100 oz Kerr Graphite Crucible - Tempering A Graphite Crucible

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Pieces pc

Supply Capability:: 10000 Pieces per Month pc/month

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Detailed Product Description

Graphite melting crucible

Metal type : gold , silver and brass & copper

3 Kilos melting capacity

Kerr electro melt oven

Graphite Crucible 3 Kilos, Fits Kerr Electric Auto Furnace

Item Description

Graphite Crucible 3 Kilos, Fits Electric Auto Furnace.
This is a new Graphite Crucible designed for the Hand held Melting Furnace.
Can be used for all metal types, like gold ,silver,copper etc.
This model has the groove in the top for the wire type crucible tongs.
Measurements :
Top outside diameter (mm) : 102mm
Top inside diameter (mm) : 85 mm
Height with the top (mm) : 125mm

Q: Why are there too many impurities in the gravity casting products of aluminum alloy, so they can not be welded well by argon arc welding?: The filter is not added in the casting process, some slag ran in, leading to the casting surface or internal slag, leakage or air pressure testing, due to impurities, argon arc welding welding is up to where there is always staying, not fusion. The solution, first of all to choose high purity aluminum ingots, some rural plant products do not choose, are turning or cutting scrap materials in investment, not too many impurities; secondly in the casting process, increase to two times to minimize the filtering impurities.

Q: Can graphite crucibles be used for powder compaction?: Yes, graphite crucibles can be used for powder compaction. Graphite crucibles are typically made of high-quality graphite material, which has excellent thermal conductivity and high temperature resistance. These properties make graphite crucibles suitable for various high-temperature applications, including powder compaction. During the powder compaction process, the graphite crucible can withstand high pressures and temperatures, ensuring that the powder is compacted effectively. The crucible's high thermal conductivity helps in distributing heat evenly, allowing for uniform compaction of the powder. Additionally, graphite crucibles can be easily machined into different shapes and sizes, making them versatile and adaptable for different powder compaction requirements. Their non-reactive nature with most substances also makes them suitable for handling a wide range of powders without the risk of contamination. However, it is important to consider the specific requirements of the powder being compacted and the compaction process itself. Certain powders may require specialized crucibles made of alternative materials to ensure optimal results. Therefore, it is recommended to consult with experts or conduct thorough research to determine the suitability of graphite crucibles for a particular powder compaction application.

Q: How do you determine the melting capacity of a graphite crucible?: There are several factors to take into account when determining the melting capacity of a graphite crucible. Firstly, the size and shape of the crucible are significant factors. The dimensions of the crucible directly affect the amount of molten material it can hold. Crucibles come in various sizes, so it is crucial to choose the appropriate size that matches the desired melting capacity. Secondly, the material being melted and its melting point are important considerations. Different materials require different amounts of heat energy to reach their melting point. Therefore, the melting capacity of a crucible should be determined based on the specific material being melted and its corresponding temperature. Thirdly, the quality and composition of the graphite used in the crucible play a vital role. High-quality graphite with excellent thermal conductivity and resistance to thermal shock can withstand higher temperatures and facilitate efficient heat transfer. This ultimately results in a higher melting capacity. Lastly, the melting capacity can also be influenced by the heating method and equipment used. The heating rate, maximum temperature achievable, and overall efficiency of the heating system can impact the crucible's ability to melt materials. To determine the melting capacity of a graphite crucible, one can refer to the manufacturer's specifications or seek advice from experts in the field. Additionally, conducting trial runs with small quantities of the material being melted can provide practical insights into the crucible's melting capacity. It is important to follow safety precautions and guidelines to avoid any damage to the crucible or potential hazards while determining the melting capacity.

Q: Can graphite crucibles be used for semiconductor doping?: Semiconductor doping requires the use of graphite crucibles. The semiconductor industry frequently relies on graphite crucibles because of their unique characteristics. These crucibles possess high thermal conductivity, chemical inertness, and the ability to endure high temperatures, which makes them ideal for various semiconductor manufacturing processes, including doping. Throughout the doping procedure, the crucibles serve as containers for both the dopant material and the semiconductor wafer. Their purpose is to create a stable and controlled environment for the diffusion of dopant atoms into the semiconductor material. Moreover, graphite crucibles offer excellent thermal stability, which is crucial during the doping process since it involves subjecting the wafer to elevated temperatures. The crucibles help maintain a consistent temperature, ensuring uniform doping across the semiconductor wafer. Additionally, graphite crucibles exhibit chemical inertness, meaning they do not react with either the dopant material or the semiconductor material. This is essential in preventing any contamination or undesired reactions that may affect the doping process or the quality of the semiconductor material. In summary, graphite crucibles are extensively used in semiconductor doping due to their high thermal conductivity, chemical inertness, and ability to withstand high temperatures. They create a stable and controlled environment for the doping process, guaranteeing uniform doping across the semiconductor wafer.

