{"id":11835,"date":"2025-06-03T03:41:27","date_gmt":"2025-06-03T03:41:27","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?p=11835"},"modified":"2026-02-09T09:08:48","modified_gmt":"2026-02-09T09:08:48","slug":"carbon-black-in-rubber-properties-applications-key-grades-n110-n220-n330-n550-n660","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/it\/carbon-black-in-rubber-properties-applications-key-grades-n110-n220-n330-n550-n660\/","title":{"rendered":"Guida completa al nerofumo nella gomma: propriet\u00e0 e gradi principali (N220 \u2013 N660)"},"content":{"rendered":"<p><strong>Nero di carbonio<\/strong> Il nero di carbonio \u00e8 una polvere nera fine composta principalmente da carbonio elementare sotto forma di particelle finemente suddivise. Prodotto attraverso la combustione incompleta o la decomposizione termica di idrocarburi in condizioni controllate, il nero di carbonio \u00e8 ampiamente utilizzato come riempitivo di rinforzo nei prodotti in gomma, in particolare nella produzione di pneumatici. Le prestazioni dei prodotti in gomma dipendono fortemente dalla qualit\u00e0 e dalle caratteristiche del nero di carbonio utilizzato.<\/p>\n\n\n\n<p>Questo articolo presenta le propriet\u00e0 principali dei vari gradi di carbon black e si concentra sui tipi pi\u00f9 comunemente utilizzati nelle applicazioni della gomma: N110, N220, N330, N550 e N660.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Propriet\u00e0 principali del nero di carbonio<\/strong><\/h2>\n\n\n\n<p>I gradi di carbon black si distinguono principalmente per propriet\u00e0 quali area superficiale, struttura, assorbimento di olio e prestazioni nelle mescole di gomma. Questi parametri influenzano la lavorazione, il rinforzo, l&#039;elasticit\u00e0, la conduttivit\u00e0 e la resistenza all&#039;usura. Di seguito \u00e8 riportata una tabella comparativa riassuntiva dei gradi di carbon black comunemente utilizzati nella gomma.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Indice di propriet\u00e0 del grado di nero di carbonio<\/strong><\/h3>\n\n\n\n<div style=\"overflow-x: auto; margin-bottom: 30px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); border-radius: 6px;\">\n    <table style=\"width: 100%; border-collapse: collapse; font-family: sans-serif; font-size: 14px; min-width: 800px;\">\n        <thead>\n            <tr style=\"background-color: #1a2b4b; color: white; text-align: center;\">\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Grado<\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Iodine Abs.<br><span style=\"font-size:12px; font-weight:normal;\">(g\/kg)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Oil Abs.<br><span style=\"font-size:12px; font-weight:normal;\">(10\u207b\u2075m\u00b3\/kg)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Comp. Oil Abs.<br><span style=\"font-size:12px; font-weight:normal;\">(10\u207b\u2075m\u00b3\/kg)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Intensit\u00e0 della tinta<br><span style=\"font-size:12px; font-weight:normal;\">(%)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">CTAB Area<br><span style=\"font-size:12px; font-weight:normal;\">(m\u00b2\/g)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Total Surface<br><span style=\"font-size:12px; font-weight:normal;\">(m\u00b2\/g)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Perdita di calore<br><span style=\"font-size:12px; font-weight:normal;\">(%)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">300% Modulus<br><span style=\"font-size:12px; font-weight:normal;\">(MPa)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Densit\u00e0 apparente<br><span style=\"font-size:12px; font-weight:normal;\">(kg\/m\u00b3)<\/span><\/th>\n            <\/tr>\n        <\/thead>\n        <tbody style=\"text-align: center; color: #333;\">\n            <tr style=\"background-color: #f9f9f9; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N110<\/td>\n                <td>145\u00b18<\/td><td>113\u00b16<\/td><td>91~103<\/td><td>115~131<\/td><td>112~128<\/td><td>120~134<\/td><td>\u22643,0<\/td><td>-3,1\u00b11,5<\/td><td>345\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N115<\/td>\n                <td>160\u00b18<\/td><td>113\u00b16<\/td><td>91~103<\/td><td>115~131<\/td><td>121~137<\/td><td>129~145<\/td><td>\u22643,0<\/td><td>-3.0\u00b11.5<\/td><td>345\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #f9f9f9; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N121<\/td>\n                <td>121\u00b17<\/td><td>132\u00b17<\/td><td>105~117<\/td><td>111~127<\/td><td>111~127<\/td><td>115~129<\/td><td>\u22643,0<\/td><td>0.0\u00b11.5<\/td><td>320\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N134<\/td>\n                <td>142\u00b18<\/td><td>127\u00b17<\/td><td>97~109<\/td><td>123~139<\/td><td>134~150<\/td><td>135~151<\/td><td>\u22643,0<\/td><td>-1.4\u00b11.5<\/td><td>320\u00b140<\/td>\n            <\/tr>\n            \n            <tr style=\"background-color: #eef6fc; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold; color: #1a2b4b;\">N220<\/td>\n                <td>121\u00b17<\/td><td>114\u00b16<\/td><td>92~104<\/td><td>108~124<\/td><td>103~117<\/td><td>107~121<\/td><td>\u22642,5<\/td><td>-1,9\u00b11,5<\/td><td>355\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N219<\/td>\n                <td>118\u00b17<\/td><td>78\u00b16<\/td><td>69~81<\/td><td>115~131<\/td><td>100~114<\/td><td>109~123<\/td><td>\u22642,5<\/td><td>-3.5\u00b11.5<\/td><td>440\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #f9f9f9; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N234<\/td>\n                <td>120\u00b17<\/td><td>125\u00b17<\/td><td>96~108<\/td><td>115~131<\/td><td>109~125<\/td><td>112~126<\/td><td>\u22642,5<\/td><td>0.0\u00b11.5<\/td><td>320\u00b140<\/td>\n            <\/tr>\n\n            <tr style=\"background-color: #eef6fc; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold; color: #1a2b4b;\">N330<\/td>\n                <td>82\u00b16<\/td><td>102\u00b16<\/td><td>82~94<\/td><td>96~112<\/td><td>73~85<\/td><td>72~84<\/td><td>\u22642.0<\/td><td>-0,5\u00b11,5<\/td><td>380\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N326<\/td>\n                <td>82\u00b16<\/td><td>72\u00b16<\/td><td>62~74<\/td><td>103~119<\/td><td>74~86<\/td><td>72~84<\/td><td>\u22642.0<\/td><td>-3.5\u00b11.5<\/td><td>455\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #f9f9f9; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N339<\/td>\n                <td>90\u00b16<\/td><td>120\u00b17<\/td><td>93~105<\/td><td>103~119<\/td><td>86~98<\/td><td>85~97<\/td><td>\u22642.0<\/td><td>1.0\u00b11.5<\/td><td>345\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N375<\/td>\n                <td>90\u00b16<\/td><td>114\u00b16<\/td><td>90~102<\/td><td>107~121<\/td><td>89~101<\/td><td>86~100<\/td><td>\u22642.0<\/td><td>0.5\u00b11.5<\/td><td>345\u00b140<\/td>\n            <\/tr>\n\n            <tr style=\"background-color: #eef6fc; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold; color: #1a2b4b;\">N550<\/td>\n                <td>43\u00b15<\/td><td>121\u00b17<\/td><td>80~90<\/td><td>\u2014<\/td><td>36~48<\/td><td>35~45<\/td><td>\u22641,5<\/td><td>-0,5\u00b11,5<\/td><td>360\u00b140<\/td>\n            <\/tr>\n\n            <tr style=\"background-color: #eef6fc; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold; color: #1a2b4b;\">N660<\/td>\n                <td>36\u00b15<\/td><td>90\u00b15<\/td><td>69~79<\/td><td>\u2014<\/td><td>31~43<\/td><td>30~40<\/td><td>\u22641,5<\/td><td>-2,2\u00b11,5<\/td><td>440\u00b140<\/td>\n            <\/tr>\n            <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N650<\/td>\n                <td>36\u00b15<\/td><td>122\u00b17<\/td><td>79~89<\/td><td>\u2014<\/td><td>32~44<\/td><td>31~41<\/td><td>\u22641,5<\/td><td>-0.6\u00b11.5<\/td><td>370\u00b140<\/td>\n            <\/tr>\n\n            <tr style=\"background-color: #f9f9f9; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N774<\/td>\n                <td>29\u00b15<\/td><td>72\u00b15<\/td><td>58~68<\/td><td>\u2014<\/td><td>26~38<\/td><td>25~35<\/td><td>\u22641,5<\/td><td>-3.7\u00b11.5<\/td><td>490\u00b140<\/td>\n            <\/tr>\n             <tr style=\"background-color: #fff; border-bottom: 1px solid #eee;\">\n                <td style=\"padding: 10px; font-weight: bold;\">N762<\/td>\n                <td>27\u00b15<\/td><td>65\u00b15<\/td><td>54~64<\/td><td>\u2014<\/td><td>25~37<\/td><td>24~34<\/td><td>\u22641,5<\/td><td>-4.5\u00b11.5<\/td><td>515\u00b140<\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/div>\n\n\n\n<p>Questi valori riflettono le caratteristiche superficiali e il potenziale di rinforzo di ciascun grado. Aree superficiali pi\u00f9 elevate (come nel caso di N110) solitamente comportano un rinforzo pi\u00f9 resistente, ma anche maggiori difficolt\u00e0 di lavorazione.<\/p>\n\n\n\n<div style=\"background-color: #f8f9fa; border-left: 6px solid #1a2b4b; border-radius: 4px; padding: 25px; margin: 30px 0; box-shadow: 0 2px 5px rgba(0,0,0,0.05);\">\n    <h3 style=\"margin-top: 0; margin-bottom: 15px; color: #1a2b4b; font-size: 22px; font-weight: 600;\">Looking for Reliable Carbon Black (N-Series)?<\/h3>\n    \n    <p style=\"font-size: 16px; color: #4a4a4a; line-height: 1.6; margin-bottom: 20px;\">\n        Don&#8217;t compromise on quality. We supply premium industrial-grade <strong>N220, N330, N550, and N660<\/strong> directly to rubber manufacturers worldwide.\n        <br><br>\n        <span style=\"color: #2e7d32;\">\u2714<\/span> Competitive Factory Price<br>\n        <span style=\"color: #2e7d32;\">\u2714<\/span> Consistent Quality (COA Available)<br>\n        <span style=\"color: #2e7d32;\">\u2714<\/span> Fast Global Shipping\n    <\/p>\n    \n    <a href=\"https:\/\/rawchemicalmart.com\/it\/prodotto\/nerofumo\/\" \n       style=\"background-color: #ff9900; color: #ffffff; padding: 12px 30px; text-decoration: none; border-radius: 4px; font-weight: bold; font-size: 16px; display: inline-block; transition: background-color 0.3s;\"\n       onmouseover=\"this.style.backgroundColor='#e68a00'\" \n       onmouseout=\"this.style.backgroundColor='#ff9900'\">\n       Get a Free Quote Now &rarr;\n    <\/a>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Applicazione e prestazioni dei principali carboni neri di qualit\u00e0 in gomma<\/strong><\/h2>\n\n\n\n<p>Per orientare la formulazione dei composti e la progettazione del prodotto, \u00e8 fondamentale comprendere le prestazioni e l&#039;applicazione di ogni grado di nerofumo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Confronto dettagliato dei principali gradi di gomma nera di carbonio<\/strong><\/h3>\n\n\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-86\" class=\"tablepress tablepress-id-86\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Grado<\/th><th class=\"column-2\">Applicazione<\/th><th class=\"column-3\">Uso ed effetto<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">N110<\/td><td class=\"column-2\">Utilizzato principalmente per pneumatici fuoristrada, battistrada per pneumatici pesanti, cuscinetti in gomma per ponti, nastri trasportatori e altri prodotti in gomma che richiedono un&#039;eccellente resistenza all&#039;usura.<\/td><td class=\"column-3\">L&#039;N110 \u00e8 uno dei tipi di granulometria pi\u00f9 fini tra i carbon black in gomma, offrendo un elevato rinforzo e una buona resistenza all&#039;usura. Tuttavia, presenta scarse prestazioni di lavorazione (elevato consumo energetico di miscelazione, difficile dispersione, scarsa calandratura ed estrusione), il che ne limita le applicazioni. Viene spesso utilizzato in combinazione con N220 e N330.