{"id":9080,"date":"2025-09-10T08:48:33","date_gmt":"2025-09-10T08:48:33","guid":{"rendered":"https:\/\/chromeclair.com\/?p=9080"},"modified":"2025-09-10T08:48:36","modified_gmt":"2025-09-10T08:48:36","slug":"what-is-a-pigment-index","status":"publish","type":"post","link":"https:\/\/chromeclair.com\/es\/what-is-a-pigment-index\/","title":{"rendered":"\u00bfQu\u00e9 es un \u00edndice de pigmentaci\u00f3n?"},"content":{"rendered":"<p>Cuando los proveedores de pigmentos anteriores a los recubrimientos suministran pigmentos, cada pigmento tiene su correspondiente n\u00famero de \u00edndice CI. Cuando los clientes de revestimientos posteriores solicitan colores espec\u00edficos, cada color tambi\u00e9n tiene su correspondiente n\u00famero de \u00edndice Pantone. Tanto el \u00edndice CI como el \u00edndice Pantone se utilizan para distinguir colores, as\u00ed que \u00bfcu\u00e1les son sus diferencias y conexiones?<\/p>\n\n\n\n<p><strong>01 Tintes y pigmentos<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Los tintes son agentes colorantes con fuertes efectos tint\u00f3reos o fluorescentes que dan color a los materiales mediante la absorci\u00f3n selectiva de la luz.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-1024x616.webp\" alt=\"\" class=\"wp-image-9081\" srcset=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-1024x616.webp 1024w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-300x181.webp 300w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-768x462.webp 768w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-1536x925.webp 1536w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-2048x1233.webp 2048w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-18x12.webp 18w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-990x596.webp 990w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-441x265.webp 441w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-800x482.webp 800w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-150x90.webp 150w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1-1-500x301.webp 500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Solubles en agua o disolventes org\u00e1nicos, muestran afinidad por el sustrato, adhiri\u00e9ndose mediante enlaces i\u00f3nicos o de hidr\u00f3geno para impartir color con cierta solidez al te\u00f1ido. Se utilizan principalmente en textiles, cuero, alimentos, cosm\u00e9ticos y otros campos.<\/p>\n\n\n\n<p>Los pigmentos son sustancias coloreadas insolubles en part\u00edculas que proporcionan efectos de color mediante la absorci\u00f3n o dispersi\u00f3n selectiva de la luz, manteniendo su estructura cristalina o granular durante todo el proceso de coloraci\u00f3n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-1024x616.webp\" alt=\"\" class=\"wp-image-9082\" srcset=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-1024x616.webp 1024w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-300x181.webp 300w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-768x462.webp 768w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-1536x925.webp 1536w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-2048x1233.webp 2048w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-18x12.webp 18w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-990x596.webp 990w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-441x265.webp 441w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-800x482.webp 800w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-150x90.webp 150w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/3-13-500x301.webp 500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Los pigmentos suelen dispersarse en un soporte o sustrato para su aplicaci\u00f3n, como en la fabricaci\u00f3n de pinturas, tintas, pl\u00e1sticos y productos similares.<\/p>\n\n\n\n<p><strong>02 \u00cdndice de pigmento (o tinte)<\/strong><strong><\/strong><\/p>\n\n\n\n<p>El \u00cdndice de Color (IC) es un sistema de clasificaci\u00f3n normalizado para la industria mundial de tintes y pigmentos. Publicado y mantenido conjuntamente por la Society of Dyers and Colourists (SDC) del Reino Unido y la American Association of Textile Chemists and Colorists (AATCC) de Estados Unidos, su objetivo es resolver la confusi\u00f3n en la nomenclatura comercial y lograr una gesti\u00f3n normalizada de los colorantes.<\/p>\n\n\n\n<p><strong>1) \u00cdndice de color Nombre gen\u00e9rico (CIGN)<\/strong><strong><\/strong><\/p>\n\n\n\n<p>La CIGN describe los productos comerciales a trav\u00e9s de su categor\u00eda de aplicaci\u00f3n reconocida, su tonalidad y su n\u00famero de serie. El formato de denominaci\u00f3n es:<strong>&nbsp;CI + Categor\u00eda de aplicaci\u00f3n + Color + N\u00famero de serie. <\/strong>La categor\u00eda de aplicaci\u00f3n identifica el tipo de colorante, como Pigmento o Tina (colorante reductor). El color identifica el tono b\u00e1sico del colorante, como amarillo, rojo o negro. El n\u00famero de serie identifica el n\u00famero de secuencia registrado del pigmento. Los productos pigmentarios que comparten la misma designaci\u00f3n poseen estructuras qu\u00edmicas id\u00e9nticas en sus componentes pigmentarios.