Q: How does the wear resistance of graphite affect the performance of a crucible?: The wear resistance of graphite plays a crucial role in determining the performance of a crucible. A crucible is a vessel used for holding and heating materials at high temperatures, often in various industrial processes. Graphite is a common material used for making crucibles due to its unique properties, such as high thermal conductivity, chemical inertness, and thermal stability. One of the main factors affecting the performance of a crucible is its ability to withstand wear and erosion caused by the intense heat and chemical reactions that occur inside it. Graphite, known for its excellent wear resistance, is capable of withstanding these harsh conditions, making it an ideal material for crucibles. The wear resistance of graphite ensures that the crucible retains its structural integrity and does not degrade or break down during use. This is particularly important as it prevents the contamination of the materials being processed or heated inside the crucible. Contamination can negatively impact the quality and purity of the final product, leading to potential financial losses and compromised performance. Additionally, the wear resistance of graphite also affects the lifespan of the crucible. A crucible with high wear resistance will last longer, resulting in reduced maintenance costs and increased efficiency in industrial processes. It allows for repeated use without the need for frequent replacement, which can be time-consuming and expensive. Moreover, the wear resistance of graphite also impacts the thermal stability of the crucible. Graphite has a high melting point and can withstand extreme temperatures without deforming or losing its structural integrity. This ensures that the crucible maintains its shape and does not crack or warp under thermal stress. The ability to withstand high temperatures is vital for processes requiring prolonged heating or exposure to intense heat. In conclusion, the wear resistance of graphite significantly influences the performance of a crucible. Its ability to withstand wear and erosion ensures the crucible's structural integrity, prevents contamination, and extends its lifespan. Furthermore, the thermal stability of graphite allows the crucible to withstand high temperatures without deforming or breaking down. Overall, the wear resistance of graphite is a critical factor in determining the efficiency and reliability of a crucible in various industrial applications.

Q: What is the conductivity of graphite and copper, iron and zinc?: Graphite and copper, iron, and zinc are electrically conductive. The conductivity and thermal conductivity are different for different grades of materials.

Q: Can graphite crucibles be used for metal casting?: Yes, graphite crucibles can be used for metal casting. Graphite is a common material used for crucibles in metal casting due to its high melting point and excellent thermal conductivity. It is particularly suitable for casting non-ferrous metals such as gold, silver, copper, and aluminum. Graphite crucibles can withstand high temperatures without cracking or deforming, making them ideal for melting and pouring molten metal. Additionally, graphite has low chemical reactivity, which prevents it from reacting with the metal being cast. This property ensures that the purity and quality of the final cast metal are maintained. However, it is important to note that graphite crucibles may not be suitable for casting certain metals with high melting points, such as steel, as they may not withstand the extreme temperatures required for melting these metals. In such cases, other materials like clay or ceramic crucibles may be more appropriate.

Q: Can graphite crucibles be used for plasma arc melting?: Graphite crucibles prove useful in plasma arc melting as they possess high thermal conductivity and resistance to high temperatures. This makes them suitable for a range of high-temperature applications. Given that plasma arc melting involves the use of an electric arc to create and sustain a plasma state, it necessitates a crucible capable of enduring the intense heat generated throughout the process. Graphite crucibles excel in this regard, as they can withstand these extreme temperatures and serve as a stable and durable container for the resulting molten material. Moreover, graphite crucibles exhibit commendable chemical resistance, enabling them to handle corrosive substances that may arise during plasma arc melting. In summary, graphite crucibles remain a prevalent and effective choice for plasma arc melting applications.

Q: What is the difference between the indirect method Zinc Oxide and the direct law Zinc Oxide?: Zinc Oxide direct process with a variety of zinc minerals or impurities as raw material;Indirect material method is obtained through Zinc Oxide metal zinc or zinc smelting.

Q: Are there any specific cleaning agents or methods recommended for graphite crucibles?: Yes, there are specific cleaning agents and methods recommended for graphite crucibles. Graphite crucibles should be cleaned using a mixture of water and potassium nitrate or hydrochloric acid. The crucible should be soaked in this solution for a specific duration and then rinsed thoroughly with water. Additionally, a soft brush can be used to remove any stubborn residue. It is important to follow the manufacturer's guidelines and safety precautions while cleaning graphite crucibles.

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1. Manufacturer Overview

Location	Guangdong,China (Mainland)
Year Established	2010
Annual Output Value
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
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Export Percentage	61% - 70%
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Factory Size:	1,000-3,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
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