<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">N220<\/td><td class=\"column-2\">Utilizzato nei battistrada degli pneumatici per autovetture e veicoli pesanti, nonch\u00e9 in prodotti in gomma ad alta resistenza e alta resistenza all&#039;usura come robusti nastri trasportatori e parti in gomma industriali.<\/td><td class=\"column-3\">Adatto a vari tipi di gomma. Rispetto a N330, le mescole di gomma con N220 presentano una migliore resistenza all&#039;usura (10%\u201320%), una maggiore resistenza alla trazione e allo strappo, con una certa conduttivit\u00e0. Tuttavia, presentano una maggiore resistenza al calore e una maggiore durezza.<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">N330<\/td><td class=\"column-2\">Applicato ai battistrada degli pneumatici per autovetture e camion, alle coperture dei nastri trasportatori, ai tubi flessibili e ad altri prodotti industriali in gomma che richiedono un&#039;elevata resistenza all&#039;abrasione.<\/td><td class=\"column-3\">Offre rinforzo, resistenza all&#039;usura e resistenza alla propagazione delle crepe simili a quelle dell&#039;N220. Offre inoltre buone prestazioni di estrusione, particolarmente adatte alle miscele SBR\/BR. Tuttavia, le mescole del battistrada con N330 presentano una resistenza al rotolamento relativamente pi\u00f9 elevata tra quelle della serie N300, fattore da tenere in considerazione in fase di formulazione.<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">N550<\/td><td class=\"column-2\">Utilizzato nelle tele delle carcasse degli pneumatici, nei fianchi, nelle camere d&#039;aria e nei materiali compositi per estrusione e calandratura.<\/td><td class=\"column-3\">Adatto per gomme naturali e diverse gomme sintetiche. Si disperde facilmente e offre buona rigidit\u00e0, elevata velocit\u00e0 di estrusione, ridotto rigonfiamento dello stampo e superficie liscia. I vulcanizzati presentano buone propriet\u00e0 di resistenza alle alte temperature e conduttivit\u00e0 termica. Anche il rinforzo, l&#039;elasticit\u00e0 e la resilienza sono buoni. Quando utilizzato nelle camere d&#039;aria in gomma butilica, viene spesso combinato con N660.<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">N660<\/td><td class=\"column-2\">Utilizzato nelle tele delle carcasse degli pneumatici, nelle camere d&#039;aria, negli pneumatici delle biciclette, nei tubi flessibili, nelle cinghie, nei cavi, nelle calzature, nei prodotti calandrati, nei prodotti stampati, ecc.<\/td><td class=\"column-3\">Adatto a tutti i tipi di gomma. Rispetto al nero di forno semi-rinforzante, l&#039;N660 presenta una struttura pi\u00f9 elevata e particelle pi\u00f9 fini. Si disperde facilmente e fornisce vulcanizzati con maggiore resistenza alla trazione, resistenza allo strappo e modulo elastico, mantenendo al contempo bassa deformazione, basso accumulo di calore e buona elasticit\u00e0 e resistenza alla flessione. Tuttavia, il suo allungamento \u00e8 relativamente basso.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-86 from cache --><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Selezione del giusto nero di carbonio per applicazioni in gomma<\/strong><\/h2>\n\n\n\n<p>La scelta del carbon black giusto dipende dall&#039;equilibrio desiderato tra rinforzo, lavorabilit\u00e0, resistenza al rotolamento e costo. Ad esempio:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N110<\/strong> \u00e8 ideale per <strong>massimo rinforzo<\/strong> ma \u00e8 pi\u00f9 difficile da elaborare.<\/li>\n\n\n\n<li><strong>N220<\/strong> offerte <strong>elevata resistenza all&#039;usura e robustezza<\/strong> con migliore lavorabilit\u00e0.<\/li>\n\n\n\n<li><strong>N330<\/strong> saldi <strong>prestazioni e costi<\/strong> per pneumatici multiuso.