{"id":7543,"date":"2024-11-11T06:01:18","date_gmt":"2024-11-11T06:01:18","guid":{"rendered":"https:\/\/changhongchemical.com\/?post_type=product&#038;p=7543"},"modified":"2025-11-19T08:43:24","modified_gmt":"2025-11-19T08:43:24","slug":"photoinitiator-250-cas-344562-80-7-108-32-7","status":"publish","type":"product","link":"https:\/\/changhongchemical.com\/pt\/product\/photoinitiator-250-cas-344562-80-7-108-32-7\/","title":{"rendered":"CHLUMINIT\u00ae 250 \/ Fotoiniciador 250 CAS 344562-80-7 108-32-7"},"content":{"rendered":"<h1>Fotoiniciador 250<\/h1>\n<p>&nbsp;<\/p>\n<p><b>Nome qu\u00edmico: <\/b><\/p>\n<p>Mistura de Iod\u00f4nio, (4-metilfenil)[4-(2-metilpropil) fenil]-,hexafluorofosfato(1-) (75%) em carbonato de propileno (25%); 250;Omnirad 250.<\/p>\n<p><b>N\u00famero CAS <\/b>.<\/p>\n<p>344562-80-7 + 108-32-7<\/p>\n<p><b>Especifica\u00e7\u00e3o <\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"257\">Apar\u00eancia<\/td>\n<td width=\"216\">L\u00edquido marrom ou azeda<\/td>\n<\/tr>\n<tr>\n<td width=\"257\">Ensaio<\/td>\n<td width=\"216\">\u226575.0%<\/td>\n<\/tr>\n<tr>\n<td width=\"257\">Pureza<\/td>\n<td width=\"216\">\u226598.0%<\/td>\n<\/tr>\n<tr>\n<td width=\"257\">Is\u00f4mero<\/td>\n<td width=\"216\">\u22642.0%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><b>Aplicativo <\/b><\/p>\n<p>O Omnicat 250 \u00e9 uma estrela brilhante no vasto campo de aplica\u00e7\u00f5es industriais, com usos exclusivos e diversificados. Ele pode ser usado sozinho ou em combina\u00e7\u00e3o com fotossensibilizadores adequados, como a tioxantona, e desempenha um papel importante em tintas e vernizes cur\u00e1veis por UV em superf\u00edcies feitas de diferentes materiais, como papel, metal, madeira, pl\u00e1stico e adesivos. Essa propriedade \u00e9 como uma chave mestra que abre a porta para o tratamento de superf\u00edcie de uma ampla variedade de materiais.<\/p>\n<p>Historicamente, nos prim\u00f3rdios da produ\u00e7\u00e3o industrial, a tecnologia de tratamento de superf\u00edcie dos materiais era relativamente simples. O surgimento da tecnologia de cura por UV j\u00e1 foi um grande avan\u00e7o, e produtos com v\u00e1rias fun\u00e7\u00f5es, como o 250, promoveram ainda mais o desenvolvimento do setor. Por exemplo, na impress\u00e3o de alguns livros antigos, a qualidade da cura da tinta na superf\u00edcie do papel era irregular. Com a aplica\u00e7\u00e3o de produtos como o 250, n\u00e3o apenas o efeito de cura da tinta foi aprimorado, mas a vida \u00fatil dos livros tamb\u00e9m foi ampliada.<\/p>\n<p>Quando o 250 \u00e9 usado em conjunto com alfa-hidroxi-cetonas, \u00e9 como se um superacelerador fosse instalado no processo de cura. Na produ\u00e7\u00e3o real, podemos ver que a velocidade linear aumentou muito, enquanto o efeito de cura da superf\u00edcie atingiu um n\u00edvel quase perfeito. Esse aprimoramento \u00e9 de grande import\u00e2ncia para a produ\u00e7\u00e3o industrial moderna em larga escala. Por exemplo, em uma linha de produ\u00e7\u00e3o de impress\u00e3o de alta velocidade, ela pode garantir a qualidade do produto em um per\u00edodo de tempo muito curto, o que melhora muito a efici\u00eancia da produ\u00e7\u00e3o e os benef\u00edcios econ\u00f4micos.<\/p>\n<p>No setor de artes gr\u00e1ficas, especialmente em aplica\u00e7\u00f5es de imagem, como tintas flexogr\u00e1ficas e serigr\u00e1ficas e primers brancos, o valor do 250 \u00e9 imensur\u00e1vel. Isso nos faz lembrar da impress\u00e3o daqueles p\u00f4steres de arte requintados, em que cada cor e cada linha precisa de uma cura de tinta precisa para obter os melhores resultados, e o 250 desempenha um papel fundamental. Al\u00e9m disso, o 250 tamb\u00e9m se destaca em aplica\u00e7\u00f5es adesivas, seja no setor de constru\u00e7\u00e3o para colar novos materiais ou no setor de eletr\u00f4nicos para fixar pe\u00e7as min\u00fasculas de precis\u00e3o.<br \/>\nVale a pena mencionar que o Omnicat 250 tem excelentes propriedades de cura em revestimentos pigmentados e tintas com alto teor de pigmento, mesmo em baixas concentra\u00e7\u00f5es, e com di\u00f3xido de tit\u00e2nio rutilo ou pigmentos coloridos. O baixo amarelamento \u00e9 insignificante quando h\u00e1 radia\u00e7\u00e3o UV suficiente, o que reflete suas propriedades qu\u00edmicas altamente est\u00e1veis. Nesses sistemas de pigmentos, a combina\u00e7\u00e3o de fotossensibilizador e Omnicat 250 \u00e9 a chave para garantir o efeito, assim como dois dan\u00e7arinos que trabalham juntos em perfeita harmonia.