{"id":4554,"date":"2026-04-09T08:25:52","date_gmt":"2026-04-09T08:25:52","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4554"},"modified":"2026-04-09T08:25:52","modified_gmt":"2026-04-09T08:25:52","slug":"iso-4406%ec%9d%80-%ec%9c%a0%ec%95%95-%ec%98%a4%ec%9d%bc-%ec%b2%ad%ea%b2%b0-%ec%bd%94%eb%93%9c%ec%97%90-%eb%8c%80%ed%95%9c-%ec%a0%84%ec%b2%b4-%ea%b0%80%ec%9d%b4%eb%93%9c%eb%a5%bc-%ec%84%a4%eb%aa%85","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/ko\/iso-4406-explained-a-complete-guide-to-hydraulic-oil-cleanliness-codes\/","title":{"rendered":"ISO 4406 \uc124\uba85: \uc720\uc555 \uc624\uc77c \uccad\uacb0 \ucf54\ub4dc\uc5d0 \ub300\ud55c \uc644\ubcbd\ud55c \uac00\uc774\ub4dc"},"content":{"rendered":"<p><span style=\"font-size: 1.7em; font-weight: bold;\">\uc18c\uac1c<\/span><\/p>\n<section class=\"introduction\">\uc720\uc555 \uc2dc\uc2a4\ud15c\uc740 \uae68\ub057\ud55c \uc720\uccb4\uac00 \uc788\uc5b4\uc57c \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ud604\ubbf8\uacbd\uc73c\ub85c\ub9cc \ubcf4\uc774\ub294 \uc791\uc740 \uc785\uc790\ub77c\ub3c4 \uc11c\ubcf4 \ubc38\ube0c, \ud53c\uc2a4\ud1a4 \ud38c\ud504, \ubc29\ud5a5 \uc81c\uc5b4 \ubc38\ube0c\uc640 \uac19\uc740 \uc815\ubc00 \ubd80\ud488\uc5d0 \ub9c8\ubaa8, \ubc1c\uc791, \uc870\uae30 \uace0\uc7a5\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc11c\ubcf4 \ubc38\ube0c <a href=\"https:\/\/www.iso.org\/standard\/72618.html\">ISO 4406<\/a> \ud45c\uc900\uc740 \uc720\uccb4 \uccad\uacb0 \uc218\uc900\uc744 \uc804\ub2ec\ud558\uae30 \uc704\ud55c \ubc94\uc6a9 \uc5b8\uc5b4\ub97c \uc81c\uacf5\ud558\uc5ec \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc694\uad6c \uc0ac\ud56d\uc744 \uc9c0\uc815\ud558\uace0 \uc870\uac74\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uba70 \uc801\uc808\ud55c \uc5ec\uacfc\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/section>\n<section class=\"definition\">\n<h2>ISO 4406\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p>ISO 4406:1999\ub294 \uc720\uc555 \uc720\uccb4\uc758 \uace0\uccb4 \uc785\uc790\uc5d0 \uc758\ud55c \uc624\uc5fc \uc218\uc900\uc744 \ucf54\ub529\ud558\ub294 \uad6d\uc81c \ud45c\uc900\uc785\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \uc2ac\ub798\uc2dc\ub85c \uad6c\ubd84\ub41c \uc138 \uac1c\uc758 \uc22b\uc790 \ucf54\ub4dc(\uc608: 19\/17\/14)\ub97c \uc0ac\uc6a9\ud558\uba70, \uac01 \uc22b\uc790\ub294 \uc785\uc790 \ud06c\uae30 \ubc94\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<p>\uc138 \uac1c\uc758 \uc22b\uc790\ub294 \ub2e4\uc74c\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uccab \ubc88\uc9f8 \uc22b\uc790<\/strong>: \uc785\uc790 \u2265 4\u03bcm(mL\ub2f9)<\/li>\n<li><strong>\ub450 \ubc88\uc9f8 \uc22b\uc790<\/strong>: \uc785\uc790 \u2265 6\u03bcm(mL\ub2f9)<\/li>\n<li><strong>\uc138 \ubc88\uc9f8 \uc22b\uc790<\/strong>: \uc785\uc790 \u2265 14\u03bcm(mL\ub2f9)<\/li>\n<\/ul>\n<p>ISO 