<\/p>\n\n\n\n<p>Ejemplos de nombres: C.I. Pigmento Amarillo 1, C.I. Pigmento Amarillo 3, C.I. Pigmento Rojo 3, C.I. Pigmento Negro 11. Estos nombres a veces se abrevian directamente como PY 1, PY 3, PR 3, PB 11. Tanto el pigmento azul como el pigmento negro se abrevian como PB. Para evitar confusiones, el pigmento azul se abrevia como PB, mientras que el pigmento negro se abrevia como PBk.<\/p>\n\n\n\n<p><strong>2) N\u00famero de Constituci\u00f3n del \u00cdndice de Color (CICN)<\/strong><strong><\/strong><\/p>\n\n\n\n<p>En el caso de algunos pigmentos cuyas estructuras qu\u00edmicas han sido publicadas, se les asignar\u00e1 un n\u00famero de cinco cifras. Por ejemplo, PY 1 corresponde a CICN 11680, y PY 3 a CICN 11710. Las estructuras de los pigmentos correspondientes a CI 11680 y CI 11710 se muestran en la siguiente figura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1024x616.jpg\" alt=\"\" class=\"wp-image-9083\" srcset=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1024x616.jpg 1024w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-300x181.jpg 300w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-768x462.jpg 768w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-1536x925.jpg 1536w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-2048x1233.jpg 2048w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-18x12.jpg 18w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-990x596.jpg 990w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-441x265.jpg 441w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-800x482.jpg 800w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-150x90.jpg 150w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/1-500x301.jpg 500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-1024x616.jpg\" alt=\"\" class=\"wp-image-9084\" srcset=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-1024x616.jpg 1024w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-300x181.jpg 300w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-768x462.jpg 768w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-1536x925.jpg 1536w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-2048x1233.jpg 2048w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-18x12.jpg 18w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-990x596.jpg 990w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-441x265.jpg 441w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-800x482.jpg 800w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-150x90.jpg 150w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/2-1-500x301.jpg 500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>En 1997, con la proliferaci\u00f3n de colorantes con estructuras qu\u00edmicas diversas -especialmente los tintes monoazo-, los n\u00fameros CI de cinco d\u00edgitos parec\u00edan insuficientes. En consecuencia, el sistema de numeraci\u00f3n CI se ampli\u00f3 a seis d\u00edgitos. Por ejemplo, el n\u00famero CICN del amarillo de vanadato de bismuto (PY 184) es 771740.<\/p>\n\n\n\n<p><strong>3) Designaci\u00f3n de colon<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Se utilizan dos puntos \"\uff1a\" para indicar peque\u00f1as variaciones en los n\u00fameros de pigmento, como el azul de ftalocianina PB 15, PB 15:1, PB 15:2 y PB 15:3. Sus n\u00fameros CICN correspondientes son 74160, 74160:1, 74160:2 y 74160:3. Sus n\u00fameros CICN correspondientes son 74160, 74160:1, 74160:2 y 74160:3. Estos \u00edndices indican pigmentos con estructuras qu\u00edmicas id\u00e9nticas o casi id\u00e9nticas, pero formas cristalinas diferentes.<\/p>\n\n\n\n<p>PB 15 presenta la forma cristalina \u03b1 fundamental, mostrando una tonalidad azul de fase roja. Sin embargo, esta forma es inestable y se transforma en la fase \u03b2 a altas temperaturas o en disolventes, provocando cambios de fase en el color. PB 15:1 es una forma de fase \u03b1 estable. La sustituci\u00f3n parcial del \u00e1tomo de cloro mejora la estabilidad de la fase \u03b1, preservando el color azul de la fase roja y reduciendo la tendencia a la transformaci\u00f3n de fase. PB 15:2 es una forma de fase \u03b1 amorfa. El tratamiento de la superficie de la resina altera la cristalinidad, mejorando las propiedades de dispersi\u00f3n y antifloculaci\u00f3n. PB 15:3 es la forma m\u00e1s com\u00fan en revestimientos. Es una forma de fase \u03b2 que presenta un color azul de fase verde. Esta fase es la m\u00e1s estable y ofrece una excelente resistencia a la intemperie y al calor.