{"id":9538,"date":"2026-06-05T11:21:49","date_gmt":"2026-06-05T03:21:49","guid":{"rendered":"https:\/\/rysilicone.com\/?p=9538"},"modified":"2026-08-06T14:12:27","modified_gmt":"2026-08-06T06:12:27","slug":"electrical-properties-of-silicone","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/tr\/electrical-properties-of-silicone\/","title":{"rendered":"Silikonun Elektriksel \u00d6zellikleri: Dielektrik Dayan\u0131m\u0131, Diren\u00e7 ve Yal\u0131t\u0131m\u0131n Ger\u00e7ekte Ba\u015far\u0131s\u0131z Oldu\u011fu Noktalar"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u00c7o\u011fu teknik \u00f6zellik silikonu &quot;yal\u0131tkan&quot; olarak ele al\u0131r; tek kelime, tek \u00f6zellik, bir tablodan se\u00e7ilmi\u015f. Par\u00e7a fabrika hipot testini ge\u00e7er. Sevkiyata girer. \u0130lk y\u0131l boyunca, veri sayfas\u0131nda vaat edileni aynen yerine getirir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ard\u0131ndan, k\u0131y\u0131daki bir trafo merkezinde y\u00fcksek gerilim sonland\u0131rma noktas\u0131nda ar\u0131zalar meydana gelmeye ba\u015flad\u0131. Dielektrik testinden ge\u00e7en bir bara ba\u011flant\u0131 ucu, \u00fc\u00e7 k\u0131\u015f boyunca tuzlu sisin etkisi alt\u0131nda kald\u0131ktan sonra y\u00fczeyinde karbon izleri olu\u015fturdu. Malzemenin tamam\u0131nda hi\u00e7bir de\u011fi\u015fiklik olmad\u0131. Bu ar\u0131za, tezgah tipi dielektrik testinde asla ortaya \u00e7\u0131kmayacakt\u0131, \u00e7\u00fcnk\u00fc bu test uygulama i\u00e7in yanl\u0131\u015f \u015feyi \u00f6l\u00e7\u00fcyordu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Silikon g\u00fc\u00e7l\u00fc bir elektrik yal\u0131tkan\u0131d\u0131r \u2014 hacimsel \u00f6zdirenci yakla\u015f\u0131k 10\u00b9\u2074\u201310\u00b9\u2075 \u03a9\u00b7cm ve dielektrik dayan\u0131m\u0131 18\u201325 kV\/mm&#039;dir \u2014 ancak &quot;yal\u0131tkan&quot; d\u00f6rt ayr\u0131 say\u0131dan olu\u015fur, tek bir say\u0131dan de\u011fil ve y\u00fcksek voltajl\u0131 par\u00e7alar\u0131n \u00e7o\u011funu sonland\u0131ran ar\u0131za, k\u00fctlesel bozulma de\u011fil, y\u00fczey izlemesidir. Ayn\u0131 temel polimer ayr\u0131ca yar\u0131 iletken ve tamamen iletken kaliteleri de kapsar; elektriksel kimli\u011fi belirleyen silikon de\u011fil, dolgu sistemidir.<\/strong> S\u0131n\u0131rlar\u0131n nerede oldu\u011fu ve her birinin nas\u0131l do\u011fruland\u0131\u011f\u0131 i\u015fte burada a\u00e7\u0131klan\u0131yor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Y\u00f6netici \u00d6zeti<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dielektrik dayan\u0131m\u0131, malzeme sabiti de\u011fil, kal\u0131nl\u0131k cinsinden bir de\u011ferdir.<\/strong> 1 mm&#039;lik bir numunede 23 kV\/mm olarak derecelendirilen bir kalite, 10 mm&#039;de 230 kV vermez; kV\/mm de\u011feri kesit kal\u0131nl\u0131\u011f\u0131 artt\u0131k\u00e7a ve s\u0131cakl\u0131k y\u00fckseldik\u00e7e d\u00fc\u015fer.<\/li>\n\n\n\n<li><strong>Y\u00fcksek voltajl\u0131 par\u00e7alar, i\u00e7 k\u0131s\u0131mlar\u0131nda de\u011fil, y\u00fczeylerinde ar\u0131zalan\u0131r.