4406\uc740 \ub808\uc774\uc800 \uc785\uc790 \uacc4\uc218\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc785\uc790\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \uc774 \uacc4\uc218\uae30\ub294 \uc720\uccb4\uac00 \uc9c0\ub098\uac08 \ub54c \ub808\uc774\uc800 \ube54\uc5d0 \ubd80\uc11c\uc9c0\ub294 \uc785\uc790\ub97c \uacc4\uc218\ud55c \ub2e4\uc74c \uacb0\uacfc\ub97c \ud45c\uc900\ud654\ub41c \ud06c\uae30 \ubc94\uc704\ub85c \ubd84\ub958\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n<section class=\"interpretation\">\n<h2>ISO 4406 \ucf54\ub4dc \ud310\ub3c5 \ubc29\ubc95<\/h2>\n<p>ISO 4406 \ucf54\ub4dc\uc758 \uac01 \uc22b\uc790\ub294 0\uc5d0\uc11c 28\uae4c\uc9c0\uc758 \ubc94\uc704\ub85c, \uc815\ud655\ud55c \uac1c\uc218\uac00 \uc544\ub2cc \uc785\uc790 \uc218 \ubc94\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ucf54\ub4dc 22\ub294 \ud574\ub2f9 \ud06c\uae30 \ubc94\uc704\uc5d0\uc11c \ubc00\ub9ac\ub9ac\ud130\ub2f9 20,000~40,000\uac1c\uc758 \uc785\uc790\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p>\ucf54\ub4dc \ubc88\ud638\uac00 \uc99d\uac00\ud560 \ub54c\ub9c8\ub2e4 \uc785\uc790 \uc218 \ubc94\uc704\uac00 \ub450 \ubc30\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4. \uc989, \ucf54\ub4dc\uac00 \uc870\uae08\ub9cc \uc99d\uac00\ud574\ub3c4 \uc624\uc5fc \uc218\uc900\uc774 \ud06c\uac8c \uc99d\uac00\ud55c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/p>\n<h3>ISO 4406 \ucf54\ub4dc \ucc28\ud2b8<\/h3>\n<table>\n<thead>\n<tr>\n<th>ISO \ucf54\ub4dc<\/th>\n<th>mL\ub2f9 \uc785\uc790(\ucd5c\uc18c)<\/th>\n<th>mL\ub2f9 \uc785\uc790(\ucd5c\ub300)<\/th>\n<th>\uccad\uacb0\ub3c4 \uc218\uc900<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>9<\/td>\n<td>2.5<\/td>\n<td>5<\/td>\n<td>\ub9e4\uc6b0 \uae68\ub057\ud568<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>20<\/td>\n<td>40<\/td>\n<td>\uccad\uc18c<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>160<\/td>\n<td>320<\/td>\n<td>\ud5c8\uc6a9 \uac00\ub2a5<\/td>\n<\/tr>\n<tr>\n<td>18<\/td>\n<td>1,300<\/td>\n<td>2,500<\/td>\n<td>\ud55c\uacc4<\/td>\n<\/tr>\n<tr>\n<td>19<\/td>\n<td>2,500<\/td>\n<td>5,000<\/td>\n<td>\uc624\uc5fc\ub41c<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>20,000<\/td>\n<td>40,000<\/td>\n<td>\ub9e4\uc6b0 \ub354\ub7fd\ub2e4<\/td>\n<\/tr>\n<tr>\n<td>24<\/td>\n<td>80,000<\/td>\n<td>160,000<\/td>\n<td>\ub9e4\uc6b0 \ub354\ub7ec\uc6c0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uc2e4\uc81c \uc0ac\ub840<\/h3>\n<p>ISO \ucf54\ub4dc 19\/17\/14\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc624\uc77c \uc0d8\ud50c \ubcf4\uace0\uc11c\ub97c \uc608\ub85c \ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>19<\/strong> = 2,500~5,000\uac1c \uc785\uc790 \u2265 4\u03bcm\/\u3396\ub2f9<\/li>\n<li><strong>17<\/strong> = 630~1,250\uac1c \uc785\uc790 \u2265 6\u03bcm\/\u3396\ub2f9<\/li>\n<li><strong>14<\/strong> = 