{"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":"negro-de-humo-en-aplicaciones-de-propiedades-de-caucho-grados-clave-n110-n220-n330-n550-n660","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/es\/negro-de-humo-en-aplicaciones-de-propiedades-de-caucho-grados-clave-n110-n220-n330-n550-n660\/","title":{"rendered":"Gu\u00eda completa sobre el negro de humo en el caucho: propiedades y grados clave (N220 \u2013 N660)"},"content":{"rendered":"<p><strong>Negro carb\u00f3n<\/strong> Es un polvo negro fino compuesto principalmente de carbono elemental en forma de part\u00edculas finamente divididas. Producido mediante la combusti\u00f3n incompleta o la descomposici\u00f3n t\u00e9rmica de hidrocarburos en condiciones controladas, el negro de humo se utiliza ampliamente como relleno de refuerzo en productos de caucho, especialmente en la fabricaci\u00f3n de neum\u00e1ticos. El rendimiento de los productos de caucho depende en gran medida del grado y las caracter\u00edsticas del negro de humo utilizado.<\/p>\n\n\n\n<p>Este art\u00edculo presenta las propiedades clave de varios grados de negro de humo y se centra en los tipos com\u00fanmente utilizados en aplicaciones de caucho: N110, N220, N330, N550 y N660.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Propiedades clave del negro de carb\u00f3n<\/strong><\/h2>\n\n\n\n<p>Los grados de negro de humo se distinguen principalmente por propiedades como el \u00e1rea superficial, la estructura, la absorci\u00f3n de aceite y el rendimiento en compuestos de caucho. Estos par\u00e1metros afectan el procesamiento, el refuerzo, la elasticidad, la conductividad y la resistencia al desgaste. A continuaci\u00f3n, se presenta una tabla comparativa resumida de los grados de negro de humo m\u00e1s utilizados en caucho.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00cdndice de propiedades del grado de negro de carb\u00f3n<\/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;\">Calificaci\u00f3n<\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Absorci\u00f3n de yodo.<br><span style=\"font-size:12px; font-weight:normal;\">(g\/kg)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Abdominales con aceite.<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;\">Absorci\u00f3n de aceite de compresi\u00f3n.<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;\">Intensidad del tinte<br><span style=\"font-size:12px; font-weight:normal;\">(%)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">\u00c1rea CTAB<br><span style=\"font-size:12px; font-weight:normal;\">(m\u00b2\/g)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Superficie total<br><span style=\"font-size:12px; font-weight:normal;\">(m\u00b2\/g)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">P\u00e9rdida de calor<br><span style=\"font-size:12px; font-weight:normal;\">(%)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">M\u00f3dulo 300%<br><span style=\"font-size:12px; font-weight:normal;\">(MPa)<\/span><\/th>\n                <th style=\"padding: 12px 8px; border: 1px solid #e0e0e0;\">Densidad aparente<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 \u00b1 1,5<\/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 \u00b1 1,5<\/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 \u00b1 1,5<\/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 \u00b1 1,5<\/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 \u00b1 1,5<\/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>Estos valores reflejan las caracter\u00edsticas superficiales y el potencial de refuerzo de cada grado. Las \u00e1reas superficiales m\u00e1s altas (como en el caso del N110) suelen implicar un refuerzo m\u00e1s fuerte, pero tambi\u00e9n mayores dificultades de procesamiento.<\/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;\">\u00bfBusca un negro de humo fiable (serie N)?<\/h3>\n    \n    <p style=\"font-size: 16px; color: #4a4a4a; line-height: 1.6; margin-bottom: 20px;\">\n        No comprometa la calidad. Suministramos productos industriales de primera calidad. <strong>N220, N330, N550 y N660<\/strong> directamente a los fabricantes de caucho de todo el mundo.