<\/strong> Kirlenme alt\u0131nda iz b\u0131rakma ve a\u015f\u0131nma (IEC 60587), d\u0131\u015f mekan ve y\u00fcksek gerilim \u00f6mr\u00fcn\u00fc belirler. Silikon burada hidrofobiklik geri kazan\u0131m\u0131 konusunda \u00fcst\u00fcnl\u00fck sa\u011flar, ancak bu, toplu dielektrik dayan\u0131m\u0131ndan farkl\u0131 bir \u00f6zellik ve farkl\u0131 bir testtir.<\/li>\n\n\n\n<li><strong>Dolgu maddesi elektrik s\u0131n\u0131f\u0131n\u0131 tan\u0131mlar.<\/strong> Doldurulmam\u0131\u015f VMQ, 10\u00b9\u2075 \u03a9\u00b7cm yal\u0131t\u0131m de\u011ferine sahiptir; karbon y\u00fckl\u00fc kaliteler ise 10\u2070\u201310\u00b2 \u03a9\u00b7cm iletkenlik de\u011ferine sahiptir. &quot;Silikon&quot; ifadesi, par\u00e7an\u0131n yal\u0131t\u0131m m\u0131 yoksa iletkenlik mi \u00f6zelli\u011fine sahip oldu\u011fu hakk\u0131nda hi\u00e7bir \u015fey s\u00f6ylemez.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">&quot;Yal\u0131t\u0131m&quot; Ger\u00e7ekte Ne Anlama Geliyor: Tek Bir Rakam De\u011fil, D\u00f6rt Rakam<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties.jpg\" alt=\"\" class=\"wp-image-16371\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Silikonun d\u00f6rt elektrik yal\u0131t\u0131m \u00f6zelli\u011fi<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kullan\u0131labilir bir elektrik spesifikasyonu, her biri kendi testine ve kendi ar\u0131za moduna sahip d\u00f6rt \u00f6zelli\u011fi birbirinden ay\u0131r\u0131r. Bunlar\u0131 tek bir &quot;yal\u0131t\u0131m&quot; derecesi olarak ele almak, yetersiz spesifikasyonun ba\u015flang\u0131\u00e7 noktas\u0131d\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>M\u00fclk<\/strong><\/th><th><strong>Tipik VMQ aral\u0131\u011f\u0131<\/strong><\/th><th><strong>Test y\u00f6ntemi<\/strong><\/th><th><strong>Size ne anlat\u0131yor?<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Hacimsel diren\u00e7<\/td><td>10\u00b9\u2074\u201310\u00b9\u2075 \u03a9\u00b7cm<\/td><td>ASTM D257 \/ IEC 60093<\/td><td>Toplu bloklar\u0131n DC s\u0131z\u0131nt\u0131s\u0131n\u0131 ne kadar iyi engelledi\u011fi<\/td><\/tr><tr><td>Dielektrik dayan\u0131m\u0131<\/td><td>18\u201325 kV\/mm (ince kesit)<\/td><td>ASTM D149 \/ IEC 60243<\/td><td>Delinmeden \u00f6nceki voltaj gradyan\u0131<\/td><\/tr><tr><td>Dielektrik sabiti (ge\u00e7irgenlik)<\/td><td>2,9\u20134,0<\/td><td><a href=\"https:\/\/www.astm.org\/d0150-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D150<\/a> \/ IEC 60250<\/td><td>\u015earj depolama; y\u00fcksek gerilim stres derecelendirmesi ve RF i\u00e7in \u00f6nemlidir.<\/td><\/tr><tr><td>Da\u011f\u0131lma fakt\u00f6r\u00fc (tan \u03b4)<\/td><td>~0.001\u20130.01<\/td><td>ASTM D150 \/ IEC 60250<\/td><td>Klima alt\u0131nda \u0131s\u0131 olarak kaybedilen enerji; d\u00fc\u015f\u00fck olmas\u0131 iyidir.