{"id":7199,"date":"2025-01-03T03:07:19","date_gmt":"2025-01-03T03:07:19","guid":{"rendered":"https:\/\/jinsuncarbon.com\/?post_type=product&p=7199"},"modified":"2025-01-16T00:43:23","modified_gmt":"2025-01-16T00:43:23","slug":"grafito-en-polvo-de-gran-pureza","status":"publish","type":"product","link":"https:\/\/jinsuncarbon.com\/es\/producto\/grafito-en-polvo-de-gran-pureza\/","title":{"rendered":"Grafito en polvo de gran pureza"},"content":{"rendered":"

Propiedades del polvo de grafito de gran pureza<\/h2>\n

Resistencia a altas temperaturas y conductividad t\u00e9rmica<\/strong><\/p>\n

El punto de fusi\u00f3n del grafito es de 3850\u00b150\u00b0C, y el de ebullici\u00f3n de 4250\u00b0C. El coeficiente de dilataci\u00f3n t\u00e9rmica es muy peque\u00f1o, de 1,4\u00d710^-6\/K. Esto hace que pueda reducir la p\u00e9rdida de material a altas temperaturas. Adem\u00e1s, la conductividad t\u00e9rmica del polvo de grafito de alta pureza a temperatura ambiente puede alcanzar los 2,17\u00d710^6 W\/(cm-K), este valor puede variar debido al m\u00e9todo de medici\u00f3n y a la conversi\u00f3n de unidades. Pero a\u00fan as\u00ed puede mostrar la conductividad t\u00e9rmica generalmente superior del polvo de grafito a temperatura ambiente. Debido a la alta conductividad t\u00e9rmica y resistencia a altas temperaturas del polvo de grafito, puede transferir r\u00e1pidamente el calor y reducir la acumulaci\u00f3n de calor. Adem\u00e1s, puede mantenerse estable a altas temperaturas.<\/p>\n

El\u00e9ctrico:<\/strong> Debido a su especial estructura cristalina, el grafito tiene una buena conductividad el\u00e9ctrica. Cuanto mayor es la pureza del grafito, menor es el tama\u00f1o de las part\u00edculas y mayor es la conductividad. As\u00ed, nuestro polvo de grafito de alta pureza es capaz de proporcionar una excelente conductividad el\u00e9ctrica.<\/p>\n

Lubricidad:<\/strong> El polvo de grafito de alta pureza contiene menos impurezas, lo que proporciona una mejor lubricaci\u00f3n y reduce la fricci\u00f3n y el desgaste. Las part\u00edculas de grafito de alta pureza tienen m\u00e1s probabilidades de formar una pel\u00edcula lubricante uniforme, reduciendo as\u00ed el contacto entre superficies mec\u00e1nicas. Cuanto mayor es la escama, menor es el coeficiente de fricci\u00f3n y mejor es el rendimiento de la lubricaci\u00f3n.<\/p>\n

Estabilidad qu\u00edmica:<\/strong> grafito<\/a> tiene una buena estabilidad qu\u00edmica a temperatura ambiente. Y puede resistir la corrosi\u00f3n por \u00e1cidos, \u00e1lcalis y disolventes org\u00e1nicos.<\/p>\n

 <\/p>\n

Aplicaciones del polvo de grafito de alta pureza<\/h2>\n

Lubricante:<\/strong> Debido a su bajo coeficiente de fricci\u00f3n y a su estructura laminar, el polvo de grafito se utiliza a menudo como lubricante seco, especialmente en entornos de alta temperatura o alto vac\u00edo. Se utiliza mucho en la lubricaci\u00f3n de piezas mec\u00e1nicas, como rodamientos y engranajes.<\/p>\n

Industria metal\u00fargica:<\/strong> Polvo de grafito<\/a> tambi\u00e9n es un agente reductor habitual en la industria metal\u00fargica. Ayuda a eliminar las impurezas de los metales y a mejorar su pureza, dureza y resistencia. Adem\u00e1s, tambi\u00e9n es un aditivo de aleaci\u00f3n para siderurgia<\/a> y metales no ferrosos.<\/p>\n