<\/p>\n\n\n\n<p><strong>03 \u00cdndice Pantone<\/strong><strong><\/strong><\/p>\n\n\n\n<p>El \u00cdndice Pantone hace referencia al Pantone Matching System (PMS) y a sus muestras de color, bibliotecas y herramientas asociadas. El \u00cdndice Pantone es una amplia biblioteca de referencia de colores estandarizada que asigna un n\u00famero \u00fanico a cada color. Es el sistema de correspondencia de colores directos m\u00e1s utilizado y autorizado del mundo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"436\" src=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-1024x436.webp\" alt=\"\" class=\"wp-image-9085\" srcset=\"https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-1024x436.webp 1024w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-300x128.webp 300w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-768x327.webp 768w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-1536x654.webp 1536w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-2048x871.webp 2048w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-18x8.webp 18w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-990x421.webp 990w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-441x188.webp 441w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-800x340.webp 800w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-150x64.webp 150w, https:\/\/chromeclair.com\/wp-content\/uploads\/2025\/09\/4-14-500x213.webp 500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>El \u00edndice Pantone proporciona un lenguaje de comunicaci\u00f3n del color unificado y estandarizado para dise\u00f1adores, fabricantes, impresores, marcas, etc. Cuando un dise\u00f1ador especifica un n\u00famero de color Pantone (como \"Pantone 277 C\"), las imprentas, los proveedores de tejidos, los fabricantes de pinturas y otras entidades de todo el mundo pueden localizar exactamente el mismo color bas\u00e1ndose en este n\u00famero est\u00e1ndar para la producci\u00f3n, lo que garantiza la uniformidad del color.<\/p>\n\n\n\n<p>El n\u00facleo de Pantone reside en los colores directos. Las tintas planas se producen utilizando tintas espec\u00edficas premezcladas (o tintes, pinturas) en lugar de simularlas mediante la superposici\u00f3n de medios tonos de cuatricrom\u00eda CMYK. Las tintas planas ofrecen una mayor precisi\u00f3n, viveza y uniformidad, y no se ven afectadas por los ajustes de la m\u00e1quina de impresi\u00f3n ni por las variaciones del monitor. Son especialmente adecuados para aplicaciones que exigen un ajuste preciso del color, como los colores de identidad de marca y los envases emblem\u00e1ticos. Por ejemplo, el Pantone 277 C de la gu\u00eda de colores Pantone se formula utilizando las tres tintas siguientes en las proporciones especificadas:<\/p>\n\n\n\n<p><strong>PANTONE Pro. Azul 3.42<\/strong><strong><\/strong><\/p>\n\n\n\n<p><strong>PANTONE Violeta v.2 1.69<\/strong><strong><\/strong><\/p>\n\n\n\n<p><strong>PANTONE HD Ext.&nbsp; &nbsp; &nbsp;&nbsp;<\/strong><strong>94.89<\/strong><\/p>\n\n\n\n<p>El \u00cdndice Pantone abarca pr\u00e1cticamente todos los campos que requieren un control preciso del color, como el dise\u00f1o gr\u00e1fico y la impresi\u00f3n, el textil y la confecci\u00f3n, los pl\u00e1sticos, los revestimientos, las tintas y el dise\u00f1o de productos.<\/p>\n\n\n\n<p><strong>04 Diferencias entre el \u00edndice CI y el \u00edndice Pantone<\/strong><strong><\/strong><\/p>\n\n\n\n<p>El \u00cdndice CI se centra en los pigmentos o tintes, asignando un n\u00famero \u00fanico a cada colorante en funci\u00f3n de su estructura qu\u00edmica.<\/p>\n\n\n\n<p>El \u00cdndice Pantone est\u00e1 dise\u00f1ado para los colores, asignando un n\u00famero \u00fanico a cada color dentro del Sistema de Correspondencias Pantone. Estos colores pueden ser la tonalidad de un \u00fanico pigmento o tinte, o un color creado mezclando m\u00faltiples materiales de un solo color en proporciones espec\u00edficas. Dado que Pantone utiliza un n\u00famero limitado de colores base, la gran mayor\u00eda de las entradas del \u00cdndice Pantone son tonos creados mezclando estos colores base.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cuando los proveedores de pigmentos anteriores a los recubrimientos suministran pigmentos, cada pigmento tiene su correspondiente n\u00famero de \u00edndice CI. Cuando los clientes de revestimientos posteriores solicitan colores espec\u00edficos, cada color tambi\u00e9n tiene su correspondiente n\u00famero de \u00edndice Pantone. Tanto el \u00edndice CI como el \u00edndice Pantone se utilizan para distinguir colores, as\u00ed que \u00bfcu\u00e1les son sus diferencias y conexiones? 01 Colorantes y [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9080","post","type-post","status-publish","format-standard","hentry","category-gel-polish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a pigment index?<\/title>\n<meta name=\"description\" content=\"When pigment suppliers upstream of the coatings supply pigments, each pigment has its corresponding CI index number. When downstream coating customers request specific colors, each color also has its corresponding Pantone index number. 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