{"id":5556,"date":"2022-09-13T12:34:42","date_gmt":"2022-09-13T12:34:42","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5556"},"modified":"2026-04-28T10:42:08","modified_gmt":"2026-04-28T10:42:08","slug":"how-to-ensure-the-uniformity-of-uv","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/how-to-ensure-the-uniformity-of-uv\/","title":{"rendered":"Como garantir a uniformidade da cor da tinta de cura UV?"},"content":{"rendered":"<h1><strong>Como garantir a uniformidade da cor da tinta de cura UV?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/strong> Na maioria dos sistemas UV, os fotoiniciadores s\u00e3o selecionados equilibrando a adequa\u00e7\u00e3o do comprimento de onda, a cura completa, o controle de cor e a velocidade da linha. Os compradores geralmente comparam um pacote com v\u00e1rios fotoiniciadores em vez de um produto isolado.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>A impress\u00e3o \u00e9 uma parte importante para garantir a uniformidade da cor da tinta, mas tamb\u00e9m \u00e9 um processo com fortes requisitos t\u00e9cnicos. Al\u00e9m de exigir que o operador tenha um certo grau de conhecimento e habilidades profissionais para ajustar a m\u00e1quina, ele tamb\u00e9m precisa ter muita experi\u00eancia. Para garantir a uniformidade da cor da tinta de cura UV, deve-se considerar os seguintes aspectos.<\/p>\n<p>1) Press\u00e3o de impress\u00e3o<\/p>\n<p>A impress\u00e3o n\u00e3o pode ser separada da press\u00e3o. Na impress\u00e3o offset, a fonte de press\u00e3o \u00e9 a manta el\u00e1stica, seguida pela press\u00e3o entre os tr\u00eas cilindros de impress\u00e3o, entre os rolos de tinta e os rolos de tinta, os rolos de tinta e as chapas de impress\u00e3o, os rolos de \u00e1gua e os rolos de \u00e1gua, os rolos de \u00e1gua e as chapas de impress\u00e3o entre a press\u00e3o. Eles afetam uns aos outros e, juntos, determinam a quantidade de tinta de cura UV transferida da chapa de impress\u00e3o para a impress\u00e3o e a qualidade da impress\u00e3o.<\/p>\n<p>Os rolos de tinta e os rolos de tinta, os rolos de tinta e a press\u00e3o entre a chapa de impress\u00e3o s\u00e3o geralmente usados para ajustar a espessura do medidor, com a barra de tinta para verificar se o contato entre os rolos de tinta e a chapa de impress\u00e3o \u00e9 adequado. Se o ajuste n\u00e3o for adequado ou se o tempo de tinta do rolo de tinta n\u00e3o for adequado, haver\u00e1 barra de tinta, luz frontal e depois fundo ou frente profunda e depois luz, sombra pesada, placa de flores e outros fen\u00f4menos. Os rolos de borracha s\u00e3o propensos ao envelhecimento t\u00e9rmico, resultando em endurecimento da superf\u00edcie, rachaduras e descascamento, afetando a transfer\u00eancia da tinta cur\u00e1vel por UV para a chapa de impress\u00e3o. Portanto, no processo de impress\u00e3o, os rolos de tinta n\u00e3o retos devem ser substitu\u00eddos em tempo h\u00e1bil por rolos de envelhecimento, endurecimento, rachaduras, descascamento, para que a transfer\u00eancia de tinta de cura UV seja boa e a uniformidade da cor da tinta seja garantida.<\/p>\n<p>O rolo de \u00e1gua e o rolo de \u00e1gua, o rolo de \u00e1gua e a press\u00e3o entre a placa de impress\u00e3o tamb\u00e9m dependem da espessura do medidor n\u00e3o ajustado, o ajuste de press\u00e3o entre eles \u00e9 bom ou ruim e tamb\u00e9m afeta diretamente a uniformidade da cor da tinta do produto. Se for ajustado incorretamente, tamb\u00e9m causar\u00e1 a ocorr\u00eancia de barra de \u00e1gua, placa de pasta, sujeira, placa de flores, emulsifica\u00e7\u00e3o de tinta de cura UV e outros fen\u00f4menos. O rolo de \u00e1gua bem regulado n\u00e3o deve ter nenhuma tinta de cura UV UV de volta \u00e0 superf\u00edcie do rolo de \u00e1gua, mantendo uma boa hidrofilicidade, transfer\u00eancia de \u00e1gua, para o fornecimento de \u00e1gua est\u00e1vel e uniforme da chapa de impress\u00e3o.