Graphite Crucible with Lid

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Sets set

Supply Capability:: 5000 Sets per Month set/month

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Detailed Product Description

graphite crucible is featured by fast heat conduction,long service life and low cost and the product finds good application

1.Garphite crucible can withstand the high temperature, an has good resistance to chemical erosions and thermal shock.

2.Graphite crucible is ideal for the melting of gold,silver,aluminum,copper and other metals and is also used as a tool for smelting jewelry.

Q: Melting the iron in the graphite crucible. Does the graphite in the crucible turn into carbon and it melts into the steel?: Graphite is a very pure substance, and graphite is a transition crystal. The carbon atoms in each layer of graphite are bonded by non-polar covalent bonds, and the molecular layers of graphite are joined by intermolecular forces. The melting point of the graphite crucible is 3652 to 3697 degrees (sublimation), so the graphite crucible is high temperature resistant.

Q: What are the differences between quartz crucibles and glass crucibles in appearance, properties, uses, etc.?: Personally, I think that the short duration of sodium hydroxide in the quartz bottles should be no problem. As long as the inner wall is smooth, it is important to note that the stopper must not be used to grind the plug

Q: What are the advantages of using a graphite crucible over other materials?: One advantage of using a graphite crucible over other materials is its high melting point and thermal conductivity. This allows it to withstand extremely high temperatures without cracking or deforming, making it suitable for various applications such as metal casting and melting. Additionally, graphite crucibles have excellent chemical resistance, making them resistant to corrosion by most substances. Lastly, graphite is lightweight and easy to handle, making it convenient for use in different industrial processes.

Q: Can a graphite crucible be used for iron casting?: Yes, a graphite crucible can be used for iron casting. Graphite is a commonly used material for melting and casting various metals, including iron. Graphite crucibles have excellent thermal conductivity and high temperature resistance, making them suitable for the extreme heat involved in iron casting. Additionally, graphite crucibles have good chemical resistance and do not react with molten iron, ensuring the purity of the cast iron. However, it is important to note that graphite crucibles may have limited durability and may require occasional replacement due to wear and tear from the intense heat.

Q: Why is graphite crucible smelting reducing properties of the burden is particularly vulnerable to corrosion?: Temperature, high temperature resistance of graphite crucible in general, is not easy to happen, but it is possible to make mistakes. May the general errors include: (a) graphite crucible is exposed in the atmosphere at high temperature (b) cooling too fast or quench.

Q: How do you prevent contamination from the graphite crucible during melting?: To minimize contamination from the graphite crucible during the melting process, several steps can be taken: 1. Thoroughly clean the graphite crucible before each use. This involves removing any leftover materials from previous melts, such as slag or impurities, using an appropriate cleaning agent or solvent. It is crucial to ensure that the crucible is completely dry before proceeding to the next step. 2. Apply a protective coating to the graphite crucible to prevent contamination. This can be achieved by using boron nitride or other suitable coatings, which create a barrier between the molten material and the crucible. Not only does this coating prevent the crucible from reacting with the melt, but it also facilitates easy removal of the solidified material. 3. Prior to adding the material to be melted, it is recommended to preheat the graphite crucible. This helps eliminate any remaining moisture or contaminants that may be present, thereby reducing the risk of contamination during the melting process. 4. Handle the graphite crucible with care while melting to avoid introducing contaminants. The use of appropriate tools like tongs or gloves can prevent direct contact with the crucible, therefore preventing contamination from oils, greases, or other substances present on the hands. 5. In certain cases, it may be beneficial to conduct the melting process in a controlled atmosphere to prevent contamination. This can be achieved by employing an inert gas, such as argon or nitrogen, to create a protective atmosphere around the crucible. This safeguards against oxidation or reaction with the crucible material. By adhering to these preventive measures, the risk of contamination from the graphite crucible during the melting process can be minimized, ensuring the purity and integrity of the resulting melt.

