High Quality Special Graphite Crucibles for Sale

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Sets set

Supply Capability:: 3000 Sets per Month set/month

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Detailed Product Description

Special Shaped Graphite products are used in various industrails,including graphite crucible and graphite seal

Special Shaped Graphite products are used in various industries.it can be used as sealing in machinery as carbon graphite material, such as the quiet ring or the moving ring, doctorblade, piston-ring, sealing expansionring and the raw materias.

Q: Can a graphite crucible be used for melting carbon-based materials?: Certainly, carbon-based materials like coal, charcoal, or carbon black can be effectively melted using a graphite crucible. Graphite, being an exceptional material for high-temperature applications due to its high melting point and excellent thermal conductivity, makes it an ideal choice for this purpose. The graphite crucible can endure the intense temperatures required for the melting process, guaranteeing a smooth and efficient melting of carbon-based substances. Furthermore, graphite crucibles are renowned for their chemical inertness, ensuring that they do not react with the carbon-based materials being melted, thus preserving the purity of the final product. In conclusion, a graphite crucible is a reliable and suitable option for the task of melting carbon-based materials.

Q: What are the considerations for selecting a crucible furnace for graphite crucibles?: When choosing a crucible furnace for graphite crucibles, there are several important factors to take into consideration. To begin with, the temperature range and heating capabilities of the furnace are crucial. Graphite crucibles are commonly used in high-temperature applications, so it is essential that the furnace can reach and maintain the required temperatures for the specific process. It is important to make sure that the furnace can achieve the desired temperature range without compromising the integrity of the crucible or the materials being processed. Another factor to consider is the atmosphere control within the furnace. Graphite crucibles can be sensitive to certain atmospheres, such as oxidizing or reducing conditions. Therefore, it is necessary to select a furnace that offers appropriate atmosphere control to prevent any undesired reactions or degradation of the crucible and the materials being processed. Additionally, the size and capacity of the furnace should be taken into account. The furnace should be able to accommodate the size of the graphite crucibles used in the process. Moreover, it should have enough capacity to hold the required number of crucibles for efficient and productive operations. The heating method employed by the furnace is another important consideration. Different heating methods, such as electric resistance, induction, or gas-fired, can have varying effects on the performance and lifespan of graphite crucibles. It is necessary to evaluate the heating method and its compatibility with graphite crucibles to ensure optimal performance and longevity. Furthermore, the overall construction and design of the furnace should be considered. The furnace should be well-insulated to minimize heat loss and energy consumption. It should also have a reliable and precise temperature control system to ensure accurate and consistent heating. Additionally, it should be user-friendly, easy to maintain, and repair. Cost is also an important factor to consider. The initial investment cost of the furnace, as well as the operational costs, should be evaluated in relation to the budget and the expected return on investment. Lastly, it is advisable to seek recommendations and advice from experts or suppliers who specialize in graphite crucibles and furnace systems. They can provide valuable insights and guidance based on their expertise and experience, helping to ensure the selection of the most suitable crucible furnace for the specific application.

Q: How do you prevent graphite crucibles from erosion during use?: To prevent graphite crucibles from erosion during use, several measures can be taken. First, maintaining proper temperature control is crucial, as extreme temperatures can accelerate erosion. Using a protective coating or glaze on the inner surface of the crucible can also help minimize erosion. Additionally, avoiding abrupt temperature changes and handling the crucible with care can prevent mechanical damage that may lead to erosion. Regular cleaning and proper handling of the crucible, such as avoiding direct contact with corrosive substances, can further extend its lifespan and minimize erosion.

Q: Melting copper slag with a graphite crucible furnace can add any flux, in order to shorten the melting time and save fuel: The more specific fuel, you can contact specific: Pingdu Hua Hua graphite factory car factory director, their factory is specializing in the production of graphite crucible manufacturers, quality is better

Q: What material does the crucible belong to?: There are several kinds of ceramics, glass and platinum, depending on the temperature of the use and the heating material

Q: Who is the melting point of graphite and diamond?: Graphite is a thermodynamically stable structure, while diamond is thermodynamically unstable. Diamond is an atomic crystal, a spatial network structure. Each layer of graphite is netted, and between layers is the intermolecular force, which is the crystal structure between the molecular crystal and the atomic crystal. But because of the bond length, the covalent bond length in the layer of graphite is longer than the bond length of the diamond, and the intermolecular force is greater. The destruction of the chemical bond requires more energy. Agree with this statement. Added, diamond heated to 1900 degrees Celsius will be converted to graphite, graphite more stable.