<\/p>\n<p>A manta de borracha no processo de reprodu\u00e7\u00e3o da imagem desempenha um papel importante na aceita\u00e7\u00e3o e transfer\u00eancia de uma certa espessura de filme de tinta, e ambas exigem que ela seja f\u00e1cil de pintar, mas tamb\u00e9m que tenha boa transfer\u00eancia de tinta. Com o passar do tempo, o tecido de borracha se torna pegajoso, duro, el\u00e1stico e as propriedades mec\u00e2nicas pioram, afetando seu desempenho de impress\u00e3o de tinta lipof\u00edlica e de transfer\u00eancia de tinta de cura UV. Portanto, no processo de uso, deve-se escolher um bom desempenho do tecido de borracha e o uso correto dele, geralmente prestando aten\u00e7\u00e3o \u00e0 manuten\u00e7\u00e3o do tecido de borracha, para estender sua vida \u00fatil e garantir a uniformidade da transfer\u00eancia de tinta de cura UV.<\/p>\n<p>A press\u00e3o entre os tr\u00eas rolos \u00e9 medida por um micr\u00f4metro ap\u00f3s pressionar o fus\u00edvel. O ajuste inadequado causar\u00e1 o deslizamento do cilindro, aumentando assim o atrito da chapa de impress\u00e3o, resultando na chapa de flores, fazendo com que os gr\u00e1ficos produzam fantasmas, vazios de impress\u00e3o muito pequenos e outros fen\u00f4menos.<\/p>\n<p>2) equil\u00edbrio de \u00e1gua e tinta<\/p>\n<p>A impress\u00e3o offset n\u00e3o pode ser separada da \u00e1gua e do \u00f3leo; o excesso ou a falta de ambos trar\u00e1 problemas para a produ\u00e7\u00e3o; somente os dois mant\u00eam um equil\u00edbrio relativo, para que a tinta de cura UV na impress\u00e3o mantenha uma estabilidade relativa. Os fatores a seguir afetam o desequil\u00edbrio entre a \u00e1gua e a tinta.<\/p>\n<p>\u2460 velocidade de impress\u00e3o. A equipe de impress\u00e3o sabe que a velocidade aumenta, a transfer\u00eancia de \u00e1gua tamb\u00e9m aumenta, a taxa de transfer\u00eancia de tinta de cura UV UV diminui; a velocidade diminui, aumentando o tempo de transfer\u00eancia de tinta de cura UV UV, o volume de tinta de cura UV UV aumentar\u00e1. \u00c9 necess\u00e1rio imprimir v\u00e1rias centenas de folhas de papel para atingir um novo equil\u00edbrio, portanto, o processo de impress\u00e3o deve ser mantido na velocidade de impress\u00e3o do liso.<\/p>\n<p>\u2461 Aditivos de tinta de cura UV UV. No processo de impress\u00e3o, a fim de facilitar a impress\u00e3o de for\u00e7a suave para realizar, adicione uma certa quantidade de aditivos de tinta de cura UV UV para superar os problemas decorrentes da viscosidade da tinta de cura UV UV \u00e9 muito grande, adicione aditivos de tinta de cura UV UV tamb\u00e9m afetar\u00e1 a uniformidade da cor da tinta. Quanto mais aditivos, mais fina ser\u00e1 a tinta de cura UV, a transfer\u00eancia para a chapa de impress\u00e3o e a quantidade de tinta no papel ser\u00e3o insuficientes; ao contr\u00e1rio, quanto mais tinta for transferida. Agora, a maior parte de um projeto precisa ser conclu\u00edda por v\u00e1rias m\u00e1quinas juntas, cada m\u00e1quina para adicionar a mesma propor\u00e7\u00e3o de aditivos, de modo que a quantidade de aditivos de tinta de cura UV UV seja adicionada aos dados.<\/p>\n<p>\u2462 m\u00e1quina de impress\u00e3o ociosa. A parada tempor\u00e1ria do processo de impress\u00e3o ocorre com frequ\u00eancia, geralmente a entrega do papel \u00e9 interrompida, com o rolo de \u00e1gua ainda em funcionamento, com o rolo de \u00e1gua continua a passar a solu\u00e7\u00e3o do balde de \u00e1gua para a placa de impress\u00e3o, mas o rolo de transfer\u00eancia de \u00e1gua por causa da entrega do papel parou e parou automaticamente, com o rolo de \u00e1gua na \u00e1gua tamb\u00e9m \u00e9 reduzido de acordo, a viscosidade da tinta de cura UV UV no processo de marcha lenta, mas um aumento correspondente. Nesse momento, e depois de impressa, a frente de algumas folhas de papel escurece a cor da tinta, para imprimir uma d\u00fazia de folhas de cor de tinta para chegar a uma cor suave. Portanto, o trabalho de prepara\u00e7\u00e3o antes da impress\u00e3o deve ser feito para minimizar o n\u00famero de paradas.