{"id":10139,"date":"2026-06-17T00:00:05","date_gmt":"2026-06-17T00:00:05","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10139"},"modified":"2026-06-17T02:06:30","modified_gmt":"2026-06-17T02:06:30","slug":"printing-plate-photoinitiator","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/printing-plate-photoinitiator\/","title":{"rendered":"Photoinitiator for Printing Plates: How to Choose for Imaging Speed, Relief Depth, and Plate Stability"},"content":{"rendered":"<p><strong>\ube60\ub978 \ub2f5\ubcc0:<\/strong> \uad6c\ub9e4 \ud76c\ub9dd\uc790 <strong>photoinitiator for printing plates<\/strong> \ubcf4\ud1b5 \ubd84\ub9ac\ud558\uba74 \uac00\uc7a5 \uba85\ud655\ud55c \ucd5c\uc885 \uba85\ub2e8\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>plate-forming depth<\/strong>, <strong>imaging method<\/strong>, \uadf8\ub9ac\uace0 <strong>\uc0c9\uc18c \ubd80\ub2f4<\/strong> \uccab\uc9f8. <a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-369-cas-119313-12-1\/\">\uad11\uac1c\uc2dc\uc81c 369<\/a> \uc6cc\ud06c\ud50c\ub85c\uac00 \uc5ec\uc804\ud788 \ud2b9\uc815 \ubd80\ubd84\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\uc744 \ub54c \uc870\uae30\uc5d0 \uad00\uc2ec\uc744 \uae30\uc6b8\uc77c \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. <strong>\uc8fc\ub958 UV \uc81c\ud310, \uc778\uc1c4\ud310 \uc81c\uc870 \ubc0f \uc5b4\ub461\uac70\ub098 \uae4a\uc740 \uad11\uc911\ud569\uccb4 \ubd80\ubd84\uc5d0\uc11c \ub354 \uac15\ub825\ud55c \uacbd\ud654<\/strong>. <a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-784-cas-125051-32-3\/\">\uad11\uac1c\uc2dc\uc81c 784<\/a> \ud504\ub85c\uc138\uc2a4\uac00 \uac00\uae4c\uc6cc\uc9c8\uc218\ub85d \uc704\ub85c \uc62c\ub77c\uac11\ub2c8\ub2e4. <strong>\ub808\uc774\uc800 \uc9c1\uc811 \uc774\ubbf8\uc9d5, \uac00\uc2dc\uad11\uc120 \ubc18\uc751 \ub610\ub294 \uace0\uae09 \uac10\uad11\uce35 \uc791\uc5c5<\/strong>. <a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-1206\/\">\uad11\uac1c\uc2dc\uc81c 1206<\/a> \uc774\ub294 \uc2a4\ud06c\ub9ac\ub2dd \ubb38\uc81c\uac00 \ud50c\ub808\uc774\ud2b8 \uae4a\uc774 \uc804\uccb4\uc5d0 \uad00\ud55c \uac83\uc774 \uc544\ub2c8\ub77c \ub2e4\ub978 \ubd80\ubd84\uc5d0 \uad00\ud55c \uac83\uc77c \ub54c \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4. <strong>\uc587\uc740 \uac80\uc815\uc0c9 \ub610\ub294 \uc720\uc0c9 \uc774\ubbf8\uc9d5 \uce35, 365nm \ubd80\uadfc\uc758 \ub192\uc740 \uac10\ub3c4, \uadf8\ub9ac\uace0 \ub9e4\uc6b0 \uc587\uc740 \ud544\ub984 \uc815\ubc00\ub3c4<\/strong>.<\/p>\n<p>That is the commercially useful split. Plate buyers lose time when they treat all imaging and plate-building problems as the same chemistry decision.<\/p>\n<h2>Why printing-plate selection is different from a general UV ink decision<\/h2>\n<p>Printing plates are not judged only by whether they cure. Buyers usually care about whether the exposure package supports a stable plate-building workflow and a plate that behaves predictably on press. External platemaking references repeatedly describe the same pressure points: UV exposure has to build a usable relief structure, digital or laser imaging has to hold detail cleanly, and the plate has to survive real print conditions instead of only looking acceptable in a lab step.