{"id":775,"date":"2025-08-08T12:17:40","date_gmt":"2025-08-08T04:17:40","guid":{"rendered":"https:\/\/zjhaotianwelding.com\/?p=775"},"modified":"2025-08-29T11:10:23","modified_gmt":"2025-08-29T03:10:23","slug":"ppr-hot-melt-history","status":"publish","type":"post","link":"https:\/\/zjhaotianwelding.com\/ko\/ppr-hot-melt-history\/","title":{"rendered":"PPR \uc735\ud569 \uc6a9\uc811 \uae30\uacc4\uc758 \uad6d\uc81c \uac1c\ubc1c"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud50c\ub77c\uc2a4\ud2f1 \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc758 \ud575\uc2ec \ub3c4\uad6c\uc778 PPR(\ub79c\ub364 \ucf54\ud3f4\ub9ac\uba38 \ud3f4\ub9ac\ud504\ub85c\ud544\ub80c) \uc6a9\uc735 \uc6a9\uc811\uae30\ub294 1970\ub144\ub300\uc5d0 \ub4f1\uc7a5\ud55c \uc774\ud6c4 \uc804 \uc138\uacc4 \ud30c\uc774\ud504\ub77c\uc778 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc758 \uc8fc\ub958 \uc7a5\ube44\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4. \uc7ac\ub8cc \uacfc\ud559, \uc790\ub3d9 \uc81c\uc5b4 \ubc0f \ud658\uacbd \uac1c\ub150\uc758 \ud68d\uae30\uc801\uc778 \ubc1c\uc804\uc744 \ud1b5\ud569\ud55c \uc774 \uc7a5\ube44\ub294 \uc804 \uc138\uacc4 \ud30c\uc774\ud504\ub77c\uc778 \uc5f0\uacb0 \uc0b0\uc5c5\uc744 \ud06c\uac8c \uc7ac\ud3b8\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1. \uae30\uc220\uc801 \uae30\uc6d0\uacfc \uad6d\uc81c \uc2dc\uc7a5 \uae30\ubc18<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\ub3c5\uc77c \uc544\ucfe0\uc544\uc378\uc758 \ud601\uc2e0 \ub9ac\ub354\uc2ed<\/strong>\n<ul class=\"wp-block-list\">\n<li>1973\ub144 \ub3c5\uc77c \ud68c\uc0ac\uc778 \uc544\ucfe0\uc544\uc378\uc740 \uc138\uacc4 \ucd5c\ucd08\uc758 PP-R \ubc30\uad00 \uc2dc\uc2a4\ud15c\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. 1978\ub144\uc5d0\ub294 \"\uae08\uc18d \ud30c\uc774\ud504\ub97c \ud50c\ub77c\uc2a4\ud2f1\uc73c\ub85c \ub300\uccb4\"\ud558\ub294 \ud601\uba85\uc744 \uc77c\uc73c\ud0a8 \ud2b9\ud5c8\ubc1b\uc740 \ud4e8\uc804 \uc18c\uc7ac Fusiolen\u00ae\uc744 \ucd9c\uc2dc\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 100\u00b0C\uc758 \uace0\uc628\uc744 \uacac\ub514\uace0 \ubd80\uc2dd\uc5d0 \uac15\ud558\uba70 50\ub144 \uc774\uc0c1 \uc9c0\uc18d\ub418\uace0 \uc735\ud569 \uacfc\uc815\uc5d0\uc11c \uc790\uadf9\uc131 \uac00\uc2a4\ub97c \ubc29\ucd9c\ud558\uc9c0 \uc54a\uc544 \uc2dd\uc218 \ud30c\uc774\ud504\uc758 \uad6d\uc81c \ud45c\uc900\uc73c\ub85c \ube60\ub974\uac8c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>21\uc138\uae30 \ucd08\uae4c\uc9c0 \uc544\ucfe0\uc544\uc378 \uc81c\ud488\uc740 80\uc5ec \uac1c\uad6d\uc5d0 \uc9c4\ucd9c\ud558\uc5ec \uc720\ub7fd\uacfc \ubd81\ubbf8\uc5d0\uc11c 70% \uc774\uc0c1\uc758 \uc2dc\uc7a5 \uc810\uc720\uc728\uc744 \uae30\ub85d\ud588\uc2b5\ub2c8\ub2e4. ISO 9001 \ubc0f 100\uac1c \uc774\uc0c1\uc758 \uad6d\uc81c \ud45c\uc900 \uc778\uc99d\uc744 \ud68d\ub4dd\ud558\uc5ec \uae00\ub85c\ubc8c \uae30\uc220 \uad8c\uc704\ub97c \ud655\ub9bd\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\uc5f0\uacb0 \ud504\ub85c\uc138\uc2a4\uc758 \uad6d\uc81c\uc801 \uc9c4\ud654<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\ub9e4\uac1c\ubcc0\uc218 \ud45c\uc900\ud654<\/strong>: \ub3c5\uc77c \uc6a9\uc811 \ud611\ud68c(DVS)\uc5d0\uc11c \ubc1c\ud45c\ud55c \uc6a9\uc735 \uc808\ucc28\uac00 \uc8fc\uc694 \uad6d\uc81c \uae30\uc900\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ud6c4 \uac90\ud2b8 \ub300\ud559\uad50(\ubca8\uae30\uc5d0)\uc5d0\uc11c \ucd5c\uc801\ud654: \uc628\ub3c4\ub97c 215\u00b0C\uc5d0\uc11c 225\u00b0C\ub85c \ub192\uc774\uace0, \uac00\uc5f4 \uc555\ub825\uc744 50%\ub85c \ub0ae\ucd94\uc5b4 \ud6a8\uc728\uc744 \uac1c\uc120\ud558\uace0 \uc5d0\ub108\uc9c0 \uc18c\ube44\ub97c \uc904\uc600\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub300\uad6c\uacbd \ud601\uc2e0<\/strong>: \uc601\uad6d \uac00\uc2a4\ub294 \uc804\uc790\ub3d9 \ub9de\ub300\uae30 \uc735\ucc29 \uc7a5\ube44\ub97c \uac1c\ucc99\ud558\uc5ec 315mm \uc774\uc0c1 \ud30c\uc774\ud504\uc758 \ubcd1\ubaa9 \ud604\uc0c1\uc744 \ud574\uacb0\ud588\uc2b5\ub2c8\ub2e4. \ubbf8\uad6d\uacfc \ub3c5\uc77c\uc740 \"\ucd94\uc801 \uac00\ub2a5\ud55c \uc6a9\uc811 \ud488\uc9c8\"\uc744 \ub2ec\uc131\ud558\ub294 \ubc18\uc790\ub3d9\/\uc804\uc790\ub3d9 \ubaa8\ub378\ub85c \ub4a4\ub97c \uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. \uae30\uc220 \ubc1c\uc804: \uc790\ub3d9\ud654 \ubc0f \uc778\ud154\ub9ac\uc804\uc2a4<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>3\uc138\ub300 \uc77c\ub809\ud2b8\ub85c\ud4e8\uc804 \ud601\uc2e0<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\uc790\ub3d9 \uc2dd\ubcc4 \uc2dc\uc2a4\ud15c<\/strong>: \uc77c\ub809\ud2b8\ub85c\ud4e8\uc804 \ud53c\ud305\uc740 \ubc14\ucf54\ub4dc\/\uc790\uae30 \uce74\ub4dc\ub97c \ud1b5\ud569\ud558\uc5ec \uc6a9\uc811\uacf5\uc774 \uc790\ub3d9\uc73c\ub85c \ud30c\ub77c\ubbf8\ud130\ub97c \uc77d\uace0 \ud4e8\uc804\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\uc5b4 \uc778\uc801 \uc624\ub958\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uad6c\uc870 \ucd5c\uc801\ud654<\/strong>: \ub113\uc740 \uc735\ud569 \uc601\uc5ed\uacfc \ud655\uc7a5\ub41c \uc0bd\uc785 \uae4a\uc774(\uc608: \uac8c\uc624\ub974\uadf8 \ud53c\uc154 \ubaa8\ub4c8\uc2dd \ud53c\ud305)\ub97c \uac16\ucd98 \uc124\uacc4\ub85c \ubc00\ubd09 \ubc0f \ub0b4\uc9c4\uc131\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\uc735\ud569 \uc7a5\ube44\uc758 \uc790\ub3d9\ud654 \ud601\uc2e0<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uc804\uc790\ub3d9 \uc6a9\uc811\uae30\ub294 \ubbf8\uad6d \uac00\uc2a4 \uc5f0\uad6c\uc18c(GRI)\uc758 \"SmartHeat\" \ud56d\uc628 \uae30\uc220\uc744 \ud1b5\ud574 \uc870\ub9bd \ube44\uc6a9\uc744 30% \uc808\uac10\ud558\uba74\uc11c \uc815\ubc00\ud55c \uc81c\uc5b4\uac00 \uac00\ub2a5\ud55c \uc804\uc790\ub3d9 \uc6a9\uc811\uae30\uac00 \ub300\uc138\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc911\uad6d \uc81c\uc870\uc5c5\uccb4\uc758 \ud604\uc9c0\ud654<\/strong>: \uc0b0\ub3d9 \uc911\ud1b5 \uc77c\ub809\ud2b8\ub85c\ud4e8\uc804 \uacf5\uc7a5\uc740 \ub3c5\uc77c \uae30\uc220\uc744 \ub3c4\uc785\ud558\uc5ec DIN 8077\uc744 \uc900\uc218\ud558\ub294 ZTRJQ \uc2dc\ub9ac\uc988 \uc6a9\uc811\uae30\ub97c \uc0dd\uc0b0\ud558\uc5ec \u00b11\u00b0C \uc628\ub3c4 \uc81c\uc5b4\ub97c \ub2ec\uc131\ud558\uace0 \ubca0\ud2b8\ub0a8\uacfc \ub7ec\uc2dc\uc544\ub97c \ud3ec\ud568\ud55c 20\uac1c \uc774\uc0c1\uc758 \uad6d\uac00\uc5d0 \uc218\ucd9c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \uae00\ub85c\ubc8c \uacbd\uc7c1 \ud658\uacbd: \uc911\uad6d \uae30\uc5c5\uc758 \ubd80\uc0c1\uacfc \ub3c4\uc804 \uacfc\uc81c<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc911\uad6d \uc81c\uc870\uc5c5\uccb4\uc758 \uad6d\uc81c\uc801 \ub3c4\uc57d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uc0b0\ub3d9 \uc911\ud1b5\uacfc \uac19\uc740 \uae30\uc5c5\uc740 \ube44\uc6a9 \uc774\uc810(\uc720\ub7fd \ube0c\ub79c\ub4dc\ubcf4\ub2e4 40% \uc800\ub834)\uacfc \ub9de\ucda4\ud615 \ub514\uc790\uc778(\uc608: \ub178\ud654 \ubc29\uc9c0 \ub098\uc77c\ub860 \uc190\uc7a1\uc774, \ud569\uae08 \uc54c\ub8e8\ubbf8\ub284 \uae08\ud615)\uc744 \ud1b5\ud574 \ub3d9\ub0a8\uc544\uc2dc\uc544 \ubc0f \uc911\ub3d9 \uc2dc\uc7a5\uc744 \uc0ac\ub85c\uc7a1\uc558\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uae30\uc220 \ub0b4\ubcf4\ub0b4\uae30 \uc5c5\uadf8\ub808\uc774\ub4dc<\/strong>: \ud2b9\ud5c8\ub97c \ubc1b\uc740 \uc911\uad6d \uc735\ucc29\uae30(\uc608: CN201510197570)\ub294 \ubc00\ub9ac\ubbf8\ud130 \uc2a4\ucf00\uc77c, \ud0c0\uc774\uba38, \uc774\uc911 \ub098\uc0ac \ub3d9\uae30 \ucd94\uc9c4\uc744 \ud1b5\ud569\ud558\uc5ec \uc18c\uad6c\uacbd \uc6a9\uc811\uc758 \ub3d9\uc2ec\ub3c4 \ud3b8\ucc28\ub97c \ud574\uacb0\ud558\uace0 \uad6d\uc81c \ud2b9\ud5c8\ub97c \ud655\ubcf4\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\uc2dc\uc7a5 \uacfc\uc81c\uc640 \uc804\ub7b5\uc801 \ub300\uc751<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\ubcf5\ud569 \ud30c\uc774\ud504\uc640\uc758 \uacbd\uc7c1<\/strong>: \uc720\ub7fd\uc5d0\uc11c PPR \ud30c\uc774\ud504\ub294 \uc800\uc628 \uc800\ud56d\uc131(\ucde8\ud654\uc810 -20\u00b0C)\uc774 \ub0ae\uace0 \uade0\uc5f4 \uc804\ud30c\uac00 \ube68\ub77c \uac00\uc2a4 \ud30c\uc774\ud504\ub77c\uc778\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc544 \uc810\uc720\uc728 \ud558\ub77d\uc5d0 \uc9c1\uba74\ud588\uc2b5\ub2c8\ub2e4. \uae08\uc18d \ubcf5\ud569 \uce35\uc744 \uc0ac\uc6a9\ud558\ub294 \ub3c5\uc77c Kansen\uc758 LBP \uc555\uc785\uc2dd \uc2dc\uc2a4\ud15c\uc740 30%\uc758 \ub192\uc740 \ub0b4\uc555\uc131\uacfc 100\ub144\uc758 \uc218\uba85\uc744 \uc81c\uacf5\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub300\uc751 \ubc29\uc548<\/strong>\uc544\ucfe0\uc544\uc378\uc740 BIM \ubaa8\ub378\ub9c1\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud604\uc7a5 \uc124\uce58 \ube44\uc6a9\uc744 15% \uc808\uac10\ud558\ub294 \uae00\ub85c\ubc8c PPR R&amp;D \uc13c\ud130\ub97c \uc124\ub9bd\ud588\uc2b5\ub2c8\ub2e4. \uc911\uad6d \uae30\uc5c5\ub4e4\uc740 \uc720\ub7fd \ubc0f \ubbf8\uad6d \uc2dc\uc7a5 \uc9c4\ucd9c\uc744 \uc704\ud574 RoHS \ud45c\uc900\uc744 \ucda9\uc871\ud558\ub294 \ud560\ub85c\uac90 \ud504\ub9ac \ub09c\uc5f0 \uc18c\uc7ac\ub97c \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \ubbf8\ub798 \ud2b8\ub80c\ub4dc: \uce5c\ud658\uacbd \uc804\ud658\uacfc \ub514\uc9c0\ud138 \ud1b5\ud569<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud658\uacbd \ub3d9\uc778<\/strong>: EU \uaddc\uc815\uc740 \ud575\uc735\ud569 \uc7a5\ube44\uc5d0 \ub300\ud574 30% \uc5d0\ub108\uc9c0 \uc808\uac10\uc744 \uc758\ubb34\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub3c5\uc77c \uc2a4\ud2b8\ub9ac\ucf54\uc6e8\uc2a4\ud1a0\ud39c\uc758 \uc6a9\uad11\ub85c \uae30\uc220\uc740 \ud569\uae08 \ub77c\uc774\ub108\uc640 \uc5f4 \ud68c\uc218 \uc124\uacc4\ub97c \ud1b5\ud574 \uaddc\uc815\uc744 \uc900\uc218\ud558\uc5ec \uace0\ubc30\ucd9c \ubaa8\ub378\uc758 \ub2e8\uacc4\uc801 \ud1f4\ucd9c\uc744 \uac00\uc18d\ud654\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub514\uc9c0\ud138 \ud2b8\uc708 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\uc544\ucfe0\uc544\uc378\uc758 BIM \ud30c\uc774\ud504 \ud504\ub9ac\ud328\ube0c \uc2dc\uc2a4\ud15c\uc740 \uc124\uacc4\ubd80\ud130 \uc720\uc9c0\ubcf4\uc218\uae4c\uc9c0 \uc804\uccb4 \ud504\ub85c\uc138\uc2a4 \ucd94\uc801\uc774 \uac00\ub2a5\ud558\uc5ec \uc2dc\uacf5 \uc624\ub958\ub97c 20%\uae4c\uc9c0 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860 \uae30\uc220 \uc8fc\uad8c\uc774 \uc2dc\uc7a5 \uc601\ud5a5\ub825\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR \uc735\ud569 \uc6a9\uc811\uae30\uc758 \uc138\uacc4\ud654\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud638 \uc791\uc6a9\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.&nbsp;<strong>\uc18c\uc7ac \ud601\uc2e0<\/strong>,&nbsp;<strong>\uc790\ub3d9\ud654 \uc5c5\uadf8\ub808\uc774\ub4dc<\/strong>\ubc0f&nbsp;<strong>\ud45c\uc900\ud654 \uacbd\uc7c1<\/strong>. \uc911\uad6d \uae30\uc5c5\ub4e4\uc774 \ucd94\uc885\uc790\uc5d0\uc11c \ud45c\uc900 \uc124\uc815\uc790(\uc608: ISO 12176 \uac1c\uc815 \ucc38\uc5ec)\ub85c \uc9c4\ud654\ud568\uc5d0 \ub530\ub77c, \uc804 \uc138\uacc4\uc801\uc778 \ubcf5\ud569 \ud30c\uc774\ud504\uc758 \ub300\uccb4 \ubb3c\uacb0\uc744 \uacac\ub514\uae30 \uc704\ud574\uc11c\ub294 \uce5c\ud658\uacbd \uacf5\uc815(\ubb34\uc6a9\uc81c \uc735\ucc29)\uacfc \uc9c0\ub2a5\ud615 \uc81c\uc5b4(AI \ud30c\ub77c\ubbf8\ud130 \ucd5c\uc801\ud654)\uc758 \ud601\uc2e0\uc774 \uc911\uc694\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud45c: \ud4e8\uc804 \uc5f0\uacb0 \ub9e4\uac1c\ubcc0\uc218\uc758 \uad6d\uc81c\uc801 \uc9c4\ud654<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\uae30\uac04<\/strong><\/th><th>\uc628\ub3c4 \uc81c\uc5b4<\/th><th>\uc555\ub825 \uc870\uc815<\/th><th>\ud575\uc2ec \ud601\uc2e0<\/th><\/tr><\/thead><tbody><tr><td><strong>1980\ub144\ub300-1990\ub144\ub300<\/strong><\/td><td>215\u00b0C(DVS)<\/td><td>0.18 MPa<\/td><td>\ubc18\uc790\ub3d9 \uc6a9\uc811\uae30, \ubcbd \ub450\uaed8 \uc801\uc751\uc131<\/td><\/tr><tr><td><strong>2000\ub144\ub300-2010\ub144\ub300<\/strong><\/td><td>225\u00b0C(\uac90\ud2b8 \ub300\ud559\uad50)<\/td><td>50% \uac10\uc18c<\/td><td>\uc804\uc790\ub3d9 \uc6a9\uc811\uae30, SmartHeat<\/td><\/tr><tr><td><strong>2020\ub144\ub300-\ud604\uc7ac<\/strong><\/td><td>\u00b11\u00b0C \uc815\ubc00\ub3c4<\/td><td>\ub3d9\uc801 \uc870\uc815<\/td><td>\ub514\uc9c0\ud138 ID \uc2dc\uc2a4\ud15c, BIM \ud504\ub9ac\ud328\ube0c\ub9ac\ucf00\uc774\uc158<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud45c: \uc77c\ub809\ud2b8\ub85c\ud4e8\uc804 \ub300 \ubc84\ud2b8 \ud4e8\uc804 \uae30\uc220 \ube44\uad50<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\uae30\uc220<\/strong><\/th><th>\uc801\uc6a9 \uac00\ub2a5\ud55c \uc2dc\ub098\ub9ac\uc624<\/th><th>\uc7a5\uc810<\/th><th>\uc81c\ud55c \uc0ac\ud56d<\/th><\/tr><\/thead><tbody><tr><td><strong>\uc77c\ub809\ud2b8\ub85c\ud4e8\uc804<\/strong><\/td><td>\ubaa8\ub4e0 \ud30c\uc774\ud504 \ud06c\uae30, \uc774\uc9c8\uc801\uc778 \uc7ac\ub8cc<\/td><td>\uc790\ub3d9 \ub9e4\uac1c\ubcc0\uc218 ID, &lt;5% \uc778\uc801 \uc624\ub958<\/td><td>\uad6c\ub9ac\uc120\uc740 PPR \ub178\ud6c4\ud654\ub97c \uac00\uc18d\ud654\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td><strong>\ubc84\ud2b8 \ud4e8\uc804<\/strong><\/td><td>63mm \uc774\uc0c1\uc758 \ud30c\uc774\ud504, \uade0\uc9c8 \uc7ac\ub8cc<\/td><td>\uc870\uc778\ud2b8 \uac15\ub3c4 = \ud30c\uc774\ud504 \ubcf8\uccb4, 30% \ube44\uc6a9 \uc808\uac10<\/td><td>\uc628\ub3c4\uc5d0 \ubbfc\uac10\ud568(-5\u00b0C \ubcf4\ud638 \ud544\uc694)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<p>PPR (random copolymer polypropylene) fusion welding machines, as core tools for plastic piping systems, have become mainstream equipment in global pipeline engineering since their emergence in the 1970s. Integrating breakthroughs in materials science, automated control, and environmental concepts, their development has profoundly reshaped the global pipeline connection industry. 1. Technological Origins and International Market Foundation &#8230; <a title=\"PPR \uc735\ud569 \uc6a9\uc811 \uae30\uacc4\uc758 \uad6d\uc81c \uac1c\ubc1c\" class=\"read-more\" href=\"https:\/\/zjhaotianwelding.com\/ko\/ppr-hot-melt-history\/\" aria-label=\"International Development of PPR Fusion Welding Machines\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>","protected":false},"author":1,"featured_media":776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>International Development of PPR Fusion Welding Machines - HAOTIAN<\/title>\n<meta name=\"description\" content=\"International Development of PPR Fusion Welding Machines The development history of PPR hot melt machine\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zjhaotianwelding.com\/ko\/ppr-hot-melt-history\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"International Development of PPR Fusion Welding Machines - 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