\n        <br><br>\n        <span style=\"color: #2e7d32;\">\u2714<\/span> Precio de f\u00e1brica competitivo<br>\n        <span style=\"color: #2e7d32;\">\u2714<\/span> Calidad constante (certificado de an\u00e1lisis disponible)<br>\n        <span style=\"color: #2e7d32;\">\u2714<\/span> Env\u00edos r\u00e1pidos a nivel mundial\n    <\/p>\n    \n    <a href=\"https:\/\/rawchemicalmart.com\/es\/producto\/negro-carbon\/\" \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       Obt\u00e9n un presupuesto gratuito ahora \u2192\n    <\/a>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Aplicaci\u00f3n y rendimiento de los principales negros de humo de grado caucho<\/strong><\/h2>\n\n\n\n<p>Para orientar la formulaci\u00f3n de compuestos y el dise\u00f1o de productos, es crucial comprender el rendimiento y la aplicaci\u00f3n de cada grado de negro de humo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Comparaci\u00f3n detallada de los principales grados de negro de humo de caucho<\/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\">Calificaci\u00f3n<\/th><th class=\"column-2\">Solicitud<\/th><th class=\"column-3\">Uso y efecto<\/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\">Se utiliza principalmente para neum\u00e1ticos todoterreno, bandas de rodadura de neum\u00e1ticos de servicio pesado, almohadillas de caucho para puentes, cintas transportadoras y otros productos de caucho que requieren una excelente resistencia al desgaste.<\/td><td class=\"column-3\">El N110 es uno de los negros de humo de caucho con mayor tama\u00f1o de part\u00edcula, ofreciendo un alto refuerzo y buena resistencia al desgaste. Sin embargo, presenta un bajo rendimiento de procesamiento (alto consumo de energ\u00eda de mezcla, dispersi\u00f3n dif\u00edcil, calandrado y extrusi\u00f3n deficientes), lo que limita sus aplicaciones. Se utiliza a menudo en combinaci\u00f3n con el N220 y el N330.<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">N220<\/td><td class=\"column-2\">Se utiliza en bandas de rodadura de neum\u00e1ticos de veh\u00edculos pesados y de pasajeros, as\u00ed como en productos de caucho de alta resistencia y alta resistencia al desgaste, como cintas transportadoras resistentes y piezas de caucho industriales.<\/td><td class=\"column-3\">Adecuado para diversos cauchos. En comparaci\u00f3n con el N330, los compuestos de caucho con N220 ofrecen una mejor resistencia al desgaste (10%\u201320%), mayor resistencia a la tracci\u00f3n y al desgarro, adem\u00e1s de cierta conductividad. Sin embargo, presentan mayor acumulaci\u00f3n de calor y dureza.<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">N330<\/td><td class=\"column-2\">Se aplica en bandas de rodadura de neum\u00e1ticos de pasajeros y camiones, cubiertas de cintas transportadoras, mangueras y otros productos de caucho industriales que requieren alta resistencia a la abrasi\u00f3n.<\/td><td class=\"column-3\">Proporciona refuerzo, resistencia al desgaste y resistencia al agrietamiento similar al N220. Adem\u00e1s, presenta un buen rendimiento de extrusi\u00f3n, siendo especialmente adecuado para mezclas de SBR\/BR. Sin embargo, los compuestos de banda de rodadura con N330 presentan una resistencia a la rodadura relativamente mayor que la serie N300, lo cual debe considerarse durante la formulaci\u00f3n.<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">N550<\/td><td class=\"column-2\">Se utiliza en capas de carcasas de neum\u00e1ticos, paredes laterales, c\u00e1maras de aire, as\u00ed como en materiales compuestos de extrusi\u00f3n y calandrado.<\/td><td class=\"column-3\">Adecuado para cauchos naturales y sint\u00e9ticos. Se dispersa f\u00e1cilmente y proporciona buena rigidez, alta velocidad de extrusi\u00f3n, bajo hinchamiento de la matriz y superficie lisa. Los vulcanizados tienen buenas propiedades de alta temperatura y conductividad t\u00e9rmica. Tambi\u00e9n presentan buen refuerzo, elasticidad y resiliencia. En c\u00e1maras de caucho but\u00edlico, se suele combinar con N660.