<\/p>\n<p>That changes the photoinitiator conversation. In plate work, the shortlist often comes down to questions like these:<\/p>\n<ul>\n<li><strong>Is the process built around conventional UV exposure or a visible-light \/ laser imaging route?<\/strong><\/li>\n<li><strong>Is the challenge deeper plate-forming cure or only a thin imaging layer?<\/strong><\/li>\n<li><strong>Is the imaging layer dark, pigmented, or otherwise harder for light to penetrate?<\/strong><\/li>\n<li><strong>Does the buyer need a route that fits flexo-style photopolymer plate manufacturing, or a more advanced imaging material workflow?<\/strong><\/li>\n<\/ul>\n<p>If you need the broader packaging-printing branch first, see Longchang&#8217;s <a href=\"https:\/\/longchangchemical.com\/ko\/uv-flexo-ink-photoinitiator\/\">UV flexo ink guide<\/a> \ubc0f <a href=\"https:\/\/longchangchemical.com\/ko\/uv-offset-ink-photoinitiator\/\">UV offset ink guide<\/a>.<\/p>\n<h2>Quick shortlist: 369 vs 784 vs 1206 for printing plates<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uc81c\ud488<\/th>\n<th>\ucd5c\uc801 \uccab \ubc88\uc9f8 \uc801\ud569<\/th>\n<th>\uad6c\ub9e4\uc790\ub4e4\uc774 \uc65c \uadf8\uac83\uc744 \ud6c4\ubcf4\uc5d0 \uc62c\ub9ac\ub294\uac00<\/th>\n<th>\uccab \ubc88\uc9f8 \uc635\uc158\uc774 \uc544\ub2d0 \ub54c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-369-cas-119313-12-1\/\">\uad11\uac1c\uc2dc\uc81c 369<\/a><\/td>\n<td>Printing plate manufacturing, photopolymers for imaging applications, and darker or somewhat deeper UV plate systems<\/td>\n<td>\ub871\ucc3d\uc740 \uc778\uc1c4\ud310 \uc81c\uc870, \uc554\uc0c9 \uc2dc\uc2a4\ud15c, \uc774\ubbf8\uc9d5 \uc751\uc6a9 \ubd84\uc57c\uc6a9 \uad11\uc911\ud569\uccb4, \uadf8\ub9ac\uace0 350~380nm \ub300\uc5ed\uc5d0\uc11c \uac15\ub825\ud55c \ubc18\uc751\uc744 \ubcf4\uc774\ub294 \ubd84\uc57c\uc5d0 369\ub97c \uc9c1\uc811\uc801\uc73c\ub85c \uc801\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<td>\uc8fc\ub85c \uac00\uc2dc\uad11\uc120\uc774\ub098 \ub808\uc774\uc800\ub97c \uc774\uc6a9\ud558\ub294 \uacf5\uc815\uc774\uac70\ub098, \ud310-\ubc14\ub514 \uacbd\ud654\ubcf4\ub2e4\ub294 \ub9e4\uc6b0 \uc587\uc740 \uac80\uc815\uc0c9 \uc774\ubbf8\uc9d5 \uce35\uc744 \ud615\uc131\ud558\ub294 \uac83\uc774 \uc8fc\uc694 \uacfc\uc81c\uc778 \uacbd\uc6b0<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-784-cas-125051-32-3\/\">\uad11\uac1c\uc2dc\uc81c 784<\/a><\/td>\n<td>Laser-imaging, visible-light-responsive, or advanced precision-imaging plate workflows<\/td>\n<td>\ub871\ucc3d\uc740 784 \uae30\uc220\uc744 \uac00\uc2dc\uad11\uc120 \uacbd\ud654, \ub808\uc774\uc800 \uc9c1\uc811 \uc774\ubbf8\uc9d5, \uac10\uad11\uce35 \ubc0f 3\ucc28\uc6d0 \ub9ac\uc18c\uadf8\ub798\ud53c\uc640 \uc9c1\uc811\uc801\uc73c\ub85c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/td>\n<td>\ud50c\ub808\uc774\ud2b8 \ub77c\uc778\uc774 \uc5ec\uc804\ud788 \ub2e8\uc21c\ud55c \uae30\uc874 UV \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc774\uace0 \uac00\uc2dc\uad11\uc120\uc774\ub098 \ub808\uc774\uc800 \uae30\ubc18 \uc120\ud0dd \ub85c\uc9c1\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-1206\/\">\uad11\uac1c\uc2dc\uc81c 1206<\/a><\/td>\n<td>\uc587\uc740 \uc0c9\uc18c \uc774\ubbf8\uc9d5 \uce35, \ube14\ub799 \uc2dc\uc2a4\ud15c \ubc0f 365nm \uace0\uac10\ub3c4 \ubc15\ub9c9 \uc5f0\uad6c<\/td>\n<td>Longchang\uc740 365nm\uc758 \ub192\uc740 \uac10\ub3c4, \ud751\uc0c9 \uc548\ub8cc \uc2dc\uc2a4\ud15c, 1~30\u03bcm\uc758 \ucd08\ubc15\ub9c9, \uac10\uad11\uc131 \ub610\ub294 \uc804\uc790 \uc7ac\ub8cc \uc789\ud06c\uc5d0 \uc801\ud569\ud55c 1206\ubc88 \uc704\uce58\ub97c \uc120\uc815\ud588\uc2b5\ub2c8\ub2e4.<\/td>\n<td>\uad6c\ub9e4\uc790\uc758 \ubb38\uc81c\uac00 \uc8fc\ub85c \uc587\uc740 \uc774\ubbf8\uc9d5 \uce35\ubcf4\ub2e4\ub294 \uc8fc \uad11\uc911\ud569\uccb4 \ubcf8\uccb4\uc758 \ub9b4\ub9ac\ud504 \ud615\uc131\uc774\ub098 \ub354 \uae4a\uc740 \ud50c\ub808\uc774\ud2b8 \uacbd\ud654\uc5d0 \uad00\ub828\ub41c \uacbd\uc6b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>369\uac00 \ub354 \ub098\uc740 \uc120\ud0dd\uc77c \ub54c<\/h2>\n<p>369 should be one of the first products reviewed when the buyer is still close to mainstream UV platemaking logic and needs a product that already has direct company-supported relevance to printing plate manufacturing.<\/p>\n<ul>\n<li><strong>\uc778\uc1c4\ud310 \uc81c\uc870\ub294 \ud68c\uc0ac \ud398\uc774\uc9c0\uc5d0 \uba85\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/strong> \ub871\ucc3d\uc740 \uc778\uc1c4\ud310 \uc81c\uc870\ub97c 369\uac00\uc9c0 \uc751\uc6a9 \uc2dc\ub098\ub9ac\uc624 \uc911 \ud558\ub098\ub85c \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc774\ubbf8\uc9d5\uacfc \uad11\uc911\ud569\uccb4\uc758 \uad00\ub828\uc131 \ub610\ud55c \uba85\ud655\ud558\uac8c \ub4dc\ub7ec\ub0a9\ub2c8\ub2e4.<\/strong> \uac19\uc740 \ud398\uc774\uc9c0\uc5d0\ub294 \uc601\uc0c1 \ucd2c\uc601\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uad11\uc911\ud569\uccb4\uc758 \uad8c\uc7a5 \ud22c\uc5ec\ub7c9 \ubc94\uc704\uac00 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc7a5\ud30c\uc7a5 \ubc18\uc751\uc740 \uc5b4\ub450\uc6b4 \uc2dc\uc2a4\ud15c\uc5d0 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/strong> Longchang\uc740 369\ub77c\ub294 \ubb3c\uc9c8\uc774 350~380nm \ub300\uc5ed\uc5d0\uc11c \uac15\ub825\ud55c \ud3ec\ucc29 \ub2a5\ub825\uc744 \ubcf4\uc774\uba70 \uc5b4\ub461\uac70\ub098 \ubd88\ud22c\uba85\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc720\uc6a9\ud558\ub2e4\ub294 \uc810\uc744 \ubc18\ubcf5\uc801\uc73c\ub85c \uac15\uc870\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubcf4\ub2e4 \uc2ec\uce35\uc801\uc778 \uce58\ub8cc \ub17c\ub9ac\ub294 \uc0c1\uc5c5\uc801\uc73c\ub85c \uc911\uc694\ud569\ub2c8\ub2e4.<\/strong> when the buyer is screening for more than a top-surface image and needs stronger penetration into a more difficult UV-curable structure, 369 is often a cleaner first sample than a thin-film specialist.<\/li>\n<\/ul>\n<p>If the workflow is tied to flexographic plate-making, darker imaging materials, or broader photopolymer plate cure instead of only a top imaging skin, 369 is usually the most defensible starting point in this shortlist.