{"id":5829,"date":"2023-01-05T12:15:58","date_gmt":"2023-01-05T12:15:58","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5829"},"modified":"2026-04-28T10:42:12","modified_gmt":"2026-04-28T10:42:12","slug":"solve-the-problem-of-incomplete-curing-of-uv-coating","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/solve-the-problem-of-incomplete-curing-of-uv-coating\/","title":{"rendered":"Como resolver o problema da cura incompleta do revestimento UV?"},"content":{"rendered":"<h1><strong>Como resolver o problema da cura incompleta do revestimento UV?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> Photoinitiator choice is usually driven by lamp match, cure depth, yellowing, and whether the final film still performs on the real substrate. The best package is rarely the cheapest single grade.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>A tecnologia de revestimento UV tornou-se a base dos revestimentos verdes devido \u00e0 sua compatibilidade com o meio ambiente, alta efici\u00eancia e alta dureza, e \u00e9 inevit\u00e1vel e cada vez mais aceita em uma ampla gama de aplica\u00e7\u00f5es. A variedade de substratos em que ela pode ser aplicada evoluiu de madeira e papel para pl\u00e1sticos, metais, cer\u00e2mica, vidro e outros campos.<\/p>\n<p>&nbsp;<\/p>\n<p>Princ\u00edpio e caracter\u00edsticas da cura por UV<\/p>\n<p>A cura por UV (cura por UV) refere-se \u00e0 forte irradia\u00e7\u00e3o de luz ultravioleta, o sistema de subst\u00e2ncias fotossens\u00edveis na rea\u00e7\u00e3o qu\u00edmica para produzir fragmentos ativos, desencadeando o sistema de mon\u00f4mero ativo ou polimeriza\u00e7\u00e3o zwitteri\u00f4nica, reticula\u00e7\u00e3o, de modo que o sistema do revestimento l\u00edquido se transforme instantaneamente em um revestimento s\u00f3lido. O processo de cura \u00e9 um processo de rea\u00e7\u00e3o fotoqu\u00edmica, ou seja, sob a a\u00e7\u00e3o da energia da luz ultravioleta, o pr\u00e9-pol\u00edmero \u00e9 curado em um filme em um per\u00edodo muito curto de tempo; a luz UV, al\u00e9m de causar a cura da superf\u00edcie do material, penetra mais na tinta l\u00edquida cur\u00e1vel por UV e estimula a cura adicional da tinta profunda; em compara\u00e7\u00e3o com a tinta tradicional, a polimeriza\u00e7\u00e3o da tinta cur\u00e1vel por UV e a secagem s\u00e3o mais completas, sem qualquer evapora\u00e7\u00e3o ou contaminantes \u00e0 base de solvente, cura 100%. A tecnologia de cura por UV foi desenvolvida rapidamente no mundo e nos setores de eletr\u00f4nicos, impress\u00e3o, constru\u00e7\u00e3o, decora\u00e7\u00e3o, medicina, maquin\u00e1rio, qu\u00edmica e automotivo para promover a aplica\u00e7\u00e3o.<\/p>\n<p>&nbsp;<\/p>\n<p>A tecnologia de cura por UV \u00e9 amplamente utilizada, principalmente por causa de suas vantagens exclusivas: cura r\u00e1pida, atendendo \u00e0s necessidades da produ\u00e7\u00e3o automatizada moderna; livre de polui\u00e7\u00e3o, em linha com a dire\u00e7\u00e3o do desenvolvimento de revestimentos e tintas modernos; filme de revestimento de alta qualidade, alta dureza, resist\u00eancia a arranh\u00f5es, resist\u00eancia \u00e0 corros\u00e3o e outras vantagens, e tem atra\u00eddo muita aten\u00e7\u00e3o.<\/p>\n<p>&nbsp;<\/p>\n<p>Aqui discutimos os seis fatores que afetam a cura incompleta por luz UV<\/p>\n<p>&nbsp;<\/p>\n<p>1, a energia da luz ultravioleta.<\/p>\n<p>(1). A energia da luz UV \u00e9 insuficiente, geralmente porque a densidade de pot\u00eancia de produ\u00e7\u00e3o da l\u00e2mpada UV \u00e9 muito pequena ou porque os par\u00e2metros do transformador n\u00e3o correspondem, o que causa uma cura incompleta.<\/p>\n<p>(2). Os revestimentos UV no fotoiniciador n\u00e3o s\u00e3o suficientes para absorver uma energia UV razo\u00e1vel, resultando em uma cura incompleta.<\/p>\n<p>&nbsp;<\/p>\n<p>2. A temperatura dentro do forno UV est\u00e1 muito baixa.<\/p>\n<p>Forno UV devido ao volume excessivo de ar do ventilador centr\u00edfugo ou ao papel do resfriamento excessivo da \u00e1gua, a situa\u00e7\u00e3o de bloqueio de oxig\u00eanio \u00e9 muito forte, resultando em temperatura da superf\u00edcie da l\u00e2mpada UV muito baixa para funcionar corretamente, resultando em cura incompleta dos revestimentos UV.<\/p>\n<p>&nbsp;<\/p>\n<p>3, a dist\u00e2ncia da l\u00e2mpada de cura por luz.<\/p>\n<p>A l\u00e2mpada UV e o refletor e a dist\u00e2ncia entre a superf\u00edcie do objeto iluminado \u00e9 de 7 a 8 cm quando a energia UV \u00e9 mais forte, mas, de acordo com os diferentes substratos de cura, a dist\u00e2ncia geral de cura \u00e9 selecionada em cerca de 10 a 15 cm.<\/p>\n<p>(1). A dist\u00e2ncia \u00e9 muito baixa, pois a temperatura da superf\u00edcie da l\u00e2mpada UV \u00e9 muito alta e o substrato \u00e9 deformado pelo calor.<\/p>\n<p>(2). A dist\u00e2ncia \u00e9 muito alta, a energia UV \u00e9 pequena, a superf\u00edcie do substrato n\u00e3o est\u00e1 seca e pegajosa.<\/p>\n<p>&nbsp;<\/p>\n<p>4, a espessura do revestimento UV.<\/p>\n<p>A espessura do revestimento UV desempenha um papel fundamental no efeito da cura UV, de acordo com a tonalidade da tinta, a temperatura, a velocidade de cura, a superf\u00edcie do substrato e outras condi\u00e7\u00f5es diferentes para a implanta\u00e7\u00e3o adequada.<\/p>\n<p>(1). O revestimento \u00e9 muito espesso, o tempo de secagem \u00e9 relativamente longo sob a irradia\u00e7\u00e3o da mesma fonte de luz de pot\u00eancia, o que, por um lado, afeta a secagem profunda do revestimento UV e, por outro lado, faz com que a temperatura da superf\u00edcie do substrato fique muito alta, levando \u00e0 deforma\u00e7\u00e3o do substrato.