{"id":10573,"date":"2025-10-27T13:24:46","date_gmt":"2025-10-27T12:24:46","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=10573"},"modified":"2025-10-28T12:45:32","modified_gmt":"2025-10-28T11:45:32","slug":"%eb%a3%a8%eb%b9%84-%eb%b3%bc","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/ko\/%ec%a0%9c%ed%92%88\/%eb%a3%a8%eb%b9%84-%eb%b0%8f-%ec%82%ac%ed%8c%8c%ec%9d%b4%ec%96%b4-%eb%b3%bc\/%eb%a3%a8%eb%b9%84-%eb%b3%bc\/","title":{"rendered":"\ub8e8\ube44 \ubcfc"},"content":{"rendered":"<h2 data-start=\"111\" data-end=\"168\">\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Corundum\">\ub8e8\ube44 \ubcfc \u2013 \uace0\uc131\ub2a5 \uc815\ubc00 \ubd80\ud488<\/a><\/h2>\n<p data-start=\"170\" data-end=\"645\">\ub8e8\ube44 \ubcfc\uc740 \ud569\uc131 \ub8e8\ube44(Al\u2082O\u2083:Cr)\ub85c \uc81c\uc791\ub41c \uc815\ubc00 \uad6c\ud615 \ubd80\ud488\uc73c\ub85c, \ud06c\ub86c\uc774 \ub3c4\ud551\ub41c \ucf54\ub7f0\ub364 \uacb0\uc815 \uad6c\uc870\uc785\ub2c8\ub2e4. \ub2e4\uc774\uc544\ubaac\ub4dc \ub2e4\uc74c\uc73c\ub85c \ub9e4\uc6b0 \ub192\uc740 \uacbd\ub3c4\uc640 \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uc744 \uac00\uc9c0\uba70, \ub0b4\uad6c\uc131, \uce58\uc218 \uc548\uc815\uc131, \uadf9\ud55c \ud658\uacbd \uc800\ud56d\uc131\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ud56d\uacf5\uc6b0\uc8fc, \ubc14\uc774\uc624\uba54\ub514\uceec \uacc4\uce21 \uc7a5\ube44, \uace0\uc9c4\uacf5 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubd84\uc57c\uc5d0\uc11c \uc774\uc0c1\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3 data-start=\"652\" data-end=\"687\">\ud83d\udd27 \uc8fc\uc694 \uae30\uc220 \uc0ac\uc591<\/h3>\n<ul>\n<li data-start=\"691\" data-end=\"757\"><strong data-start=\"691\" data-end=\"716\">\uacb0\uc815 \uad6c\uc870<\/strong>: \ub2a5\uba74 \uc721\ubc29 \ub2e8\uacb0\uc815<\/li>\n<li data-start=\"760\" data-end=\"804\"><strong data-start=\"760\" data-end=\"775\">\uc870\uc131<\/strong>: Al\u2082O\u2083:Cr (\ud569\uc131 \ub8e8\ube44)<\/li>\n<li data-start=\"807\" data-end=\"827\"><strong data-start=\"807\" data-end=\"817\">\uc21c\ub3c4<\/strong>: 99.99%<\/li>\n<li data-start=\"830\" data-end=\"856\"><strong data-start=\"830\" data-end=\"841\">\ubc00\ub3c4<\/strong>: \uc57d 3.99 g\/cm\u00b3<\/li>\n<li data-start=\"859\" data-end=\"881\"><strong data-start=\"859\" data-end=\"876\">\ubaa8\uc2a4 \uacbd\ub3c4<\/strong>: 9<\/li>\n<li data-start=\"884\" data-end=\"953\"><strong data-start=\"884\" data-end=\"902\">\ub204\ud504 \uacbd\ub3c4<\/strong>: \uc57d 2200 (C-\ucd95 \ubc29\ud5a5), \uc57d 1800 (C-\ucd95 \uc218\uc9c1 \ubc29\ud5a5)<\/li>\n<li data-start=\"956\" data-end=\"987\"><strong data-start=\"956\" data-end=\"975\">\uc601\ub960(Young\u2019s Modulus)<\/strong>: \uc57d 440 GPa<\/li>\n<li data-start=\"990\" data-end=\"1018\"><strong data-start=\"990\" data-end=\"1007\">\uc735\uc810<\/strong>: \uc57d 2050\u00b0C<\/li>\n<li data-start=\"1021\" data-end=\"1066\"><strong