40~80\uac1c \uc785\uc790 \u2265 14\u03bcm\/\u3396\ub2f9<\/li>\n<\/ul>\n<p>\ucf54\ub4dc 22\/18\/13\uc5d0\ub294 20\/16\/11\uc758 4\ubc30\uc5d0 \ub2ec\ud558\ub294 \uc785\uc790\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ucf54\ub4dc \ubc88\ud638\uc758 \uc791\uc740 \ucc28\uc774\ub294 \uc624\uc5fc\uc758 \ud070 \ucc28\uc774\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<\/section>\n<section class=\"requirements\">\n<h2>\uad6c\uc131 \uc694\uc18c \uccad\uacb0 \uc694\uad6c \uc0ac\ud56d<\/h2>\n<p>\ub2e4\ub978 <a href=\"\/components\/\">\uc720\uc555 \ubd80\ud488<\/a> \uc6c0\uc9c1\uc774\ub294 \ud45c\uba74 \uc0ac\uc774\uc758 \uac04\uaca9\uc5d0 \ub530\ub77c \uc624\uc5fc\uc5d0 \ub300\ud55c \ub0b4\uc131\uc774 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc815\ubc00 \ubd80\ud488\uc5d0\ub294 \ub354 \uae68\ub057\ud55c \uc720\uccb4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uad6c\uc131 \uc694\uc18c<\/th>\n<th>\uc77c\ubc18 \ud074\ub9ac\uc5b4\ub7f0\uc2a4<\/th>\n<th>\ub300\uc0c1 ISO \ucf54\ub4dc<\/th>\n<th>\uad8c\uc7a5 \ud544\ud130<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc11c\ubcf4 \ubc38\ube0c<\/td>\n<td>0.5-4 \u03bcm<\/td>\n<td>14\/12\/9<\/td>\n<td>3 \u03bcm<\/td>\n<\/tr>\n<tr>\n<td>\ube44\ub840 \ubc38\ube0c<\/td>\n<td>2-8 \u03bcm<\/td>\n<td>15\/13\/10<\/td>\n<td>5 \u03bcm<\/td>\n<\/tr>\n<tr>\n<td>\ud53c\uc2a4\ud1a4 \ud38c\ud504\/\ubaa8\ud130<\/td>\n<td>0.5-5 \u03bcm<\/td>\n<td>16\/14\/11<\/td>\n<td>6 \u03bcm<\/td>\n<\/tr>\n<tr>\n<td>\ubca0\uc778 \ud38c\ud504\/\ubaa8\ud130<\/td>\n<td>0.5-13 \u03bcm<\/td>\n<td>17\/15\/12<\/td>\n<td>10\u03bcm<\/td>\n<\/tr>\n<tr>\n<td>\uae30\uc5b4 \ud38c\ud504\/\ubaa8\ud130<\/td>\n<td>0.5-25 \u03bcm<\/td>\n<td>18\/16\/13<\/td>\n<td>12\u03bcm<\/td>\n<\/tr>\n<tr>\n<td>\ubc29\ud5a5 \ubc38\ube0c<\/td>\n<td>2-40 \u03bcm<\/td>\n<td>18\/16\/13<\/td>\n<td>12\u03bcm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\ud53c\uc2a4\ud1a4 \ud38c\ud504 \uc81c\uc870\uc5c5\uccb4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 19\/17\/14\uc758 \ucd5c\uc18c \uccad\uacb0 \uc218\uc900\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc774 \uc694\uac74\uc744 \ucda9\uc871\ud558\uc9c0 \ubabb\ud558\uba74 \ubcf4\uc99d\uc774 \ubb34\ud6a8\ud654\ub418\uace0 \ub9c8\ubaa8\uac00 \uac00\uc18d\ud654\ub429\ub2c8\ub2e4.<\/p>\n<\/section>\n<section class=\"standards-comparison\">\n<h2>ISO 4406 \ub300 NAS 1638 \ub300 GB\/T 14039<\/h2>\n<p>\uc9c0\uc5ed\ub9c8\ub2e4 \ub2e4\ub978 \uc138 \uac00\uc9c0 \uae30\uc900\uc774 \uc720\uccb4 \uccad\uacb0\ub3c4\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4:<\/p>\n<table>\n<thead>\n<tr>\n<th>\ud45c\uc900<\/th>\n<th>\uc9c0\uc5ed<\/th>\n<th>\ucf54\ub4dc \ud615\uc2dd<\/th>\n<th>\uc785\uc790 \ud06c\uae30<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ISO 4406<\/td>\n<td>\uad6d\uc81c<\/td>\n<td>XX\/YY\/ZZ<\/td>\n<td>4, 6, 14\u03bcm<\/td>\n<\/tr>\n<tr>\n<td>NAS 