<\/p>\n<h2>784\uac00 \ub354 \ub098\uc740 \uc120\ud0dd\uc77c \ub54c<\/h2>\n<p>784 moves up when the conversation shifts from conventional plate exposure toward more advanced imaging behavior.<\/p>\n<ul>\n<li><strong>\uac00\uc2dc\uad11\uc120 \ubc0f \ub808\uc774\uc800 \ud53c\ud305\uc740 \ud68c\uc0ac\uc5d0\uc11c \uc9c1\uc811 \ubcf4\uc99d\ud558\ub294 \uc0ac\uc2e4\uc785\ub2c8\ub2e4.<\/strong> Longchang\uc740 \uc790\uc678\uc120 \ubc0f \uac00\uc2dc\uad11\uc120 \uacbd\ud654\ub97c \uc704\ud574 784 \uc704\uce58\ub97c \uc9c0\uc815\ud558\uace0 \ub808\uc774\uc800 \uc9c1\uc811 \uc774\ubbf8\uc9d5\uc744 \uba85\uc2dc\uc801\uc73c\ub85c \uc5b8\uae09\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uac10\uad11\uce35\uc758 \uad00\ub828\uc131\uc740 \uc911\uc694\ud569\ub2c8\ub2e4:<\/strong> \ud604\uc7ac \uc81c\ud488 \ud398\uc774\uc9c0\ub294 784\ub97c \uac10\uad11\uce35, \ud640\ub85c\uadf8\ub798\ud53d \uc0ac\uc9c4 \ubc0f 3\ucc28\uc6d0 \ub9ac\uc18c\uadf8\ub798\ud53c\uc640 \uc5f0\uad00\uc2dc\ucf1c \ud50c\ub808\uc774\ud2b8 \ud504\ub85c\uadf8\ub7a8\uc774 \uc815\ubc00 \uc774\ubbf8\uc9d5 \uc6cc\ud06c\ud50c\ub85c\uc758 \uc77c\ubd80\uc77c \ub54c \uc0c1\uc5c5\uc801\uc73c\ub85c \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5b4\ub461\uace0 \ubc00\ub3c4\uac00 \ub192\uc740 \uc2dc\uc2a4\ud15c\ub3c4 \uc5ec\uc804\ud788 \uc911\uc694\ud569\ub2c8\ub2e4.<\/strong> \ub871\ucc3d\uc740 \ub450\uaebc\uc6b4 \ucf54\ud305 \ubc0f \uc554\uacbd\ud654 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c 784 \uaddc\uaca9\ub3c4 \uc9c0\uc6d0\ud558\ub294\ub370, \uc774\ub294 \uad6c\ub9e4\uc790\uac00 \uace0\uae09 \uc774\ubbf8\uc9d5 \ud638\ud658\uc131\uacfc \ud568\uaed8 \ub354 \ub192\uc740 \uad11 \uc774\uc6a9 \ud6a8\uc728\uc744 \ud544\uc694\ub85c \ud560 \ub54c \uc720\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc778\uc1c4 \uad50\ucc28\uc810\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4:<\/strong> \uac19\uc740 \ud398\uc774\uc9c0\uc5d0 \uc2a4\ud06c\ub9b0 \uc778\uc1c4 \uc789\ud06c, \uc11d\ud310 \uc778\uc1c4 \uc789\ud06c, \ud50c\ub809\uc18c \uc778\uc1c4 \uc789\ud06c\uac00 \ubaa8\ub450 \ub098\uc5f4\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c 784\ub294 \uc774\ubbf8\uc9d5 \uc7ac\ub8cc \uac1c\ubc1c\uacfc \uc778\uc1c4 \uc0dd\uc0b0 \uacfc\uc815 \uc0ac\uc774\uc5d0 \uc704\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>If the plate project involves digital imaging, visible-light responsiveness, or precision-imaging materials rather than only conventional UV exposure, 784 deserves earlier review than a routine plate-only benchmark.<\/p>\n<p>\ud574\ub2f9 \ubd84\uc57c\ub97c \uc804\ubb38\uc801\uc73c\ub85c \uc5f0\uad6c\ud558\ub294 \ub3c5\uc790\ub294 \ub871\ucc3d\uc758 \uc790\ub8cc\ub97c \uacc4\uc18d\ud574\uc11c \ucc38\uace0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/longchangchemical.com\/ko\/laser-direct-imaging-photoinitiator\/\">\ub808\uc774\uc800 \uc9c1\uc811 \uc774\ubbf8\uc9d5 \uad11\uac1c\uc2dc\uc81c \uac00\uc774\ub4dc<\/a>.