<\/p>\n<p>\u2463 Esfregar a chapa de impress\u00e3o. Ao esfregar a chapa de impress\u00e3o, o layout da maior parte da \u00e1gua, a viscosidade da tinta de cura UV UV afetada pela \u00e1gua, juntamente com a limpeza da manta, a quantidade de tinta de cura UV UV aumenta lentamente, at\u00e9 que dezenas de folhas mais tarde atinjam um equil\u00edbrio. Portanto, quando a impressora come\u00e7ar, n\u00e3o borrife \u00e1gua em excesso na chapa de impress\u00e3o para molhar a chapa, reduza o n\u00famero de vezes que lava a manta.<\/p>\n<p>\u2464 no processo de impress\u00e3o, o rolo de \u00e1gua ficar\u00e1 cada vez mais sujo, preso \u00e0 tinta de cura UV UV cada vez mais, de modo a reduzir a \u00e1gua recebida do rolo de transfer\u00eancia de \u00e1gua, resultando em desequil\u00edbrio de \u00e1gua e tinta. Baixa temperatura e tinta de cura UV UV \"dura\", dificuldades de transfer\u00eancia de tinta de cura UV UV, a m\u00e1quina deve funcionar por um determinado per\u00edodo de tempo ap\u00f3s a tinta de cura UV UV UV para equilibrar.<\/p>\n<p>3) Outros<\/p>\n<p>Antes da impress\u00e3o, a amostra deve ser identificada, para garantir que a uniformidade da cor da tinta de impress\u00e3o e alguns outros indicadores de qualidade estejam de acordo com os requisitos da chave, n\u00e3o h\u00e1 nenhuma amostra de cada m\u00e1quina que n\u00e3o possa iniciar a impress\u00e3o. No processo de impress\u00e3o, fa\u00e7a tr\u00eas dilig\u00eancias, ou seja, controle diligente e de amostra, agita\u00e7\u00e3o diligente da tinta e controle diligente da \u00e1gua. Manter a cor da tinta do produto em lote uniforme e est\u00e1vel.<\/p>\n<p>\u2461 no processo de impress\u00e3o, devido a raz\u00f5es mec\u00e2nicas causadas por tinta de cura UV UV desigual, como ap\u00f3s os dentes de rolamento, os dentes da corrente mordem de forma desigual, o \u00e2ngulo de despejo do papel causado por fantasmas, etc., refletido na impress\u00e3o tamb\u00e9m \u00e9 uma cor de tinta desigual.<\/p>\n<p>\u2462 encontrar gr\u00e1ficos lado a lado nesta vers\u00e3o do livro, o n\u00famero de impress\u00f5es \u00e9 menor, o n\u00famero de folhas e mais, para manter cada impress\u00e3o e entre a folha de impress\u00e3o e a folha de impress\u00e3o uniformidade de cor de tinta de cura UV UV ou mais operadores de teste. Devido \u00e0 localiza\u00e7\u00e3o diferente do padr\u00e3o, h\u00e1 um padr\u00e3o de lugares que exigem quantidades diferentes de tinta, geralmente apenas os dentes de tinta abrem um papel de impress\u00e3o plano que acabou. Para manter a estabilidade da cor da tinta, em primeiro lugar, a placa de impress\u00e3o deve ser classificada, o padr\u00e3o na mesma posi\u00e7\u00e3o primeiro, para evitar repetir constantemente o ajuste dos dentes de tinta; em segundo lugar, a placa de impress\u00e3o na m\u00e1quina deve ser ajustada de acordo com o padr\u00e3o no in\u00edcio dos dentes de tinta, abrir o volume de tinta, enquanto reproduz o medidor de acordo com a amostra para ajustar a quantidade de tinta, esse processo sobre o papel da placa para colocar um pouco mais, para reproduzir um bom medidor, a cor da tinta por si s\u00f3 n\u00e3o h\u00e1 mudan\u00e7a; finalmente, ajuste a tinta de cura UV UV quando abrir dentes pequenos, reproduza um arquivo grande.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Uma rota de sele\u00e7\u00e3o pr\u00e1tica para projetos relacionados a fotoiniciadores<\/h2>\n<p>Ao avaliar fotoiniciadores, os compradores t\u00e9cnicos ou formuladores geralmente consideram a qualidade da cura e a adequa\u00e7\u00e3o \u00e0 aplica\u00e7\u00e3o: qual embalagem cura de forma confi\u00e1vel, mant\u00e9m uma apar\u00eancia aceit\u00e1vel e ainda funciona sob as condi\u00e7\u00f5es da l\u00e2mpada, espessura do filme e substrato do processo real.<\/p>\n<ul>\n<li><strong>Primeiro, compare a embalagem com a l\u00e2mpada:<\/strong> L\u00e2mpadas de merc\u00fario, LEDs UV e sistemas de luz vis\u00edvel podem classificar os mesmos fotoiniciadores de maneiras muito diferentes.<\/li>\n<li><strong>Verifique a cura em profundidade e a cura superficial separadamente:<\/strong> Uma pel\u00edcula que parece seca na superf\u00edcie ainda pode estar fr\u00e1gil por baixo.<\/li>\n<li><strong>Equilibre o amarelamento com a reatividade:<\/strong> O m\u00e9todo de cura profunda mais eficaz nem sempre \u00e9 a melhor op\u00e7\u00e3o comercial se o risco de migra\u00e7\u00e3o ou altera\u00e7\u00e3o da cor se tornar inaceit\u00e1vel.