{"id":7876,"date":"2025-01-30T13:40:12","date_gmt":"2025-01-30T13:40:12","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7876"},"modified":"2026-04-28T10:42:49","modified_gmt":"2026-04-28T10:42:49","slug":"uv-letterpress-inks-and-reference-formulas","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/uv-letterpress-inks-and-reference-formulas\/","title":{"rendered":"UV \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c \ubc0f \ucc38\uc870 \uacf5\uc2dd"},"content":{"rendered":"<p>UV \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c \ubc0f \ucc38\uc870 \uacf5\uc2dd<\/p>\n<p>\ud65c\ud310 \uc778\uc1c4\ub294 \uc624\ud504\uc14b \uc778\uc1c4\ub098 \ud50c \ub809\uc18c \uc778\uc1c4\uc5d0 \ube44\ud574 \uc778\uc1c4 \uc18d\ub3c4\uac00 \ub5a8\uc5b4\uc9c0\uace0 \uc778\uc1c4 \uc18d\ub3c4\ub3c4 \uc88b\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uc810\uc810 \uc0ac\uc6a9\uc774 \uc904\uc5b4\ub4e4\uace0 \uc788\uc73c\uba70, \uc774\uc5d0 \ub530\ub77c \ud65c\ud310 \uc789\ud06c \uc0dd\uc0b0\ub7c9\ub3c4 \uac10\uc18c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>UV \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c\uc758 \uacbd\uc6b0 \"3.5UV \ud50c \ub809\uc18c \uc789\ud06c\"\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<p>(1) UV \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c \ucc38\uc870 \ubc30\ud569<br \/>\nEA 35<\/p>\n<p>GPTA 20<\/p>\n<p>TPGDA 13<\/p>\n<p>BP 6<\/p>\n<p>TEA 3<\/p>\n<p>\uc548\ub8cc 17<\/p>\n<p>\ud544\ub7ec 5<\/p>\n<p>\ud3f4\ub9ac\uc5d0\ud2f8\ub80c \uc641\uc2a4 1<\/p>\n<p>(2) UV \ub808\ub4dc \ub808\ud130\ud504\ub808\uc2a4 \ub9c8\ud0b9 \uc789\ud06c \ucc38\uc870 \uacf5\uc2dd<br \/>\nPEA 54<\/p>\n<p>DDA 10<\/p>\n<p>TMPTA 8<\/p>\n<p>BP 3<\/p>\n<p>ITX 3<\/p>\n<p>EDAB 5<\/p>\n<p>\ub9ac\uc18c \ub808\ub4dc \ud53c\uadf8\uba3c\ud2b8 16<\/p>\n<p>\uc641\uc2a4 1<\/p>\n<p>(3) UV \uac80\uc815 \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c \ucc38\uc870 \uacf5\uc2dd<br \/>\nEA 15<\/p>\n<p>PEA 22<\/p>\n<p>\uc5fc\uc18c \ucc98\ub9ac\ub41c PE 30<\/p>\n<p>GPTA 5<\/p>\n<p>ITX 2<\/p>\n<p>369 4<\/p>\n<p>ODAB 4<\/p>\n<p>\uce74\ubcf8 \ube14\ub799 16<\/p>\n<p>\ud3f4\ub9ac\uc5d0\ud2f8\ub80c \uc641\uc2a4 2<\/p>\n<p>(4) UV \ud770\uc0c9 \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c \ucc38\uc870 \ubc30\ud569<br \/>\nEA 25<\/p>\n<p>HDDA 10<\/p>\n<p>TPGDA 19<\/p>\n<p>TPO 2<\/p>\n<p>184 3<\/p>\n<p>TiO2 24<\/p>\n<p>\ud65c\uc11d 15<\/p>\n<p>SiO2 2<\/p>\n<p>(5) UV \ud65c\ud310 \uc778\uc1c4 \uc789\ud06c \ucc38\uc870 \uacf5\uc2dd<br \/>\n\uc5d0\ud3ed\uc2dc \ube44\uc0ac\ud06c\ub9b4\ub808\uc774\ud2b8 18<\/p>\n<p>\ucee8\ub514\uc154\ub2dd \ub808\uc9c4 15<\/p>\n<p>\ud65c\uc131 \ubaa8\ub178\uba38 30<\/p>\n<p>\ubca4\uc870\ud398\ub17c 8<\/p>\n<p>\ud2b8\ub9ac\uc5d0\ud0c4\uc62c\uc544\ubbfc 3<\/p>\n<p>\ud53c\uadf8\uba3c\ud2b8 22<\/p>\n<p>\ud3f4\ub9ac\uc5d0\ud2f8\ub80c \uc641\uc2a4 2<\/p>\n<p>\ubca4\ud1a0\ub098\uc774\ud2b8 2<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How formulators usually evaluate this photoinitiator topic<\/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\/ko\/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\/ko\/product\/photoinitiator-184-cas-947-19-3\/\">CHLUMINIT 184<\/a>:<\/strong> A classic free-radical benchmark for fast surface cure in many UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/ko\/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\/ko\/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>\uc9c0\uae08 \ubb38\uc758\ud558\uc138\uc694!<\/b><\/strong><\/h2>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> In most UV systems, photoinitiators are selected by balancing wavelength fit, through-cure, color control, and line speed. Buyers usually compare a blended package instead of one isolated product.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<h4><strong><b>\uac00\uaca9\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uc544\ub798 \uc591\uc2dd\uc5d0 \uc5f0\ub77d\ucc98 \uc815\ubcf4\ub97c \uc785\ub825\ud574 \uc8fc\uc2dc\uba74 \ubcf4\ud1b5 24\uc2dc\uac04 \uc774\ub0b4\uc5d0 \uc5f0\ub77d\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4. \uc774\uba54\uc77c\uc744 \ubcf4\ub0b4\uc154\ub3c4 \ub429\ub2c8\ub2e4. <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #00ccff;\">info@longchangchemical.com<\/span><\/a>\u00a0\uadfc\ubb34 \uc2dc\uac04(\uc624\uc804 8\uc2dc 30\ubd84~\uc624\ud6c4 6\uc2dc, \uc6d4~\ud1a0\uc694\uc77c)\uc5d0 \ubb38\uc758\ud558\uac70\ub098 \uc6f9\uc0ac\uc774\ud2b8 \ub77c\uc774\ube0c \ucc44\ud305\uc744 \uc774\uc6a9\ud558\uba74 \uc2e0\uc18d\ud558\uac8c \ub2f5\ubcc0\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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\/ko\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0 \uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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\/ko\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c CQ \/ \uce84\ud3ec\ud034\ub17c<\/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\/ko\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c BP \/ \ubca4\uc870\ud398\ub17c<\/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\/ko\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0\uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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\/ko\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0\uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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\/ko\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0\uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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\/ko\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0\uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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\/ko\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0\uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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\/ko\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-160\/\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">\uad11\uac1c\uc2dc\uc81c 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\/ko\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">\ud3ec\ud1a0\uc774\ub2c8\uc2dc\uc5d0\uc774\ud130 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>Since letterpress printing is not as good as offset printing and flexographic printing, and the printing speed is not as good as offset printing and flexographic printing, it is being<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-7876","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UV Letterpress Inks and Reference Formulas - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Since letterpress printing is not as good as offset printing and flexographic printing, and the printing speed is not as good as offset printing and fle...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/ko\/uv-letterpress-inks-and-reference-formulas\/\" \/>\n<meta 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