Materiales ign\u00edfugos:<\/strong> Algunos tipos de grafito en polvo pueden a\u00f1adirse a los materiales ign\u00edfugos para mejorar su resistencia al fuego.<\/p>\n

Agente de colada y desmoldeo:<\/strong> Durante el fundici\u00f3n<\/a> el polvo de grafito act\u00faa como capa aislante. Evita que el metal se pegue al molde y garantiza un desmoldeo suave. En la fabricaci\u00f3n de moldes, tambi\u00e9n act\u00faa como agente desmoldeante com\u00fan.<\/p>\n

Resistente a la corrosi\u00f3n y material de sellado:<\/strong> El polvo de grafito tambi\u00e9n es habitual en los materiales de sellado. Como polvo de gran (sellado de grasa antiadherente). La gente lo utiliza ampliamente en barcos, aviones, locomotoras y otras grandes superficies de uni\u00f3n met\u00e1lica de maquinaria, piezas de conexi\u00f3n de bridas del sellado y antiadherente. La excelente resistencia a la corrosi\u00f3n permite al grafito mantener durante mucho tiempo un rendimiento de sellado eficaz en entornos dif\u00edciles. Por eso tambi\u00e9n son habituales en las industrias qu\u00edmica y petrolera.<\/p>\n

Industria ligera:<\/strong> El polvo de grafito es un agente pulidor y antioxidante para la fabricaci\u00f3n de vidrio y papel en la industria ligera. Tambi\u00e9n es una materia prima indispensable para la fabricaci\u00f3n de l\u00e1pices, tinta, pintura negra, tinta y diamantes sint\u00e9ticos, etc.<\/p>\n

Industria qu\u00edmica:<\/strong> El grafito en polvo se utiliza para fabricar equipos qu\u00edmicos como intercambiadores de calor y tanques de reacci\u00f3n. Tambi\u00e9n puede actuar como lubricante de liberaci\u00f3n para la producci\u00f3n de catalizadores en la industria de los fertilizantes.<\/p>\n

 <\/p>\n

Adem\u00e1s, el polvo de grafito tambi\u00e9n se puede utilizar como pigmento y material de revestimiento, lubricante en la producci\u00f3n de cables y para la producci\u00f3n de resistencia de la pel\u00edcula de carbono, matriz seca conductora. En general, el uso del grafito en polvo es muy amplio, abarcando casi todos los \u00e1mbitos de la producci\u00f3n industrial.<\/p>","protected":false},"excerpt":{"rendered":"

El polvo de grafito de alta pureza es un polvo de grafito con una pureza (contenido de carbono) superior al 99,9%. Bajo la condici\u00f3n de aislamiento de ox\u00edgeno, el punto de fusi\u00f3n del grafito en polvo es superior a 3000 \u00b0 C, lo que lo convierte en uno de los minerales m\u00e1s resistentes a la temperatura. Adem\u00e1s, el polvo de grafito tiene propiedades qu\u00edmicas relativamente estables a temperatura ambiente.<\/p>\n

El polvo de grafito de gran pureza puede utilizarse como lubricante, electrodo, material refractario y material compuesto.<\/p>","protected":false},"featured_media":7200,"template":"","meta":[],"product_brand":[],"product_cat":[67],"product_tag":[],"class_list":{"0":"post-7199","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-graphite-material","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nHigh Purity Graphite Powder | Jinsun Carbon<\/title>\n<meta name=\"description\" content=\"High purity graphite powder manufacturer in China, with a purity (carbon content) of more than 99.9%, widely used for lubricants, electrodes, refractory materials.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jinsuncarbon.com\/es\/producto\/grafito-en-polvo-de-gran-pureza\/\" \/>\n<meta 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