<\/li>\n<li><strong>Utilize a f\u00f3rmula final como refer\u00eancia:<\/strong> A quantidade de pigmento, o pacote de mon\u00f4meros e a espessura do filme podem alterar a classifica\u00e7\u00e3o aparente do mesmo iniciador.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> \u00datil quando uma f\u00f3rmula necessita de maior absor\u00e7\u00e3o e suporte \u00e0 cura mais profunda.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> Um ponto de compara\u00e7\u00e3o pr\u00e1tico para a inicia\u00e7\u00e3o cl\u00e1ssica por UV de ondas curtas.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> Uma via de suporte de ondas longas \u00fatil em muitos pacotes de tinta de impress\u00e3o.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-cq\/\">CHLUMINIT CQ<\/a>:<\/strong> Uma refer\u00eancia direta para discuss\u00f5es sobre cura sens\u00edvel \u00e0 luz vis\u00edvel e \u00e0 cor.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que os pacotes de fotoiniciadores misturados s\u00e3o t\u00e3o comuns?<\/strong><br \/>Como um produto pode controlar o amarelamento ou o encaixe da l\u00e2mpada, enquanto outro melhora a profundidade de cura ou o desempenho da velocidade da linha, o pacote completo costuma ser mais eficaz do que qualquer produto individual.<\/p>\n<p><strong>A cura incompleta deve sempre ser resolvida adicionando mais iniciador?<\/strong><br \/>N\u00e3o automaticamente. A verdadeira limita\u00e7\u00e3o pode estar na l\u00e2mpada, na espessura do filme, na tonalidade do pigmento ou no restante do sistema reativo, e n\u00e3o simplesmente em uma subdosagem.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se precisar do Price, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato dentro de 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 435.77pt;\" border=\"0\" width=\"581\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt; width: 215.25pt;\" width=\"287\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Fotoiniciador TPO<\/span><\/a><\/td>\n<td style=\"width: 220.50pt;\" width=\"294\">CAS 75980-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Fotoiniciador TMO<\/span><\/a><\/td>\n<td>CAS 270586-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Fotoiniciador PD-01<\/span><\/a><\/td>\n<td>CAS 579-07-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador PBZ<\/span><\/a><\/td>\n<td>CAS 2128-93-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador OXE-02<\/span><\/a><\/td>\n<td>CAS 478556-66-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Fotoiniciador OMBB<\/span><\/a><\/td>\n<td>CAS 606-28-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Fotoiniciador MPBZ (6012)<\/span><\/a><\/td>\n<td>CAS 86428-83-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador MBP<\/span><\/a><\/td>\n<td>CAS 134-84-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador MBF<\/span><\/a><\/td>\n<td>CAS 15206-55-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador LAP<\/span><\/a><\/td>\n<td>CAS 85073-19-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Fotoiniciador ITX<\/span><\/a><\/td>\n<td>CAS 5495-84-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Fotoiniciador EMK<\/span><\/a><\/td>\n<td>CAS 90-93-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador EHA<\/span><\/a><\/td>\n<td>CAS 21245-02-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador EDB<\/span><\/a><\/td>\n<td>CAS 10287-53-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Fotoiniciador DETX<\/span><\/a><\/td>\n<td>CAS 82799-44-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a 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83846-85-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Fotoiniciador 938<\/span><\/a><\/td>\n<td>CAS 61358-25-6<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 937<\/span><\/a><\/td>\n<td>CAS 71786-70-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Fotoiniciador 819 DW<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a 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