<\/td><\/tr><tr><td>Ark direnci<\/td><td>Y\u00fcksek (iletken olmayan k\u00fcl olu\u015fturur)<\/td><td>ASTM D495<\/td><td>Y\u00fczey ark\u0131 alt\u0131ndaki davran\u0131\u015f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00fc\u015f\u00fck kay\u0131p fakt\u00f6r\u00fc ve kararl\u0131 dielektrik sabiti, silikonun RF konekt\u00f6rlerinde ve y\u00fcksek voltajl\u0131 gerilim konilerinde kullan\u0131lmas\u0131n\u0131n nedenidir; \u015farj\u0131 \u00f6ng\u00f6r\u00fclebilir bir \u015fekilde depolar ve serbest b\u0131rak\u0131r ve \u0131s\u0131 olarak \u00e7ok az enerji israf eder. Ancak bu genel de\u011ferlerin hi\u00e7biri, d\u0131\u015f mekan kullan\u0131m\u0131n\u0131 ger\u00e7ekten belirleyen y\u00fczey davran\u0131\u015f\u0131n\u0131 tahmin edemez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dielektrik Dayan\u0131m\u0131 Bir Kal\u0131nl\u0131k De\u011feridir, Malzeme Sabiti De\u011fildir.<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength.jpg\" alt=\"\" class=\"wp-image-16376\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Silikon kal\u0131nl\u0131\u011f\u0131 dielektrik dayan\u0131m\u0131n\u0131 etkiler.<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Bu, silikon veri sayfalar\u0131nda en \u00e7ok yanl\u0131\u015f yorumlanan rakamd\u0131r. Dielektrik dayan\u0131m\u0131 kV\/mm cinsinden rapor edilir ve insanlar bunun do\u011frusal olarak \u00f6l\u00e7eklendi\u011fini varsayarlar. Oysa \u00f6yle de\u011fildir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kesit kal\u0131nl\u0131\u011f\u0131 artt\u0131k\u00e7a, k\u0131r\u0131lma gradyan\u0131 d\u00fc\u015fer; bunun nedeni k\u0131smen daha kal\u0131n kesitlerin test s\u0131ras\u0131nda daha fazla \u0131s\u0131y\u0131 hapsetmesi, k\u0131smen de i\u00e7 bo\u015fluk veya dolgu maddesinin sahada kalma olas\u0131l\u0131\u011f\u0131n\u0131n artmas\u0131d\u0131r. 1 mm&#039;de 23 kV\/mm de\u011ferinde olan bir malzeme, 6 mm&#039;lik bir duvarda milimetre ba\u015f\u0131na bunun yar\u0131s\u0131na yak\u0131n bir de\u011fer verebilir. \u0130nce bir numuneden al\u0131nan bir de\u011fere dayanarak kal\u0131n bir yal\u0131tkan tasarlamak, nominal voltaj\u0131n\u0131n alt\u0131nda delinme riski ta\u015f\u0131yan bir par\u00e7a elde etmenize yol a\u00e7ar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dcretimdeki say\u0131y\u0131 etkileyen iki \u015fey daha var:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u0131cakl\u0131k.<\/strong> Par\u00e7a \u0131s\u0131nd\u0131k\u00e7a dielektrik dayan\u0131m\u0131 d\u00fc\u015fer. 23\u00b0C&#039;ye dayan\u0131kl\u0131 bir bot, 150\u00b0C&#039;lik bir bara temas etti\u011finde farkl\u0131 davran\u0131r. Bunu, malzemenin termal davran\u0131\u015f\u0131yla birle\u015ftirin.<\/li>\n\n\n\n<li><strong>Bo\u015fluklar ve g\u00f6zeneklilik.<\/strong> Eksik gaz giderme veya hapsolmu\u015f fla\u015f nedeniyle olu\u015fan hava cepleri, k\u0131smi de\u015farj b\u00f6lgeleri haline gelir. K\u0131sa bir hipot d\u00f6neminden ge\u00e7tikten sonra, aylar i\u00e7inde \u00e7evredeki polimeri a\u015f\u0131nd\u0131r\u0131rlar.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.astm.org\/d0149-20.