<\/p>\n<p>Al\u00e9m disso, as excelentes propriedades de absor\u00e7\u00e3o do Omnicat 250 s\u00e3o inigual\u00e1veis e ele pode curar revestimentos espessos, um recurso que \u00e9 crucial em alguns cen\u00e1rios industriais especiais. Essa capacidade \u00e9 levada ao extremo quando combinada com o fotossensibilizador apropriado. Podemos supor que, no setor de constru\u00e7\u00e3o naval, a cura de uma tinta protetora espessa no casco de um navio, se feita com o 250, pode resistir melhor \u00e0 eros\u00e3o da \u00e1gua do mar e \u00e0 luz solar prolongada, prolongando a vida \u00fatil do navio.<br \/>\nPor fim, deve-se enfatizar que as propriedades dos produtos formulados s\u00e3o afetadas pelos mon\u00f4meros reativos, olig\u00f4meros e aditivos realmente usados. Isso exige que o fabricante misture cuidadosamente esses ingredientes de acordo com as necessidades e condi\u00e7\u00f5es espec\u00edficas de produ\u00e7\u00e3o ao usar 250 para obter os melhores resultados do produto. Assim como na culin\u00e1ria, as propor\u00e7\u00f5es de cada ingrediente determinam o sabor e a qualidade do prato final.<\/p>\n<p><b>N\u00edveis de adi\u00e7\u00e3o recomendados <\/b><\/p>\n<p>A quantidade de 250 necess\u00e1ria para o desempenho ideal deve ser determinada em testes que abranjam uma faixa de concentra\u00e7\u00e3o:<\/p>\n<p>revestimentos de base branca 1,5 - 3,0 %<\/p>\n<p>tintas flexogr\u00e1ficas 1,5 - 4,0 %<\/p>\n<p>Tintas para telas 1,5 - 3,0 %<\/p>\n<p>vernizes de sobreimpress\u00e3o 1.0 - 1.5 %<\/p>\n<p>como fornecido, em combina\u00e7\u00e3o com 0,5 - 0,7 % de um fotossensibilizador, por exemplo, tioxantonas.<\/p>\n<p>&nbsp;<\/p>\n<p><b>Embalagem <\/b><\/p>\n<p>250 est\u00e1 dispon\u00edvel em latas de 20 kg.<\/p>\n<p>&nbsp;<\/p>\n<p><b>Armazenamento e manuseio <\/b><\/p>\n<p>O 250 \u00e9 sens\u00edvel \u00e0 luz vis\u00edvel e qualquer exposi\u00e7\u00e3o \u00e0 luz solar deve ser evitada. Os recipientes abertos devem ser fechados ap\u00f3s o uso para proteger o produto contra a luz e a umidade. Na presen\u00e7a de<\/p>\n<p>de certos \u00e9teres vin\u00edlicos, a estabilidade do 250 pode ser afetada negativamente se a formula\u00e7\u00e3o for exposta a temperaturas elevadas. Evite o contato com aditivos alcalinos e \u00e1gua.<\/p>\n<p>Sujeitos ao armazenamento adequado sob as condi\u00e7\u00f5es usuais de armazenamento e temperatura, nossos produtos s\u00e3o dur\u00e1veis por pelo menos 24 meses.<\/p>\n<p>250 deve ser manuseado de acordo com as boas pr\u00e1ticas industriais. Mais informa\u00e7\u00f5es s\u00e3o fornecidas na folha de dados de seguran\u00e7a do material, que est\u00e1 dispon\u00edvel mediante solicita\u00e7\u00e3o.<\/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@changhongchemical.com\">info@changhongchemical.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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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:\/\/changhongchemical.com\/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>","protected":false},"excerpt":{"rendered":"<p>O Photoinitiator 250 \u00e9 um fotoiniciador vers\u00e1til para a polimeriza\u00e7\u00e3o cati\u00f4nica de sistemas fotocur\u00e1veis \u00e0 base de ep\u00f3xi ou oxetano ap\u00f3s exposi\u00e7\u00e3o \u00e0 luz. Ele pode ser usado para curar com efic\u00e1cia tintas e revestimentos cati\u00f4nicos, por exemplo, tintas de impress\u00e3o, revestimentos de base branca e adesivos. O Omnicat 250 \u00e9 especialmente adequado para a cura de sistemas espessos e altamente pigmentados.<\/p>","protected":false},"featured_media":8095,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[175,176,174],"product_tag":[],"class_list":{"0":"post-7543","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cationic-photoinitiator","7":"product_cat-newly-developed-pis","8":"product_cat-photoinitiator","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Photoinitiator 250 manufacturer-Changhong Chemical<\/title>\n<meta name=\"description\" content=\"Photoinitiator 250 can replace Omnirad 250 , used as photoinitiator and is the key product of Changhong Chemical. We are the leading uv curing material manufacturer and supplier in China with the best quanlity and competitive price.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/changhongchemical.com\/pt\/product\/photoinitiator-250-cas-344562-80-7-108-32-7\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Photoinitiator 250 manufacturer-Changhong Chemical\" \/>\n<meta property=\"og:description\" content=\"Photoinitiator 250 can replace Omnirad 250 , used as photoinitiator and is the key product of Changhong Chemical. 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