\u00f5es de servi\u00e7o tamb\u00e9m influenciam o resultado.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Contacto com produtos qu\u00edmicos e limpeza<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para o revestimento de um dep\u00f3sito, um painel sujeito a lavagem ou um componente de processo, indique cada produto qu\u00edmico, a sua concentra\u00e7\u00e3o, o tempo de exposi\u00e7\u00e3o e a temperatura. Inclua os agentes de limpeza e os esfor\u00e7os mec\u00e2nicos: a resist\u00eancia numas condi\u00e7\u00f5es de ensaio pode n\u00e3o representar o ambiente real de servi\u00e7o.<\/p>\n\n\n\n<p class=\"translation-block wp-block-paragraph\">Se a aplica\u00e7\u00e3o exigir um equil\u00edbrio diferente entre rigidez, resist\u00eancia qu\u00edmica e comportamento t\u00e9rmico, tamb\u00e9m podemos analisar <a href=\"https:\/\/zhihongplastic.com\/pt\/categoria\/produtos\/pp\/\">as op\u00e7\u00f5es de chapas de PP<\/a>. A compara\u00e7\u00e3o deve basear-se nos graus propostos e nas condi\u00e7\u00f5es reais de trabalho, n\u00e3o numa afirma\u00e7\u00e3o gen\u00e9rica de que um pol\u00edmero \u00e9 sempre melhor do que outro.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Temperatura, utiliza\u00e7\u00e3o no exterior e requisitos de graus especiais<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Indique logo no pedido de or\u00e7amento quaisquer requisitos de utiliza\u00e7\u00e3o no exterior, resist\u00eancia aos raios UV, comportamento antiest\u00e1tico ou retard\u00e2ncia de chama. Estas propriedades t\u00eam de ser confirmadas para a formula\u00e7\u00e3o espec\u00edfica proposta; uma cor escura ou uma descri\u00e7\u00e3o gen\u00e9rica do PE n\u00e3o as demonstram.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ao projetar pe\u00e7as de PE, tenha em conta a dilata\u00e7\u00e3o t\u00e9rmica e a deforma\u00e7\u00e3o sob cargas prolongadas. O ponto de fus\u00e3o n\u00e3o equivale a uma temperatura admiss\u00edvel de trabalho cont\u00ednuo. Para avaliar a aptid\u00e3o, utilize os dados do grau espec\u00edfico e as condi\u00e7\u00f5es de carga, apoio e temperatura da pe\u00e7a.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Corte e maquina\u00e7\u00e3o CNC segundo o seu desenho t\u00e9cnico<\/h2>\n\n\n\n<p class=\"translation-block wp-block-paragraph\">Analisamos os seus requisitos de corte, fura\u00e7\u00e3o e maquina\u00e7\u00e3o CNC atrav\u00e9s do nosso <a href=\"https:\/\/zhihongplastic.com\/pt\/fabrico-de-folhas-de-plastico-de-pead-e-pp-por-medida\/\">servi\u00e7o de fabrico de pe\u00e7as a partir de chapas de PEAD e PP<\/a>. Envie-nos a revis\u00e3o em vigor do desenho e identifique os elementos que determinam o ajuste e a fun\u00e7\u00e3o da pe\u00e7a.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Assinale as dimens\u00f5es cr\u00edticas, as toler\u00e2ncias, as refer\u00eancias geom\u00e9tricas e as pe\u00e7as acopladas ou limita\u00e7\u00f5es de instala\u00e7\u00e3o.<\/li>\n\n\n\n<li>Especifique os furos, as ranhuras, o acabamento dos bordos, a sobremedida para maquina\u00e7\u00e3o e o n\u00famero de pe\u00e7as acabadas necess\u00e1rias.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Distinga as dimens\u00f5es nominais da chapa das dimens\u00f5es da pe\u00e7a acabada. O calor da maquina\u00e7\u00e3o, a fixa\u00e7\u00e3o e os movimentos do material podem afetar as dimens\u00f5es finais; acorde as condi\u00e7\u00f5es de medi\u00e7\u00e3o e os requisitos de inspe\u00e7\u00e3o antes da produ\u00e7\u00e3o.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Pormenores de inspe\u00e7\u00e3o de chapas e pe\u00e7as<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para a encomenda or\u00e7amentada, confirmamos as verifica\u00e7\u00f5es necess\u00e1rias das dimens\u00f5es das chapas, do estado vis\u00edvel da superf\u00edcie, dos bordos cortados e dos furos ou perfis maquinados. O desenho t\u00e9cnico e a especifica\u00e7\u00e3o acordada devem definir quais os elementos cr\u00edticos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Acorde o m\u00e9todo de inspe\u00e7\u00e3o e os registos necess\u00e1rios antes de encomendar. Se precisar de identifica\u00e7\u00e3o do material, rastreabilidade ou de um relat\u00f3rio de ensaio espec\u00edfico, indique-o no pedido de or\u00e7amento para podermos confirmar o que est\u00e1 dispon\u00edvel para o material proposto e a encomenda.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Embalagem e especifica\u00e7\u00f5es para encomendas repetidas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Planeamos a embalagem em fun\u00e7\u00e3o das dimens\u00f5es das chapas, das superf\u00edcies acabadas e dos requisitos de manuseamento. Confirme se \u00e9 necess\u00e1ria pel\u00edcula protetora, separadores, paletes ou caixas, juntamente com as dimens\u00f5es da embalagem, os limites de peso e o destino de entrega.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nas encomendas repetidas, mantenha o grau do material, a revis\u00e3o do desenho, a cor, o acabamento superficial e a quantidade na especifica\u00e7\u00e3o da encomenda. Se algum destes dados mudar, assinale-o antes de pedir or\u00e7amento, para que a nova encomenda n\u00e3o seja tratada como uma repeti\u00e7\u00e3o id\u00eantica.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Pe\u00e7a um or\u00e7amento de chapas de polietileno<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Envie-nos os seguintes dados para um or\u00e7amento de chapas ou pe\u00e7as maquinadas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tipo de PE necess\u00e1rio e, separadamente, os requisitos de contacto com alimentos ou de um grau especial.<\/li>\n\n\n\n<li>Dimens\u00f5es da chapa, ou desenho t\u00e9cnico e toler\u00e2ncias da pe\u00e7a acabada.<\/li>\n\n\n\n<li>Quantidade, cor, acabamento superficial e condi\u00e7\u00f5es de funcionamento previstas.<\/li>\n\n\n\n<li>Destino de entrega, prazo solicitado e requisitos de embalagem.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">No or\u00e7amento confirmaremos o grau proposto, o \u00e2mbito do fabrico, a quantidade m\u00ednima de encomenda, o prazo de entrega e a embalagem. Se a informa\u00e7\u00e3o recebida n\u00e3o permitir confirmar um requisito, indicaremos o que falta verificar antes de encomendar.<\/p>","protected":false},"excerpt":{"rendered":"<p>For wear liners, guides and fabricated panels, the choice of PE sheet depends on how the part will be used. We offer UHMWPE sheets for liners and sliding components and HDPE sheets for panels and machined parts. Send us the application and drawing so we can review the grade and fabrication requirements with your enquiry. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":653,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-652","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/posts\/652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/comments?post=652"}],"version-history":[{"count":10,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/posts\/652\/revisions"}],"predecessor-version":[{"id":1525,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/posts\/652\/revisions\/1525"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/media\/653"}],"wp:attachment":[{"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/media?parent=652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/categories?post=652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhihongplastic.com\/pt\/wp-json\/wp\/v2\/tags?post=652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}