<\/p>\n<h2>1206\uc774 \ucd5c\uc885 \ud6c4\ubcf4\uc5d0 \uc624\ub974\uba74<\/h2>\n<p>1206 is not the first answer for every plate-body cure problem, but it becomes commercially relevant when the buyer&#8217;s bottleneck sits in a thin pigmented imaging layer rather than in the full plate build.<\/p>\n<ul>\n<li><strong>\ub192\uc740 365nm \uac10\ub3c4:<\/strong> \ub871\ucc3d\uc740 365nm\uc5d0\uc11c \ub9e4\uc6b0 \ubbfc\uac10\ud55c 1206\uc744 \uc9c1\uc811 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud751\uc0c9 \uc548\ub8cc \ud5c8\uc6a9\uce58\ub294 \uba85\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/strong> \ud604\uc7ac \ud398\uc774\uc9c0\uc5d0\ub294 1206\uc774 \ucd5c\ub300 35wt% \uce74\ubcf8 \ube14\ub799 \uc548\ub8cc\ub97c \uacac\ub51c \uc218 \uc788\uc73c\uba70 \uac80\uc815\uc0c9 \uc548\ub8cc \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud558\ub2e4\uace0 \uba85\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ucd08\ubc15\ub9c9\uc758 \ud2b9\uc131\uc740 \uc911\uc694\ud569\ub2c8\ub2e4:<\/strong> \ub871\ucc3d\uc740 1206 \ud544\ub984 \uc2dc\uc2a4\ud15c\uc744 1~30\u03bcm \ud544\ub984 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\uc6a9\ud558\ub294\ub370, \uc774\ub294 \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4\uac00 \ub9e4\uc6b0 \uc587\uace0 \uc815\ubc00\ub3c4\uc5d0 \ubbfc\uac10\ud55c \uacbd\uc6b0\uc5d0 \uc720\uc6a9\ud55c \uc2a4\ud06c\ub9b0\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uac10\uad11\uc131 \uc789\ud06c\uc640\uc758 \uc9c1\uc811\uc801\uc778 \uad50\ucc28\uc810:<\/strong> \ud68c\uc0ac \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 1206\uc744 \uac10\uad11\uc131 \uc789\ud06c \ubc0f \uc804\uc790 \uc7ac\ub8cc \uc789\ud06c\uc640 \uba85\uc2dc\uc801\uc73c\ub85c \uc5f0\uacb0\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 \ud50c\ub808\uc774\ud2b8 \uad00\ub828 \uc81c\ud615\uc774 \ubc8c\ud06c \ub9b4\ub9ac\ud504 \ud615\uc131\uccb4\ubcf4\ub2e4\ub294 \uace0\uac10\ub3c4 \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4\ucc98\ub7fc \uc791\ub3d9\ud560 \ub54c \uc2e4\uc6a9\uc801\uc778 \uc635\uc158\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>In other words, 1206 should be screened when the plate workflow includes a thin, dark, or precision-sensitive imaging layer and the buyer needs stronger sensitivity at a 365 nm-style exposure window.<\/p>\n<p>\uc778\uc811 \uc9c0\uc810\uc5d0 \ub300\ud574\uc11c\ub294 \ub871\ucc3d \uc9c0\uc810\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/longchangchemical.com\/ko\/photosensitive-ink-photoinitiator\/\">\uac10\uad11\uc131 \uc789\ud06c \uac00\uc774\ub4dc<\/a>.<\/p>\n<h2>\uad6c\ub9e4\uc790\uac00 \uc0d8\ud50c\uc744 \uc694\uccad\ud558\uae30 \uc804\uc5d0 \uc120\ud0dd\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n<h3>1. \ud575\uc2ec \uc791\uc5c5\uc774 \ud50c\ub808\uc774\ud2b8 \ubcf8\uccb4 \uacbd\ud654\uc778\uc9c0 \uc544\ub2c8\uba74 \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4 \uacbd\ud654\uc778\uc9c0 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/h3>\n<p>A relief-forming photopolymer plate body and a thin top imaging layer do not create the same shortlist.