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D149<\/a> IEC 60243 standard\u0131 ayr\u0131ca laboratuvar\u0131n k\u0131sa s\u00fcreli, kademeli veya yava\u015f voltaj uygulamas\u0131 se\u00e7mesine olanak tan\u0131r ve elektrot geometrisi ile \u00e7evre ortam\u0131 (hava veya ya\u011f) sonucu etkiler. Test ko\u015fullar\u0131 belirtilmeden elde edilen dielektrik dayan\u0131m de\u011feri, tedarik\u00e7iler aras\u0131nda kar\u015f\u0131la\u015ft\u0131r\u0131labilir de\u011fildir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diren\u00e7 ve \u0130letkenlik Aral\u0131\u011f\u0131n\u0131n Sonu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">&quot;Silikon&quot; kelimesi iletkenlik hakk\u0131nda hi\u00e7bir \u015fey s\u00f6ylemez. Ayn\u0131 \u015fekilde <a href=\"https:\/\/rysilicone.com\/tr\/complete-silicone-material-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">Si\u2013O omurgas\u0131<\/a> Dolgu malzemesine ba\u011fl\u0131 olarak d\u00f6rt on y\u0131ll\u0131k diren\u00e7 aral\u0131\u011f\u0131n\u0131 kapsar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Yal\u0131t\u0131ml\u0131 VMQ:<\/strong> 10\u00b9\u2074\u201310\u00b9\u2075 \u03a9\u00b7cm. Botlar, kolluklar, kaps\u00fclleme i\u00e7in standart.<\/li>\n\n\n\n<li><strong>Yar\u0131 iletken kaliteleri:<\/strong> ~10\u00b3\u201310\u2076 \u03a9\u00b7cm, y\u00fcksek gerilim kablo u\u00e7lar\u0131nda elektrik alan\u0131n\u0131 kontrol etmek i\u00e7in gerilim derecelendirmesinde kullan\u0131l\u0131r.<\/li>\n\n\n\n<li><strong>\u0130letken (karbon siyah\u0131 y\u00fckl\u00fc):<\/strong> 10\u2070\u201310\u00b2 \u03a9\u00b7cm, EMI\/RFI koruma contalar\u0131nda, ESD par\u00e7alar\u0131nda ve silikon tu\u015f tak\u0131mlar\u0131ndaki karbon temas noktalar\u0131nda kullan\u0131l\u0131r.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart.jpg\" alt=\"\" class=\"wp-image-16374\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Silikon diren\u00e7 s\u0131n\u0131f\u0131 kar\u015f\u0131la\u015ft\u0131rma tablosu<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130letkenli\u011fi olu\u015fturan dolgu maddesi miktar\u0131, mekanik davran\u0131\u015f\u0131 da de\u011fi\u015ftirir; iletken kaliteler genellikle daha serttir, uzama oranlar\u0131 daha d\u00fc\u015f\u00fckt\u00fcr ve dolgusuz silikona g\u00f6re s\u0131k\u0131\u015ft\u0131rma kaynakl\u0131 kal\u0131c\u0131 deformasyon sorunlar\u0131na daha yatk\u0131nd\u0131r. \u0130letkenli\u011fi bedava elde edemezsiniz; bkz. <a href=\"https:\/\/rysilicone.com\/tr\/conductive-silicone-properties\/\">iletken ve antistatik silikon \u00e7e\u015fitleri<\/a> Her dolgu seviyesindeki diren\u00e7 hedefleri ve mekanik \u00f6d\u00fcnle\u015fmeler i\u00e7in. <a href=\"https:\/\/www.astm.org\/d0257-14r21e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D257<\/a> IEC 60093 standard\u0131 hem y\u00fczey hem de hacim direncini kapsar ve bir par\u00e7a kirlendi\u011finde bu iki de\u011fer keskin bir \u015fekilde birbirinden ayr\u0131l\u0131r; bu da en \u00f6nemli ar\u0131za moduna giden k\u00f6pr\u00fcd\u00fcr.