<\/li>\n\n\n\n<li><strong>N550<\/strong> E <strong>N660<\/strong> sono migliori per <strong>flessibilit\u00e0, estrusione e composti per pareti laterali<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusione<\/strong><\/h2>\n\n\n\n<p>Il nero di carbonio svolge un ruolo fondamentale nelle prestazioni dei prodotti in gomma. Ogni grado presenta caratteristiche meccaniche e di lavorazione specifiche che influenzano le propriet\u00e0 finali del composto. Comprendere <strong>Indice di propriet\u00e0 del grado di nero di carbonio<\/strong> accanto al <strong>prestazioni dell&#039;applicazione<\/strong> di ogni grado consente ai formulatori e ai produttori di ottimizzare le mescole di gomma in base alle loro esigenze specifiche.<\/p>\n\n\n\n<div style=\"border: 1px solid #e0e0e0; border-radius: 8px; overflow: hidden; max-width: 800px; margin: 40px auto; box-shadow: 0 4px 12px rgba(0,0,0,0.05); font-family: sans-serif; background-color: #fff;\">\n    <div style=\"display: flex; flex-wrap: wrap;\">\n        \n        <div style=\"flex: 1 1 300px; background-color: #f8f9fa; display: flex; align-items: center; justify-content: center; min-height: 250px; padding: 20px;\">\n            <img decoding=\"async\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/carbon_2025-01-03_8.png\" \n                 alt=\"Carbon Black N220 N330 N550 Bag\" \n                 style=\"max-width: 100%; max-height: 250px; object-fit: contain; display: block; mix-blend-mode: multiply;\">\n        <\/div>\n\n        <div style=\"flex: 1 1 350px; padding: 30px;\">\n            <p style=\"color: #999; font-size: 12px; font-weight: bold; letter-spacing: 1px; margin-bottom: 5px; text-transform: uppercase;\">Raw Material Supply<\/p>\n            <h3 style=\"margin-top: 0; color: #1a2b4b; font-size: 24px; font-weight: 700; line-height: 1.3;\">Carbon Black (Rubber Grades)<\/h3>\n            \n            <p style=\"color: #555; line-height: 1.6; margin-bottom: 20px; font-size: 15px;\">\n                High-performance reinforcing fillers for tires and industrial rubber goods. Available in N110, N220, N330, N550, and N660.\n            <\/p>\n            \n            <ul style=\"color: #555; margin-bottom: 25px; padding-left: 20px; font-size: 14px;\">\n                <li style=\"margin-bottom: 8px;\">25kg Kraft Paper Bags \/ Jumbo Bags<\/li>\n                <li style=\"margin-bottom: 8px;\">Excellent Tensile Strength &#038; Wear Resistance<\/li>\n            <\/ul>\n\n            <a href=\"https:\/\/rawchemicalmart.com\/it\/prodotto\/nerofumo\/\" \n               style=\"display: inline-block; background-color: #1a2b4b; color: white; padding: 12px 28px; text-decoration: none; border-radius: 4px; font-weight: 600; text-align: center; transition: all 0.3s;\"\n               onmouseover=\"this.style.backgroundColor='#ff9900'\" \n               onmouseout=\"this.style.backgroundColor='#1a2b4b'\">\n               View Product Details &rarr;\n            <\/a>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Il nero di carbonio \u00e8 una polvere nera fine composta principalmente da carbonio elementare sotto forma di particelle finemente suddivise. Prodotto attraverso la combustione incompleta o la decomposizione termica di idrocarburi in condizioni controllate, il nero di carbonio \u00e8 ampiamente utilizzato come riempitivo di rinforzo nei prodotti in gomma, in particolare nella produzione di pneumatici. Le prestazioni dei prodotti in gomma sono notevolmente influenzate.\n<\/p>","protected":false},"author":3,"featured_media":11840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[64],"tags":[],"class_list":["post-11835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbon-black"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Carbon Black for Rubber: Grades &amp; Properties Guide (N220-N660)<\/title>\n<meta name=\"description\" content=\"Looking for the right Carbon Black for rubber? Compare properties of N220, N330, N550 &amp; N660 in this guide. We supply high-quality grades with global shipping. 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