<\/p>\n<h3>2. \uc2e4\uc81c \uacbd\ud5d8 \uacbd\ub85c\ubd80\ud130 \uc2dc\uc791\ud558\uc138\uc694<\/h3>\n<p>\uae30\uc874\uc758 \uc790\uc678\uc120 \ub178\ucd9c, \uac00\uc2dc\uad11\uc120 \uc774\ubbf8\uc9d5 \ubc0f \ub808\uc774\uc800 \uc9c1\uc811 \uc774\ubbf8\uc9d5\uc744 \ud558\ub098\uc758 \uae30\ubcf8 \uacb0\uc815 \ud2b8\ub9ac\ub85c \uac15\uc81c\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n<h3>3. Keep pigment burden visible<\/h3>\n<p>\uc5b4\ub461\uac70\ub098 \uac80\uc740\uc0c9 \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4\ub294 \uc0ac\uc18c\ud55c \ubb38\uc81c\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc774\ub294 \uc5b4\ub5a4 \uc81c\ud488\uc774 1\ucc28 \uac80\uc0ac\ub97c \ud1b5\uacfc\ud574\uc57c \ud558\ub294\uc9c0\ub97c \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>4. Separate detail holding from deeper cure pressure<\/h3>\n<p>Some plate workflows fail because the imaging layer does not resolve cleanly. Others fail because the cure does not build consistently through the working structure. Those are different problems.<\/p>\n<h3>5. Keep downstream printing reality in scope<\/h3>\n<p>Plate chemistry should still support the final flexo, offset, or specialty-printing workflow instead of optimizing only the exposure step in isolation.<\/p>\n<h2>\ucd94\ucc9c \ub871\ucc3d \uc81c\ud488 \uacbd\ub85c<\/h2>\n<ul>\n<li><strong>Mainstream UV plate-making and deeper photopolymer route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-369-cas-119313-12-1\/\">\uad11\uac1c\uc2dc\uc81c 369<\/a><\/li>\n<li><strong>\ub808\uc774\uc800 \uc774\ubbf8\uc9d5 \ubc0f \uac00\uc2dc\uad11\uc120 \uacbd\ub85c:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-784-cas-125051-32-3\/\">\uad11\uac1c\uc2dc\uc81c 784<\/a><\/li>\n<li><strong>\uc587\uc740 \uac80\uc815\uc0c9 \ub610\ub294 \uc0c9\uc18c\uac00 \ud568\uc720\ub41c \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4 \ubc29\uc2dd:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/product\/photoinitiator-1206\/\">\uad11\uac1c\uc2dc\uc81c 1206<\/a><\/li>\n<li><strong>\uad00\ub828 \uc601\uc0c1 \uac00\uc774\ub4dc:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/laser-direct-imaging-photoinitiator\/\">\ub808\uc774\uc800 \uc9c1\uc811 \uc774\ubbf8\uc9d5\uc6a9 \uad11\uac1c\uc2dc\uc81c<\/a><\/li>\n<li><strong>Related packaging-printing guide:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/uv-flexo-ink-photoinitiator\/\">UV \ud50c\ub809\uc18c \uc789\ud06c\uc6a9 \uad11\uac1c\uc2dc\uc81c<\/a><\/li>\n<li><strong>\ub354 \ub113\uc740 \uc120\ud0dd \uac00\uc774\ub4dc:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/photoinitiator-selection-guide\/\">UV \uacbd\ud654\ub97c \uc704\ud55c \uad11\uac1c\uc2dc\uc81c \uc120\ud0dd \ubc29\ubc95<\/a><\/li>\n<\/ul>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>Which photoinitiator is the better first screen for printing plates?<\/h3>\n<p>For conventional UV plate-making and printing plate manufacturing, 369 is usually the cleanest first screen in this shortlist because Longchang directly supports that application. If the project is more imaging-technology driven, 784 or 1206 may deserve earlier review depending on the actual workflow.