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Y\u00fczey \u0130zleme ve A\u015f\u0131nma: Y\u00fcksek Gerilim Silikonunun Ger\u00e7ekte Ba\u015far\u0131s\u0131z Oldu\u011fu Noktalar<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination.jpg\" alt=\"\" class=\"wp-image-16375\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Kirlenme alt\u0131nda silikon y\u00fczey izi<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u0131\u015f mekan y\u00fcksek gerilim (HV) par\u00e7alar\u0131nda ar\u0131zaya neden olan \u015fey nadiren k\u00fctle dielektrik dayan\u0131m\u0131d\u0131r. As\u0131l sorun y\u00fczey izlenmesidir. Kirlilik ve nem alt\u0131nda, ka\u00e7ak ak\u0131m kuru bantlar, arklar halinde yo\u011funla\u015f\u0131r ve y\u00fczey boyunca iletken bir yolu yava\u015f\u00e7a karbonla\u015ft\u0131r\u0131r. Bu iz par\u00e7ay\u0131 k\u00f6pr\u00fcledikten sonra, k\u00fctle \u00f6zdirenci \u00f6nemsiz hale gelir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Silikonun buradaki as\u0131l avantaj\u0131 hidrofobikli\u011fidir - ve \u00f6zellikle de <strong>hidrofobikli\u011fin geri kazan\u0131lmas\u0131<\/strong>. Su damlac\u0131klar\u0131 film tabakas\u0131 olu\u015fturmak yerine y\u00fczeyde kal\u0131r, bu da ka\u00e7ak ak\u0131m\u0131 d\u00fc\u015f\u00fck tutar; y\u00fczey ge\u00e7ici olarak \u0131slansa veya kirlense bile, d\u00fc\u015f\u00fck molek\u00fcl a\u011f\u0131rl\u0131kl\u0131 zincirler y\u00fczeye g\u00f6\u00e7 eder ve su iticili\u011fini geri kazand\u0131r\u0131r. Bu nedenle silikon kau\u00e7uk, y\u00fcksek gerilim izolat\u00f6rlerinde ve kablo aksesuarlar\u0131nda EPDM ve porselenin yerini alm\u0131\u015ft\u0131r. Bu, k\u00fctlesel bir \u00f6zellik de\u011fil, y\u00fczey kimyas\u0131 \u00f6zelli\u011fidir ve malzemenin daha geni\u015f hidrofobik davran\u0131\u015f\u0131yla ba\u011flant\u0131l\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ancak hidrofobiklik sonsuz de\u011fildir. S\u00fcrekli kuru bant ark\u0131 alt\u0131nda y\u00fczey a\u015f\u0131n\u0131r ve izleme direnci b\u00fcy\u00fck \u00f6l\u00e7\u00fcde dolgu maddesine ba\u011fl\u0131d\u0131r. <a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/aluminum-hydroxide\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">al\u00fcmina trihidrat (ATH)<\/a> Su sal\u0131n\u0131m\u0131 sa\u011flayarak ve koruyucu bir inorganik kal\u0131nt\u0131 olu\u015fturarak izleme ve erozyon performans\u0131n\u0131 iyile\u015ftirmek i\u00e7in \u00f6zel olarak eklenmi\u015ftir. Ge\u00e7erli testler yukar\u0131dakilerden farkl\u0131d\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/61338\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>IEC 60587<\/strong><\/a> \u2014 E\u011fimli d\u00fczlem izleme ve a\u015f\u0131nma, temel y\u00fcksek gerilim d\u0131\u015f mekan testi<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ul.com\/services\/comparative-tracking-index-cti-iec-60112\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>IEC 60112 (CTI)<\/strong><\/a> \u2014 D\u00fc\u015f\u00fck voltajl\u0131 ka\u00e7ak ak\u0131m tasar\u0131m\u0131 i\u00e7in kar\u015f\u0131la\u015ft\u0131rmal\u0131 izleme indeksi<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0495-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>ASTM D495<\/strong><\/a> \u2014 y\u00fcksek voltaj ark direnci<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u0131\u015f mekan kullan\u0131m\u0131na uygun bir