Q: What are the different methods of preventing thermal shock in a graphite crucible?: There are several methods that can be employed to prevent thermal shock in a graphite crucible. 1. Preheating: One of the most effective ways to prevent thermal shock is to preheat the graphite crucible before introducing it to high temperatures. By gradually increasing the temperature, the crucible can expand more evenly, reducing the risk of cracks or fractures due to sudden temperature changes. 2. Gradual cooling: Similarly, after use, it is essential to cool down the graphite crucible gradually. Placing it in a controlled environment or using a cooling chamber can help prevent rapid temperature changes, which can lead to thermal shock. 3. Avoiding direct flame contact: Exposing the graphite crucible directly to an open flame can cause localized hotspots and temperature gradients, increasing the likelihood of thermal shock. To prevent this, it is advisable to use indirect heating methods, such as placing the crucible in a furnace or using a heating mantle. 4. Insulating materials: Using insulating materials, such as ceramic fiber blankets or coatings, can help to reduce the heat transfer rate to the graphite crucible. This insulation can help mitigate sudden temperature changes and minimize the risk of thermal shock. 5. Proper handling: Careful handling of the graphite crucible is crucial to prevent thermal shock. Avoiding dropping or banging the crucible against hard surfaces can prevent potential damage and cracks. Additionally, using appropriate lifting tools or tongs designed for graphite crucibles can minimize the risk of mishandling. 6. Controlled heating and cooling rates: When subjecting the graphite crucible to high temperatures, it is important to control the heating and cooling rates. Rapid or uneven temperature changes can cause thermal stress and result in thermal shock. Employing temperature controllers or ramping up/down the temperature gradually can help reduce the likelihood of thermal shock. By implementing these methods, the risk of thermal shock in a graphite crucible can be significantly reduced, ensuring its longevity and reliability in various high-temperature applications.

Q: What are the technical specifications of graphite crucibles?: Crucible; physical and chemical index; standard parameter; test dataThe refractoriness is 1680 degrees, and the refractoriness is 1685Carbon content 38%, carbon content 41.46%Porosity less than 35% porosity is less than 32%Volume density 1.6g/cm3 volume density 1.71g/cm3The above data are referred to Qingdao Huatai graphite, hope to adopt, thank you.

Q: Can quartz ceramic crucibles instead of graphite crucibles?: Graphite heat resistance is much higher than that of quartz ceramics; graphite can be more than 2000, while the highest resistant quartz ceramics 1700 degrees.

Q: How to maintain the graphite crucible?: In this way, the graphite crucible can not be used when the graphite crucible is used, and the residue left in the graphite crucible is damaged by the graphite crucible itself

Our products are sold all over the country, and exported to America, Germany, Spain, India, Japan and Korea. Besides, we have strict management and advanced production technology. We promise we will win more clients and a larger market with honest commercial credit, high quality of products, competitive price and good service.

1. Manufacturer Overview

Location	Inner Mongolia,China (Mainland)
Year Established	2006
Annual Output Value	US$2.5 Million - US$5 Million
Main Markets	7.14% North America 7.14% South America 7.14% Eastern Europe 7.14% Southeast Asia 7.14% Africa 7.14% Oceania 7.14% Mid East 7.14% Eastern Asia 7.14% Western Europe 7.14% Central America 7.14% Northern Europe 7.14% Southern Europe 7.14% South Asia 7.14% Domestic Market
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3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Xingang,Tianjin
Export Percentage	31% - 40%
No.of Employees in Trade Department	21-50 People
Language Spoken:	English, Chinese
b) Factory Information
Factory Size:	1,000-3,000 square meters
No. of Production Lines	7
Contract Manufacturing	1,000-3,000 square meters
Product Price Range	Low and/or Average