<\/p>\n<h3>369\uc5d0\uc11c 784\ub85c \uc5b8\uc81c \uc774\uc0ac\ud574\uc57c \ud560\uae4c\uc694?<\/h3>\n<p>\uc6cc\ud06c\ud50c\ub85c\uac00 \uac00\uc2dc\uad11\uc120 \ub610\ub294 \ub808\uc774\uc800 \uc774\ubbf8\uc9d5\uc5d0 \uc758\uc874\ud558\uac70\ub098, \ud50c\ub808\uc774\ud2b8 \ud604\uc0c1 \ud504\ub85c\uadf8\ub7a8\uc774 \uae30\uc874\uc758 UV \ub178\ucd9c\ubfd0 \uc544\ub2c8\ub77c \uc815\ubc00\ud55c \uac10\uad11\uce35 \uac70\ub3d9\uacfc \uc5f0\uad00\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0 784 \ubc84\uc804\uc73c\ub85c \uc804\ud658\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>When should I review 1206 for a plate project?<\/h3>\n<p>\ub9ac\ubdf0 1206\uc740 \uc587\uc740 \uac80\uc815\uc0c9 \ub610\ub294 \uc548\ub8cc \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4\uc5d0\uc11c \ub192\uc740 365nm \uac10\ub3c4\uac00 \ub354 \uae4a\uc740 \ud50c\ub808\uc774\ud2b8-\ubc14\ub514 \uacbd\ud654\ubcf4\ub2e4 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0 \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4. \ubc14\ub85c \uc774\ub7ec\ud55c \uc0c1\ud669\uc5d0\uc11c \ud604\uc7ac \ud68c\uc0ac\uc5d0\uc11c \uc9c0\uc6d0\ud558\ub294 \ud574\ub2f9 \uc81c\ud488\uc758 \ud3ec\uc9c0\uc154\ub2dd\uc774 \ub354\uc6b1 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<h3>Can one photoinitiator cover every plate workflow?<\/h3>\n<p>Usually no. Printing plate selection depends on whether the buyer is solving for relief build, visible-light imaging, laser compatibility, black-pigment screening, or a combination of those issues.<\/p>\n<h2>Need a tighter shortlist for your plate program?<\/h2>\n<p>\ud50c\ub808\uc774\ud2b8 \uc6cc\ud06c\ud50c\ub85c\uc6b0\uac00 \uae30\uc874 UV \ub178\uad11, \ub808\uc774\uc800 \ud638\ud658 \uc774\ubbf8\uc9d5 \ubc0f \uc554\ud751 \uc774\ubbf8\uc9d5 \ub808\uc774\uc5b4 \uc81c\uc57d \uc870\uac74 \uc0ac\uc774\uc5d0\uc11c \uc815\uccb4\ub418\uc5b4 \uc788\ub2e4\uba74, \uba3c\uc800 \uc2e4\uc81c \ubcd1\ubaa9 \ud604\uc0c1\uc744 \ud30c\uc545\ud55c \ub2e4\uc74c \uac00\uc7a5 \uad00\ub828\uc131\uc774 \ub192\uc740 \ub871\ucc3d \uc81c\ud488 \uacbd\ub85c\ub9cc \ube44\uad50\ud558\uc2ed\uc2dc\uc624. \uc774\ub807\uac8c \ud558\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \uad00\ub828 \uc5c6\ub294 \uad11\uac1c\uc2dc\uc81c\ub97c \ub098\ub780\ud788 \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83\ubcf4\ub2e4 \ub354 \ube60\ub974\uace0 \uc720\uc6a9\ud55c \uc0d8\ud50c \uacb0\uc815\uc744 \ub0b4\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical B2B guide to choosing a photoinitiator for printing plates by comparing 369, 784, and 1206 for UV exposure route, laser-imaging fit, pigmented imaging layers, and plate-forming reliability.<\/p>","protected":false},"author":6,"featured_media":10140,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Photoinitiator for Printing Plates: How to Choose 369, 784, and 1206<\/title>\n<meta name=\"description\" content=\"Compare Photoinitiator 369, 784, and 1206 for 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