par\u00e7a i\u00e7in yaln\u0131zca toplam dielektrik dayan\u0131m\u0131n\u0131 belirleyen bir ekip, ar\u0131za olas\u0131l\u0131\u011f\u0131 en d\u00fc\u015f\u00fck olan \u00f6zelli\u011fi test etmi\u015f ve ar\u0131za olas\u0131l\u0131\u011f\u0131 en y\u00fcksek olan\u0131 g\u00f6z ard\u0131 etmi\u015ftir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ya\u015flanma, K\u0131smi Bo\u015falma ve Yava\u015f S\u00fcr\u00fcklenme<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Silikonun elektriksel \u00f6zellikleri, organik kau\u00e7uklara g\u00f6re daha geni\u015f bir s\u0131cakl\u0131k aral\u0131\u011f\u0131nda (yakla\u015f\u0131k -50\u00b0C ila 200\u00b0C aras\u0131nda) diren\u00e7 veya dielektrik sabitinde \u00e7ok az de\u011fi\u015fiklikle korunur. Bu kararl\u0131l\u0131k ger\u00e7ektir ve onu se\u00e7mek i\u00e7in ge\u00e7erli bir nedendir. Sapma mekanikten kaynaklan\u0131r, elektriksel \u00f6zelliklerden de\u011fil. <a href=\"https:\/\/rysilicone.com\/tr\/chemical-properties-of-silicone\/\">kimya<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u0131zd\u0131rmazl\u0131k veya dolgu uygulamalar\u0131nda, s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu zamanla mikro bo\u015fluklar a\u00e7ar. Bu bo\u015fluklar k\u0131smi de\u015farj b\u00f6lgeleri haline gelir. K\u0131smi de\u015farj, par\u00e7ay\u0131 ilk g\u00fcn delmez; bo\u015fluk duvar\u0131ndaki polimeri yava\u015f\u00e7a a\u015f\u0131nd\u0131r\u0131r, ta ki bir yol olu\u015fana kadar - genellikle temiz bir fabrika hipot testinden y\u0131llar sonra. Par\u00e7a daha k\u00f6t\u00fc bir dielektrik dayan\u0131m\u0131na sahip olmaz. Orijinal testte hi\u00e7 g\u00f6r\u00fclmeyen bir i\u00e7 geometri geli\u015ftirir. Ekiplerin g\u00f6zden ka\u00e7\u0131rd\u0131\u011f\u0131 bo\u015fluk budur: do\u011frulama, par\u00e7ay\u0131 kal\u0131planm\u0131\u015f haliyle yakalar, par\u00e7an\u0131n son halini de\u011fil. <a href=\"https:\/\/rysilicone.com\/tr\/does-silicone-degrade-over-time\/\" target=\"_blank\" rel=\"noreferrer noopener\">ya\u015flanm\u0131\u015f ve s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tak\u0131mlar Bunu Neden Hafife Al\u0131yor?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Desen tutarl\u0131. &quot;Silikon bir yal\u0131tkand\u0131r&quot; do\u011fru, bu y\u00fczden tek bir ikili \u00f6zellik olarak ele al\u0131n\u0131yor ve \u015fartname burada sona eriyor. Ard\u0131ndan \u00fc\u00e7 \u015fey ele al\u0131nm\u0131yor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Birincisi, dielektrik dayan\u0131m\u0131 \u00f6l\u00e7eklenebilir bir sabit olarak okunur, bu nedenle kal\u0131n kesitler ince numune verilerinden tasarlan\u0131r ve g\u00fcvenlik pay\u0131 sessizce ortadan kaybolur. \u0130kincisi, y\u00fczey izleme (ger\u00e7ek d\u0131\u015f mekan ar\u0131za modu) hi\u00e7bir zaman belirtilmezken, k\u00fctle k\u0131r\u0131lmas\u0131 test edilir, \u00e7\u00fcnk\u00fc bu, \u00e7o\u011fu al\u0131c\u0131n\u0131n sormay\u0131 bilmedi\u011fi farkl\u0131 bir standart gerektirir. \u00dc\u00e7\u00fcnc\u00fcs\u00fc, par\u00e7a kal\u0131pland\u0131\u011f\u0131 haliyle