1638<\/td>\n<td>\ubbf8\uad6d<\/td>\n<td>\ud074\ub798\uc2a4 00-12<\/td>\n<td>5, 15, 25, 50, 100\u03bcm<\/td>\n<\/tr>\n<tr>\n<td>GB\/T 14039<\/td>\n<td>\uc911\uad6d<\/td>\n<td>ISO 4406\uacfc \ub3d9\ub4f1<\/td>\n<td>4, 6, 14\u03bcm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>ISO 4406\uc740 \ud3ec\uad04\uc801\uc778 \uc785\uc790 \ud06c\uae30 \ubc94\uc704\uc640 \ud3b8\ub9ac\ud55c \uac80\ucd9c \ubc29\ubc95\uc73c\ub85c \uc778\ud574 \uae00\ub85c\ubc8c \ud45c\uc900\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. GB\/T 14039-2022\ub294 ISO 4406\uacfc \ub3d9\uc77c\ud558\uc5ec \uc911\uad6d\uacfc \uad6d\uc81c \uaddc\uaca9 \uac04\uc758 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n<section class=\"implementation\">\n<h2>\ubaa9\ud45c \uccad\uacb0\ub3c4 \ub2ec\uc131 \ubc29\ubc95<\/h2>\n<p>\ub2e4\uc74c \ub2e8\uacc4\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \uc720\uccb4 \uccad\uacb0\uc744 \uc124\uc815\ud558\uace0 \uc720\uc9c0\ud558\uc138\uc694:<\/p>\n<h3>1\ub2e8\uacc4: \uc624\uc77c \ubd84\uc11d \uc218\ud589<\/h3>\n<p>\uac00\uc7a5 \uc815\ud655\ud55c \ud310\ub3c5\uc744 \uc704\ud574 \ud734\ub300\uc6a9 \ud30c\ud2f0\ud074 \uce74\uc6b4\ud130\ub97c \uc2dc\uc2a4\ud15c \uc0d8\ud50c\ub9c1 \ud3ec\ud2b8\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ud558\uc138\uc694. \ub610\ub294 \uc721\uc548 \uc624\uc5fc \ud3c9\uac00\ub97c \uc704\ud574 \uc624\uc77c \ubd84\uc11d \ud328\uce58 \ud14c\uc2a4\ud2b8 \ud0a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \uc885\ud569\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uc704\ud574 \ubcd1 \uc0d8\ud50c\uc744 \uc2e4\ud5d8\uc2e4\ub85c \ubcf4\ub0b4\uc138\uc694.<\/p>\n<p>\ubd84\uae30\ubcc4\ub85c \uc624\uc77c \ubd84\uc11d\uc744 \uc218\ud589\ud558\uc5ec \uc2dc\uac04 \uacbd\uacfc\uc5d0 \ub530\ub978 \uccad\uacb0\ub3c4 \ucd94\uc138\ub97c \ucd94\uc801\ud569\ub2c8\ub2e4.<\/p>\n<h3>2\ub2e8\uacc4: \ud544\ud130\ub9c1 \uad6c\ud604<\/h3>\n<p>\ub300\uc0c1 ISO \ucf54\ub4dc \ubc0f \uad6c\uc131 \uc694\uc18c \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ud544\ud130\ub9c1\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc635\uc158\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc804\uc6a9 \ud544\ud130 \ud328\ub110<\/strong>: \uc11c\ube44\uc2a4 \uc911\uc778 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c \uc778\ub77c\uc778 \ucee8\ub514\uc154\ub2dd<\/li>\n<li><strong>\ud734\ub300\uc6a9 \ud544\ud130 \uce74\ud2b8<\/strong>: \uc774\uc1a1 \ubc0f \ube44\uc0c1 \uc5ec\uacfc\ub97c \uc704\ud55c \ub2e4\uc6a9\ub3c4 \uc7a5\uce58<\/li>\n<li><strong>\ud638\ud761\uae30 \ud544\ud130<\/strong>: \uc800\uc218\uc9c0 \ud638\ud761 \uc911 \ud658\uacbd \uc624\uc5fc \ubc29\uc9c0<\/li>\n<li><strong>\uc624\ud504\ub77c\uc778 \uc2e0\uc7a5 \ub8e8\ud504 \uc5ec\uacfc<\/strong>: \uc2dc\uc2a4\ud15c \uc791\ub3d9\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\ub294 \uc9c0\uc18d\uc801\uc778 \ubbf8\uc138 \uc5ec\uacfc<\/li>\n<\/ul>\n<h3>3\ub2e8\uacc4: \uc720\uc9c0 \uad00\ub9ac \ud504\ub85c\ud1a0\ucf5c \uc218\ub9bd<\/h3>\n<ul>\n<li>\uc81c\uc870\uc5c5\uccb4 \uad8c\uc7a5 \uc8fc\uae30\ub85c \ud544\ud130 \uad50\uccb4\ud558\uae30<\/li>\n<li>\uc870\uae30 \uacbd\uace0 \uc9c0\ud45c\ub85c \ud544\ud130 \ucc28\uc555 \ubaa8\ub2c8\ud130\ub9c1<\/li>\n<li>\uc624\uc77c \uc0d8\ud50c\uc744 \ucc44\ucde8\ud560 \ub54c \uc0d8\ud50c\ub9c1 \ud3ec\ud2b8\ub97c \uae68\ub057\ud558\uac8c \uc720\uc9c0\ud558\uc138\uc694.<\/li>\n<li>\uc2dc\uc2a4\ud15c\uc5d0 \ucd94\uac00\ud558\uae30 \uc804\uc5d0 \uc0c8 \uc720\uccb4\ub97c \uae68\ub057\ud55c \uc6a9\uae30\uc5d0 \ubcf4\uad00\ud558\uace0 \ud544\ud130\ub9c1\ud558\uc138\uc694.<\/li>\n<\/ul>\n<\/section>\n<section class=\"faq\">\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>ISO 4406 \uccad\uacb0 \ucf54\ub4dc\ub294 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub098\uc694?<\/h3>\n<p>ISO 4406 \ucf54\ub4dc\ub294 \uc785\uc790 \uc218\ub97c \uc138 \uac00\uc9c0 \ud06c\uae30 \ubc94\uc704\ub85c \ubcf4\uace0\ud569\ub2c8\ub2e4. \uc22b\uc790\uac00 \ub0ae\uc744\uc218\ub85d \ub354 \uae68\ub057\ud55c \uc720\uccb4\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ucf54\ub4dc 19\/17\/14\ub294 4\u339b \uc774\uc0c1\uc5d0\uc11c\ub294 2,500~5,000\uac1c, 6\u339b \uc774\uc0c1\uc5d0\uc11c\ub294 630~1,250\uac1c, 14\u339b \uc774\uc0c1\uc5d0\uc11c\ub294 1\ubc00\ub9ac\ub9ac\ud130\ub2f9 40~80\uac1c\uc758 \uc785\uc790\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc720\uc555 \uc624\uc77c \uccad\uacb0\ub3c4\ub97c \uc5bc\ub9c8\ub098 \uc790\uc8fc \ud14c\uc2a4\ud2b8\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<p>\uc815\uae30 \uc720\uc9c0\ubcf4\uc218 \uc2dc \ubd84\uae30\ubcc4\ub85c \uc624\uc77c \uccad\uacb0\ub3c4\ub97c \ud14c\uc2a4\ud2b8\ud558\uc138\uc694. \uc2dc\uc2a4\ud15c \uc218\uc815, \ubd80\ud488 \uad50\uccb4 \ub610\ub294 \uc624\uc5fc \uc0ac\uace0\uac00 \ubc1c\uc0dd\ud55c \ud6c4\uc5d0\ub294 \ub354 \uc790\uc8fc \ud14c\uc2a4\ud2b8\ud558\uc138\uc694. \uc815\uae30\uc801\uc778 \ubaa8\ub2c8\ud130\ub9c1\uc744 \ud1b5\ud574 \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \ucd94\uc138\ub97c \ud30c\uc545\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc624\uc77c \uccad\uacb0\ub3c4\uac00 \ud544\uc694 \uc774\uc0c1\uc73c\ub85c \ub098\uc058\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h3>\n<p>\uc624\uc5fc\ub41c \uc720\uccb4\ub294 \ud38c\ud504, \ubc38\ube0c, \uc2e4\ub9b0\ub354\uc758 \ub9c8\ubaa8\ub97c \uac00\uc18d\ud654\ud569\ub2c8\ub2e4. \uc11c\ubcf4 \ubc38\ube0c\uc640 \uac19\uc740 \uc815\ubc00 \ubd80\ud488\uc740 \uc2a4\ud2f1 \uc2ac\ub9bd \ud604\uc0c1, \uc815\ud655\ub3c4 \uc800\ud558, \uc870\uae30 \uace0\uc7a5\uc744 \uacbd\ud5d8\ud569\ub2c8\ub2e4. \uc5c5\uacc4 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74 \uc720\uc555 \uc2dc\uc2a4\ud15c \uace0\uc7a5\uc758 \uc57d 80%\uac00 \uc624\uc5fc\uacfc \uad00\ub828\uc774 \uc788\ub2e4\uace0 \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc720\uc555 \uc2dc\uc2a4\ud15c\uc5d0 \uc5b4\ub5a4 ISO \ucf54\ub4dc\ub97c \uc9c0\uc815\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<p>\uac00\uc7a5 \ubbfc\uac10\ud55c \uad6c\uc131 \uc694\uc18c\uc758 \uc694\uad6c \uc0ac\ud56d\ubd80\ud130 \uc2dc\uc791\ud558\uc138\uc694. \ud53c\uc2a4\ud1a4 \ud38c\ud504\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ucd5c\uc18c 19\/17\/14\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc11c\ubcf4 \ubc38\ube0c \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 14\/12\/9 \uc774\uc0c1\uc758 \ud6e8\uc52c \ub354 \uae68\ub057\ud55c \uc720\uccb4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc548\uc804 \ub9c8\uc9c4\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574 \uac00\uc7a5 \uc5c4\uaca9\ud55c \uc694\uad6c \uc0ac\ud56d\ubcf4\ub2e4 \ub354 \uae68\ub057\ud558\uac8c \uc9c0\uc815\ud558\uc138\uc694.<\/p>\n<\/section>\n<section class=\"conclusion\">\n<h2>\uacb0\ub860<\/h2>\n<p>ISO 4406\uc740 \uc720\uc555\uc720 \uccad\uacb0\uc5d0 \ub300\ud55c \ubcf4\ud3b8\uc801\uc778 \uc5b8\uc5b4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uae30\uc220\uc790\ub294 3\uc790\ub9ac \ucf54\ub4dc\ub97c \uc77d\uace0, \uccad\uacb0 \uc218\uc900\uc744 \uad6c\uc131 \uc694\uc18c \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucd94\uace0, \uc801\uc808\ud55c \uc5ec\uacfc\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uba74 \uc624\uc5fc \uad00\ub828 \uace0\uc7a5\uc744 \uc608\ubc29\ud558\uace0 \uc7a5\ube44 \uc218\uba85\uc744 \uc5f0\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc815\uae30\uc801\uc778 \uc624\uc77c \ubd84\uc11d, \uc801\uc808\ud55c \uc5ec\uacfc, \uc77c\uad00\ub41c \uc720\uc9c0\ubcf4\uc218 \uad00\ud589\uc740 \uc720\uc555 \uc2dc\uc2a4\ud15c\uc774 \ubaa9\ud45c \uccad\uacb0\ub3c4 \ucf54\ub4dc \ub0b4\uc5d0\uc11c \uc791\ub3d9\ud558\ub3c4\ub85d \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc811\uadfc \ubc29\uc2dd\uc740 \uac00\ub3d9 \uc911\ub2e8 \uc2dc\uac04\uc744 \uc904\uc774\uace0 \ubd80\ud488 \uc218\uba85\uc744 \uc5f0\uc7a5\ud558\uba70 \uc7a5\ube44 \ud22c\uc790\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Introduction Hydraulic systems depend on clean fluid to function reliably. Even small particles\u2014visible only under a microscope\u2014cause wear, seizure, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4557,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ISO 4406 Explained: A Complete Guide to Hydraulic Oil Cleanliness Codes - Hydrath Power<\/title>\n<meta name=\"description\" content=\"Learn how ISO 4406 cleanliness codes work, how to read particle count reports, and which cleanliness levels your hydraulic components need.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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