data-start=\"1021\" data-end=\"1045\">\uc5f4\uc804\ub3c4\uc728<\/strong>: \uc57d 40 W\/m\u00b7K (300K \uae30\uc900)<\/li>\n<li data-start=\"1069\" data-end=\"1171\"><strong data-start=\"1069\" data-end=\"1090\">\uc5f4\ud33d\ucc3d \uacc4\uc218<\/strong>: 6.2 \u00d7 10\u207b\u2076 \/\u00b0C (C-\ucd95 \ud3c9\ud589), 5.4 \u00d7 10\u207b\u2076 \/\u00b0C (C-\ucd95 \uc218\uc9c1)<\/li>\n<li data-start=\"1174\" data-end=\"1227\"><strong data-start=\"1174\" data-end=\"1200\">\uc804\uae30 \ube44\uc800\ud56d<\/strong>: &gt;10\u00b9\u00b2 \u03a9\u00b7cm (\uc808\uc5f0)<\/li>\n<li data-start=\"1230\" data-end=\"1313\"><strong data-start=\"1230\" data-end=\"1253\">\uc720\uc804\uc728<\/strong>: 10.6 (C-\ucd95 \ud3c9\ud589), 8.6 (C-\ucd95 \uc218\uc9c1)<\/li>\n<\/ul>\n<h3 data-start=\"1320\" data-end=\"1336\">\u2705 \uc7a5\uc810<\/h3>\n<ul>\n<li data-start=\"1340\" data-end=\"1436\"><strong data-start=\"1340\" data-end=\"1384\">\uc6b0\uc218\ud55c \uacbd\ub3c4 \ubc0f \ub0b4\ub9c8\ubaa8\uc131<\/strong>: \uace0\ub9c8\ucc30 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uae34 \uc218\uba85\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li data-start=\"1439\" data-end=\"1520\"><strong data-start=\"1439\" data-end=\"1465\">\uc6b0\uc218\ud55c \ub0b4\uc5f4 \uc548\uc815\uc131<\/strong>: \uc57d 2050\u00b0C \uc218\uc900\uc758 \uace0\uc628\uc5d0\uc11c\ub3c4 \ud6a8\uacfc\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n<li data-start=\"1523\" data-end=\"1585\"><strong data-start=\"1523\" data-end=\"1545\">\ub8e8\ube44 \ubcfc\uc758 \ud654\ud559\uc801 \ube44\ud65c\uc131<\/strong>: \ub300\ubd80\ubd84\uc758 \uc0b0\uacfc \uc54c\uce7c\ub9ac\uc5d0 \ub300\ud55c \ub0b4\ud654\ud559\uc131\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n<li data-start=\"1588\" data-end=\"1669\"><strong data-start=\"1588\" data-end=\"1613\">\uce58\uc218 \uc548\uc815\uc131<\/strong>: \uae30\uacc4\uc801 \ubc0f \uc5f4\uc801 \uc2a4\ud2b8\ub808\uc2a4 \ud558\uc5d0\uc11c\ub3c4 \ud615\uc0c1\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<li data-start=\"1672\" data-end=\"1759\"><strong data-start=\"1672\" data-end=\"1697\">\uc804\uae30 \uc808\uc5f0 \ud2b9\uc131<\/strong>: \ube44\ub3c4\uc804\uc131\uc774 \uc694\uad6c\ub418\ub294 \ubd84\uc57c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li data-start=\"1762\" data-end=\"1840\"><strong data-start=\"1762\" data-end=\"1781\">\uad11\ud559\uc801 \ud22c\uba85\uc131<\/strong>: \ud22c\uba85\uc131\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3 data-start=\"1847\" data-end=\"1866\">\ud83d\udd04 \ub8e8\ube44 \ubcfc \uc801\uc6a9 \ubd84\uc57c<\/h3>\n<p data-start=\"1868\" data-end=\"1942\">\ub8e8\ube44 \ubcfc\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uace0\uc815\ubc00 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li data-start=\"1946\" data-end=\"2077\"><strong data-start=\"1946\" data-end=\"1968\">\uc815\ubc00 \ubca0\uc5b4\ub9c1<\/strong>: \uc800\ub9c8\ucc30\uacfc \uace0\ub0b4\uad6c\uc131\uc774 \uc694\uad6c\ub418\ub294 \uae30\uacc4\uc2dd \uc2dc\uacc4, \uc790\uc774\ub85c\uc2a4\ucf54\ud504, \uae30\ud0c0 \uc815\ubc00 \uacc4\uce21 \uc7a5\ube44\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li data-start=\"2080\" data-end=\"2184\"><strong data-start=\"2080\" data-end=\"2099\">\uad11\ud559 \uc2dc\uc2a4\ud15c<\/strong>: \uad11\uc12c\uc720 \ucee4\ub125\ud130, \ub808\uc774\uc800 \uc2dc\uc2a4\ud15c, \uad11\ud559 \uc815\ub82c \uc7a5\uce58 \ub4f1\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li data-start=\"2187\" data-end=\"2297\"><strong data-start=\"2187\" data-end=\"2214\">\uacc4\uce21 \uc7a5\ube44<\/strong>: \uc720\ub7c9\uacc4, \ubc14\ucf54\ub4dc \ub9ac\ub354, \uae30\ud0c0 \uacc4\uce21\u00b7\uacc4\ub7c9 \uc7a5\ube44\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li data-start=\"2300\" data-end=\"2407\"><strong data-start=\"2300\" data-end=\"2336\">\ud56d\uacf5\uc6b0\uc8fc \ubc0f \ubc14\uc774\uc624\uba54\ub514\uceec \uc7a5\uce58<\/strong>: \ub192\uc740 \uc2e0\ub8b0\uc131\uacfc \uc131\ub2a5\uc774 \uc694\uad6c\ub418\ub294 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3 data-start=\"2414\" data-end=\"2447\">\ud83d\udce6 \uacf5\uae09 \ub4f1\uae09 \ubc0f \uc0ac\uc774\uc988<\/h3>\n<p data-start=\"2449\" data-end=\"2544\">\ub8e8\ube44 \ubcfc\uc740 \uc6a9\ub3c4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucdb0 \ub2e4\uc591\ud55c \ub4f1\uae09 \ubc0f \uc9c1\uacbd\uc73c\ub85c \uacf5\uae09 \uac00\ub2a5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li data-start=\"2548\" data-end=\"2592\"><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong data-start=\"2548\" data-end=\"2558\">\ub4f1\uae09<\/strong>: G1, G2, G3, G5, G10, G25\uae4c\uc9c0<\/a><\/li>\n<li data-start=\"2595\" data-end=\"2690\"><strong data-start=\"2595\" data-end=\"2604\">\uc0ac\uc774\uc988<\/strong>: \uc9c1\uacbd 0.16 mm\uc5d0\uc11c 10 mm \ubc94\uc704, \uc694\uccad \uc2dc \ub9de\ucda4 \uc0ac\uc774\uc988 \uac00\ub2a5<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f \ub8e8\ube44 \ubcfc \u2013 \uace0\uc131\ub2a5 \uc815\ubc00 \ubd80\ud488 \ub8e8\ube44 \ubcfc\uc740 \ud569\uc131 \ub8e8\ube44(Al\u2082O\u2083:Cr)\ub85c \uc81c\uc791\ub41c \uc815\ubc00 \uad6c\ud615 \ubd80\ud488\uc73c\ub85c, \ud06c\ub86c\uc774 \ub3c4\ud551\ub41c \ucf54\ub7f0\ub364 \uacb0\uc815 \uad6c\uc870\uc785\ub2c8\ub2e4. \ub2e4\uc774\uc544\ubaac\ub4dc \ub2e4\uc74c\uc73c\ub85c \ub9e4\uc6b0 \ub192\uc740 \uacbd\ub3c4\uc640 \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uc744 \uac00\uc9c0\uba70, \ub0b4\uad6c\uc131, \uce58\uc218 \uc548\uc815\uc131, \uadf9\ud55c \ud658\uacbd \uc800\ud56d\uc131\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ud56d\uacf5\uc6b0\uc8fc, \ubc14\uc774\uc624\uba54\ub514\uceec \uacc4\uce21 \uc7a5\ube44, \uace0\uc9c4\uacf5 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubd84\uc57c\uc5d0\uc11c \uc774\uc0c1\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud83d\udd27 \uc8fc\uc694 \uae30\uc220 \uc0ac\uc591 \uacb0\uc815 \uad6c\uc870: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10576,"parent":10570,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10573","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\ub8e8\ube44 \ubcfc \ucd08\uacbd\ub3c4 \uc815\ubc00 \ubca0\uc5b4\ub9c1 \uc13c\uc11c\uc6a9 \uace0\ub0b4\ub9c8\ubaa8 \uc808\uc5f0 \ud2b9\uc218\uc6a9\ub3c4<\/title>\n<meta name=\"description\" content=\"\ub8e8\ube44 \ubcfc\uc740 \ud569\uc131 \ub8e8\ube44(Al\u2082O\u2083:Cr) \ub2e8\uacb0\uc815 \ucd08\uacbd\ub3c4(\ubaa8\uc2a4 9) \uc815\ubc00 \uad6c\ud615 \ubd80\ud488\uc73c\ub85c \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131, \uce58\uc218 \uc548\uc815\uc131, \uc804\uae30 \uc808\uc5f0\uc131\uacfc \ud654\ud559\u00b7\uace0\uc628 \ub0b4\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \uc815\ubc00 \ubca0\uc5b4\ub9c1, \uc720\ub7c9\uacc4, \ub808\uc774\uc800\u00b7\uad11 \uc815\ub82c, \uacc4\uce21 \uc13c\uc11c \ub4f1 \uace0\uc2e0\ub8b0 \uc815\ubc00 \uc811\uc810\u00b7\uc2dc\ud2b8\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.redhillballs.com\/ko\/%ec%a0%9c%ed%92%88\/%eb%a3%a8%eb%b9%84-%eb%b0%8f-%ec%82%ac%ed%8c%8c%ec%9d%b4%ec%96%b4-%eb%b3%bc\/%eb%a3%a8%eb%b9%84-%eb%b3%bc\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ub8e8\ube44 \ubcfc\" \/>\n<meta property=\"og:description\" content=\"\ub8e8\ube44 \ubcfc\uc740 \ud569\uc131 \ub8e8\ube44(Al\u2082O\u2083:Cr) \ub2e8\uacb0\uc815 \ucd08\uacbd\ub3c4(\ubaa8\uc2a4 9) \uc815\ubc00 \uad6c\ud615 \ubd80\ud488\uc73c\ub85c \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131, \uce58\uc218 \uc548\uc815\uc131, \uc804\uae30 \uc808\uc5f0\uc131\uacfc \ud654\ud559\u00b7\uace0\uc628 \ub0b4\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \uc815\ubc00 \ubca0\uc5b4\ub9c1, \uc720\ub7c9\uacc4, \ub808\uc774\uc800\u00b7\uad11 \uc815\ub82c, \uacc4\uce21 \uc13c\uc11c \ub4f1 \uace0\uc2e0\ub8b0 \uc815\ubc00 \uc811\uc810\u00b7\uc2dc\ud2b8\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.redhillballs.com\/ko\/%ec%a0%9c%ed%92%88\/%eb%a3%a8%eb%b9%84-%eb%b0%8f-%ec%82%ac%ed%8c%8c%ec%9d%b4%ec%96%b4-%eb%b3%bc\/%eb%a3%a8%eb%b9%84-%eb%b3%bc\/\" \/>\n<meta property=\"og:site_name\" content=\"Redhill Precision Specialty Balls\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-28T11:45:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2025\/09\/red-ruby-balls.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data1\" content=\"2\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/ko\\\/%ec%a0%9c%ed%92%88\\\/%eb%a3%a8%eb%b9%84-%eb%b0%8f-%ec%82%ac%ed%8c%8c%ec%9d%b4%ec%96%b4-%eb%b3%bc\\\/%eb%a3%a8%eb%b9%84-%eb%b3%bc\\\/\",\"url\":\"https:\\\/\\\/www.redhillballs.com\\\/ko\\\/%ec%a0%9c%ed%92%88\\\/%eb%a3%a8%eb%b9%84-%eb%b0%8f-%ec%82%ac%ed%8c%8c%ec%9d%b4%ec%96%b4-%eb%b3%bc\\\/%eb%a3%a8%eb%b9%84-%eb%b3%bc\\\/\",\"name\":\"\ub8e8\ube44 \ubcfc \ucd08\uacbd\ub3c4 \uc815\ubc00 \ubca0\uc5b4\ub9c1 \uc13c\uc11c\uc6a9 \uace0\ub0b4\ub9c8\ubaa8 \uc808\uc5f0 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