<\/p>\n<p>(2). A camada de revestimento \u00e9 muito fina, o que resultar\u00e1 em um brilho ruim na superf\u00edcie do produto e n\u00e3o conseguir\u00e1 obter o efeito de superf\u00edcie necess\u00e1rio.<\/p>\n<p>&nbsp;<\/p>\n<p>5. Velocidade da correia transportadora da linha de revestimento.<\/p>\n<p>De acordo com os diferentes substratos, revestimentos e dist\u00e2ncia de cura, a velocidade da correia transportadora do equipamento, ou seja, a velocidade da fotopolimeriza\u00e7\u00e3o, deve ser ajustada adequadamente.<\/p>\n<p>(1). A velocidade de cura \u00e9 muito r\u00e1pida, o revestimento UV da superf\u00edcie do substrato fica pegajoso ou a superf\u00edcie seca, mas n\u00e3o seca por dentro.<\/p>\n<p>(2). Se a velocidade de opera\u00e7\u00e3o for lenta, a superf\u00edcie do substrato envelhecer\u00e1.<\/p>\n<p>&nbsp;<\/p>\n<p>6, o ambiente do processo de fotopolimeriza\u00e7\u00e3o.<\/p>\n<p>A viscosidade do revestimento UV muda muito devido \u00e0 temperatura, portanto, a temperatura ambiente deve ser ajustada, geralmente controlada a 15-25 \u2103 \u00e9 mais apropriada; a temperatura muito baixa produzir\u00e1 o fen\u00f4meno da casca de laranja, e preste aten\u00e7\u00e3o para que a impress\u00e3o n\u00e3o seja exposta \u00e0 luz solar direta.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/uv-photoinitiator\/\"><span style=\"color: #00ccff;\">Fotoiniciador UV<\/span><\/a> Produtos da mesma s\u00e9rie<\/strong><\/h2>\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 href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Fotoiniciador CQ \/ canforoquinona<\/span><\/a><\/td>\n<td>CAS 10373-78-1<\/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-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador CBP<\/span><\/a><\/td>\n<td>CAS 134-85-0<\/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-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Fotoiniciador BP \/ Benzofenona<\/span><\/a><\/td>\n<td>CAS 119-61-9<\/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-bms\/\"><span style=\"color: #00ccff;\">Fotoiniciador BMS<\/span><\/a><\/td>\n<td>CAS 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 href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Fotoiniciador 819<\/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 href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Fotoiniciador 784<\/span><\/a><\/td>\n<td>CAS 125051-32-3<\/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-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 754<\/span><\/a><\/td>\n<td>CAS 211510-16-6 442536-99-4<\/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-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Fotoiniciador 6993<\/span><\/a><\/td>\n<td>CAS 71449-78-0<\/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-6976\/\"><span style=\"color: #00ccff;\">Fotoiniciador 6976<\/span><\/a><\/td>\n<td>CAS 71449-78-0 89452-37-9 108-32-7<\/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-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Fotoiniciador 379<\/span><\/a><\/td>\n<td>CAS 119344-86-4<\/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-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Fotoiniciador 369<\/span><\/a><\/td>\n<td>CAS 119313-12-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-160\/\">Fotoiniciador 160<\/a><\/span><\/td>\n<td>CAS 71868-15-0<\/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-1206\/\"><span style=\"color: #00ccff;\">Fotoiniciador 1206<\/span><\/a><\/td>\n<td><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Fotoiniciador 1173<\/span><\/a><\/td>\n<td>CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for photoinitiator-related projects<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> A strong low-yellowing reference for LED-oriented UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Useful when a formulation needs stronger absorption and deeper cure support.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> A practical comparison point for classic short-wave UV initiation.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> A useful long-wave support route in many printing-ink packages.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are blended photoinitiator packages so common?<\/strong><br \/>Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n<p><strong>Should incomplete cure always be solved by adding more initiator?<\/strong><br \/>Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/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 de COA, MSDS ou TDS, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato em at\u00e9 24 horas.<\/b><\/strong> Voc\u00ea tamb\u00e9m pode me enviar um e-mail <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #0000ff;\">info@longchangchemical.com<\/span><\/a> durante 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.<\/h4>","protected":false},"excerpt":{"rendered":"<p>UV coating technology has become the mainstay of green coatings because of its environmental friendliness, high efficiency and high hardness, and is inevitably and increasingly accepted in a wide range<\/p>","protected":false},"author":1,"featured_media":5190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to solve the problem of incomplete curing of UV coating? 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