<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">N660<\/td><td class=\"column-2\">Se utiliza en carcasas de neum\u00e1ticos, c\u00e1maras de aire, neum\u00e1ticos de bicicletas, mangueras, cinturones, cables, calzado, productos calandrados, art\u00edculos moldeados, etc.<\/td><td class=\"column-3\">Apto para todo tipo de caucho. En comparaci\u00f3n con el caucho negro de horno semirreforzado, el N660 presenta una estructura m\u00e1s alta y part\u00edculas m\u00e1s finas. Se dispersa f\u00e1cilmente y proporciona vulcanizados con mayor resistencia a la tracci\u00f3n, resistencia al desgarro y m\u00f3dulo, a la vez que mantiene baja deformaci\u00f3n, baja acumulaci\u00f3n de calor y buena elasticidad y resistencia a la flexi\u00f3n. Sin embargo, su elongaci\u00f3n es relativamente baja.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-86 from cache --><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Selecci\u00f3n del negro de humo adecuado para aplicaciones de caucho<\/strong><\/h2>\n\n\n\n<p>La elecci\u00f3n del negro de humo adecuado depende del equilibrio deseado entre refuerzo, procesabilidad, resistencia a la rodadura y coste. Por ejemplo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N110<\/strong> es ideal para <strong>refuerzo m\u00e1ximo<\/strong> pero es m\u00e1s dif\u00edcil de procesar.<\/li>\n\n\n\n<li><strong>N220<\/strong> ofertas <strong>Alta resistencia al desgaste y fuerza<\/strong> con mejor procesabilidad.<\/li>\n\n\n\n<li><strong>N330<\/strong> saldos <strong>rendimiento y costo<\/strong> Para neum\u00e1ticos de uso general.<\/li>\n\n\n\n<li><strong>N550<\/strong> y <strong>N660<\/strong> son mejores para <strong>Flexibilidad, extrusi\u00f3n y compuestos de paredes laterales<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusi\u00f3n<\/strong><\/h2>\n\n\n\n<p>El negro de humo desempe\u00f1a un papel fundamental en el rendimiento de los productos de caucho. Cada grado aporta caracter\u00edsticas mec\u00e1nicas y de procesamiento distintivas que influyen en las propiedades finales del compuesto. Comprender... <strong>\u00cdndice de propiedades del grado de negro de carb\u00f3n<\/strong> Junto a la <strong>rendimiento de la aplicaci\u00f3n<\/strong> de cada grado permite a los formuladores y fabricantes optimizar los compuestos de caucho para sus necesidades espec\u00edficas.<\/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=\"Bolsa de carb\u00f3n negro N220 N330 N550\" \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;\">Suministro de materia prima<\/p>\n            <h3 style=\"margin-top: 0; color: #1a2b4b; font-size: 24px; font-weight: 700; line-height: 1.3;\">Negro de humo (grados de caucho)<\/h3>\n            \n            <p style=\"color: #555; line-height: 1.6; margin-bottom: 20px; font-size: 15px;\">\n                Rellenos de refuerzo de alto rendimiento para neum\u00e1ticos y productos de caucho industrial. Disponibles en N110, N220, N330, N550 y N660.\n            <\/p>\n            \n            <ul style=\"color: #555; margin-bottom: 25px; padding-left: 20px; font-size: 14px;\">\n                <li style=\"margin-bottom: 8px;\">Bolsas de papel Kraft de 25 kg \/ Bolsas Jumbo<\/li>\n                <li style=\"margin-bottom: 8px;\">Excelente resistencia a la tracci\u00f3n y al desgaste.<\/li>\n            <\/ul>\n\n            <a href=\"https:\/\/rawchemicalmart.com\/es\/producto\/negro-carbon\/\" \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               Ver detalles del producto \u2192\n            <\/a>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">El negro de humo es un polvo negro fino compuesto principalmente de carbono elemental en forma de part\u00edculas finamente divididas. Producido mediante la combusti\u00f3n incompleta o la descomposici\u00f3n t\u00e9rmica de hidrocarburos en condiciones controladas, el negro de humo se utiliza ampliamente como relleno de refuerzo en productos de caucho, especialmente en la fabricaci\u00f3n de neum\u00e1ticos. El rendimiento de los productos de caucho...\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? 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