Q: Is the yellow metal in the graphite rock gold?: Not necessarily. Many minerals are also golden.Specific is not gold, you can easily test from the hardness, gold is very soft metal.

Q: How is a graphite crucible used in the manufacturing industry?: A graphite crucible is an essential tool used in the manufacturing industry for various applications. Primarily, it is used for melting and holding metals and alloys at high temperatures during the casting and molding processes. The manufacturing industry often deals with materials that have high melting points, such as steel, iron, copper, and aluminum. A graphite crucible, made from a high-purity form of carbon, is able to withstand and contain these extreme temperatures without melting or reacting with the molten metal. This is due to the unique properties of graphite, including its high thermal conductivity and resistance to chemical corrosion. During the manufacturing process, the graphite crucible is placed in a furnace or other heating device, where it is heated to the desired temperature. Once the crucible reaches the appropriate temperature, the metal or alloy is added to it, allowing it to melt. The crucible acts as a container, holding the molten metal until it is ready to be poured into a mold or used for other manufacturing processes. Graphite crucibles are also commonly used for smelting and refining processes. In these applications, impurities and unwanted elements are removed from the metal by subjecting it to high temperatures in the crucible. The crucible's high thermal conductivity ensures that the heat is evenly distributed, allowing for efficient and consistent refining. Moreover, graphite crucibles are preferred in the manufacturing industry due to their durability and longevity. They can withstand repeated use at high temperatures without cracking or deteriorating. This makes them a cost-effective choice for manufacturing processes that involve continuous melting and casting. In summary, a graphite crucible is an indispensable tool in the manufacturing industry. Its ability to withstand high temperatures, resist chemical corrosion, and provide efficient heat transfer makes it ideal for melting metals and alloys, as well as for smelting and refining processes. The durability and longevity of graphite crucibles contribute to their widespread use and effectiveness in the manufacturing industry.

Q: How do you prevent graphite crucibles from cracking or breaking?: To prevent graphite crucibles from cracking or breaking, there are several key factors to consider: 1. Proper handling: Graphite crucibles should be handled with care, avoiding any impact or rough handling that could cause stress and potential damage. Always use appropriate lifting tools and avoid dropping or hitting the crucibles against hard surfaces. 2. Controlled heating and cooling: Graphite crucibles should be heated and cooled gradually to prevent thermal shock. Sudden temperature changes can cause stress and cracks in the crucible. It is recommended to use a programmable furnace or kiln that allows for controlled and gradual temperature changes. 3. Preheating: Before using a new graphite crucible or when reusing a previously used one, it is important to preheat it slowly to remove any moisture or impurities that could cause thermal expansion and lead to cracking. This can be done by gradually increasing the temperature in the furnace. 4. Avoid overloading: Graphite crucibles have a maximum capacity that should not be exceeded. Overloading the crucible can cause excessive stress during heating and may lead to cracks or breakage. Always follow the manufacturer's recommendations regarding the maximum capacity of the crucible. 5. Avoid rapid cooling: After using a graphite crucible, it is important to allow it to cool down gradually. Avoid exposing the hot crucible to cold air or water, as rapid cooling can cause thermal shock and result in cracking. Instead, let it cool naturally in the furnace or kiln before removing it. 6. Regular maintenance: Inspect graphite crucibles regularly for any signs of wear, such as cracks, chips, or erosion. Replace any damaged crucibles immediately to avoid further damage during use. Additionally, proper cleaning and storage of crucibles when not in use can help prolong their lifespan. By following these guidelines, you can greatly reduce the risk of cracking or breaking graphite crucibles, ensuring their longevity and optimal performance in various applications.

Q: What magnetic material is sintered with large corundum crucible?: The graphite crucible is a high temperature resistant and difficult to sinter material, but the biggest problem must be used in a vacuum or a reducing atmosphere. Otherwise, graphite is easily oxidized at high temperature. And the crucibles are more expensive.

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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