nitelendirilir, bu nedenle y\u0131llar i\u00e7inde geli\u015fen k\u0131smi de\u015farj erozyonu ve s\u0131k\u0131\u015ft\u0131rma kaynakl\u0131 bo\u015fluklar do\u011frulamada asla ortaya \u00e7\u0131kmaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bunlar\u0131n hi\u00e7biri beceriksizlik de\u011fil. Sorun \u015fu ki, en \u00f6nemli \u00f6zellik kolayca bulunabiliyor, ancak di\u011fer \u00f6zellikler veri sayfas\u0131n\u0131n \u00f6n sayfas\u0131nda yer alm\u0131yor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Notumu onaylamadan \u00f6nce nelere ihtiyac\u0131m var?<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart.jpg\" alt=\"\" class=\"wp-image-16372\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Silikon elektrik s\u0131n\u0131f\u0131 se\u00e7im ak\u0131\u015f \u015femas\u0131<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elektrik kalitesi, dolgu sistemi ve k\u00fcrleme konusunda karar vermeden \u00f6nce, bu rakamlar\u0131 etkileyen ko\u015fullar\u0131 bana iletin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c7al\u0131\u015fma gerilimi, dalga bi\u00e7imi (DC \/ AC \/ darbe) ve s\u00fcrekli\/ge\u00e7ici \u00e7al\u0131\u015fma modu<\/li>\n\n\n\n<li>Tasar\u0131mda yer alan en ince yal\u0131t\u0131m duvar\u0131 b\u00f6l\u00fcm\u00fc.<\/li>\n\n\n\n<li>\u0130\u00e7 mekan veya d\u0131\u015f mekan, kirlilik\/kontaminasyon seviyesi ve nem<\/li>\n\n\n\n<li>Par\u00e7an\u0131n \u00e7al\u0131\u015fma ve en y\u00fcksek s\u0131cakl\u0131\u011f\u0131<\/li>\n\n\n\n<li>Par\u00e7an\u0131n yal\u0131t\u0131m, gerilme dayan\u0131m\u0131 (yar\u0131 iletken) veya iletkenlik \u00f6zelliklerine sahip olmas\u0131 gerekip gerekmedi\u011fi.<\/li>\n\n\n\n<li>Uyumluluk hedefleri: <a href=\"https:\/\/www.shopulstandards.com\/ProductDetail.aspx?UniqueKey=36573\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">UL 746 (RTI)<\/a>, IEC 60587 izleme s\u0131n\u0131f\u0131 ve alev ve yang\u0131n davran\u0131\u015f\u0131yla ilgili herhangi bir yan\u0131c\u0131l\u0131k derecesi.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bu bilgilerle, standart bir yal\u0131t\u0131m VMQ&#039;nun uygun olup olmad\u0131\u011f\u0131n\u0131, ATH dolgulu iz b\u0131rakmayan bir kaliteye mi ihtiyac\u0131n\u0131z oldu\u011funu veya uygulaman\u0131n yar\u0131 iletken mi yoksa iletken bir bile\u015fik mi gerektirdi\u011fini s\u00f6yleyebilirim. Voltaj, duvar kal\u0131nl\u0131\u011f\u0131 ve ortam olmadan, size verece\u011fim herhangi bir dielektrik de\u011feri, par\u00e7an\u0131z de\u011fil, bir test numunesi i\u00e7in ge\u00e7erlidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Referanslar ve Standartlar<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.astm.org\/d0149-20.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D149 \u2014 Kat\u0131 Elektrik Yal\u0131t\u0131m Malzemelerinin Dielektrik K\u0131r\u0131lma Gerilimi ve Dielektrik Dayan\u0131m\u0131<\/a> \u2014 ASTM Uluslararas\u0131<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0257-14r21e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D257 \u2014 Yal\u0131t\u0131m Malzemelerinin DC Direnci veya \u0130letkenli\u011fi<\/a> \u2014 ASTM Uluslararas\u0131<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0150-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D150 \u2014 Kat\u0131 Elektrik Yal\u0131t\u0131m\u0131n\u0131n AC Kay\u0131p \u00d6zellikleri ve Ge\u00e7irgenli\u011fi (Dielektrik Sabiti)<\/a> \u2014 ASTM Uluslararas\u0131<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0495-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D495 \u2014 Kat\u0131 Elektrik Yal\u0131t\u0131m\u0131n\u0131n Y\u00fcksek Gerilim, D\u00fc\u015f\u00fck Ak\u0131m, Kuru Ark Direnci<\/a> \u2014 ASTM Uluslararas\u0131<\/li>\n\n\n\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/61338\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">IEC 60587:2022 \u2014 Yal\u0131t\u0131m Malzemelerinin \u0130z B\u0131rakma ve A\u015f\u0131nmaya Kar\u015f\u0131 Direnci<\/a> \u2014 Uluslararas\u0131 Elektroteknik Komisyonu<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ul.com\/services\/comparative-tracking-index-cti-iec-60112\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">IEC 60112 \u2014 Kar\u015f\u0131la\u015ft\u0131rmal\u0131 \u0130zleme Endeksi (CTI)<\/a> \u2014 UL \u00c7\u00f6z\u00fcmleri<\/li>\n\n\n\n<li><a href=\"https:\/\/www.shopulstandards.com\/ProductDetail.aspx?UniqueKey=36573\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">UL 746B \u2014 Polimerik Malzemeler, Uzun Vadeli \u00d6zellik De\u011ferlendirmeleri (RTI)<\/a> \u2014 UL Standartlar\u0131 ve Kat\u0131l\u0131m\u0131<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/aluminum-hydroxide\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Al\u00fcmina Trihidrat (ATH) \/ Al\u00fcminyum Hidroksit \u2014 Alev Geciktirici Mekanizma<\/a> \u2014 ScienceDirect Konular\u0131<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Most specs treat silicone as &#8220;an insulator&#8221; \u2014 one word, one property, picked off a chart. The part passes the factory hipot test. It ships. For the first year it does exactly what the datasheet promised. Then a high-voltage termination in a coastal substation starts tracking. A busbar boot that passed dielectric testing develops a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16373,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1013],"tags":[],"class_list":["post-9538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone-properties"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/9538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/comments?post=9538"}],"version-history":[{"count":3,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/9538\/revisions"}],"predecessor-version":[{"id":18991,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/9538\/revisions\/18991"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/media\/16373"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/media?parent=9538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/categories?post=9538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/tags?post=9538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}