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: Are there any safety precautions to take when using a graphite crucible?: Yes, there are several safety precautions to take when using a graphite crucible. Firstly, it is important to handle the crucible with care and avoid dropping it or hitting it against hard surfaces. Graphite crucibles are relatively fragile and can crack or break easily if mishandled, which can lead to injury or damage to equipment. Secondly, graphite crucibles should be stored in a dry and clean area to prevent any contamination or chemical reactions. Moisture or impurities can cause the crucible to degrade or react with the materials being heated, compromising its integrity and potentially causing accidents or failures. Additionally, it is crucial to use appropriate personal protective equipment (PPE) when working with a graphite crucible. This includes wearing heat-resistant gloves, goggles, and a lab coat or protective clothing to shield against heat and potential splashes or spills. When heating or cooling the crucible, it is recommended to do so gradually to avoid thermal shock. Rapid temperature changes can cause the crucible to crack or break, resulting in possible injury or damage. Furthermore, it is essential to be mindful of the materials being used in the crucible. Some substances may produce toxic fumes or hazardous reactions when heated in a graphite crucible, so proper ventilation and knowledge of the materials' properties are crucial. Finally, after use, it is important to allow the crucible to cool down completely before handling or storing it. Attempting to handle a hot crucible can lead to severe burns or injuries. By following these safety precautions, the risk of accidents, injuries, or damage when using a graphite crucible can be significantly reduced, ensuring a safe and effective working environment.

Q: What are the different methods of preventing oxidation in a graphite crucible?: There are various techniques available to prevent oxidation in a graphite crucible. 1. Coating: An effective approach involves the application of a protective coating on the inner surface of the crucible. This coating acts as a barrier, preventing direct contact between the crucible and the oxidizing atmosphere. Refractory materials like zirconium oxide or alumina are commonly used for this purpose. 2. Preheating: Another method that works well is preheating the crucible prior to use. Subjecting the graphite crucible to high temperatures helps eliminate any impurities or volatile substances present, leaving behind a more stable and less vulnerable surface. This aids in minimizing oxidation during subsequent use. 3. Vacuum or inert gas environment: Performing operations within a vacuum or an inert gas environment, such as argon or nitrogen, can significantly reduce the likelihood of oxidation. These environments lack oxygen, which is necessary for oxidation to occur. By eliminating or reducing the presence of oxygen, the graphite crucible remains shielded from oxidation. 4. Temperature control: Properly managing the temperature also plays a crucial role in preventing oxidation in a graphite crucible. Excessive and prolonged exposure to high temperatures can accelerate oxidation. By maintaining the temperature within a specific range and avoiding abrupt temperature changes, oxidation can be kept to a minimum. 5. Regular cleaning and maintenance: Lastly, regular cleaning and maintenance of the crucible are imperative to prevent oxidation. Removing any accumulated contaminants or residues from the surface helps preserve the integrity of the crucible and safeguards against oxidation during subsequent use. It is important to consider that the choice of method may vary depending on the specific application and requirements. Factors such as the nature of the materials being processed, the operating conditions, and the desired level of protection against oxidation should be taken into account when selecting an appropriate method.

Q: How does a graphite crucible handle abrasion resistance?: A graphite crucible has excellent abrasion resistance due to the unique properties of graphite.

Q: How does a graphite crucible handle chemical resistance?: A graphite crucible has excellent chemical resistance due to its unique properties. Graphite is highly inert and stable, which allows it to withstand corrosive chemicals and high temperatures without reacting or degrading. It is non-reactive with most acids, alkalis, and other corrosive substances, making it an ideal material for containing and handling various chemicals in laboratories and industrial processes.

Q: Why can't a f containing compound be used in a porcelain crucible, a Lilac Garden?: The main components of a porcelain crucible are alumina and silica, while fluorine is very oxidizing, and at high temperature fluorine will replace the oxygen in the oxide and corrode the crucible. Although the contents of the crucible may not be sufficient to penetrate the crucible, the accuracy of the experiment will be affected by the fact that the crucible is not dissolved in the content of the component.

Q: Are graphite crucibles suitable for rapid prototyping processes?: Rapid prototyping processes benefit greatly from the use of graphite crucibles. Graphite, as a highly versatile material, provides numerous advantages in this context. To begin with, the exceptional thermal conductivity of graphite enables efficient and uniform heat transfer. This attribute is particularly crucial in rapid prototyping, where achieving quick turnaround times necessitates rapid and precise heating and cooling cycles. By ensuring even distribution of heat throughout the crucible, graphite minimizes the risk of thermal gradients that could potentially compromise the quality of the prototype. Moreover, graphite crucibles possess high melting points and exhibit remarkable resistance to extreme temperatures. This is of utmost importance in rapid prototyping, where materials like metals and alloys with elevated melting points are commonly employed. The ability of graphite crucibles to endure these high temperatures without melting or deforming ensures their suitability for rapid prototyping processes. Additionally, graphite demonstrates chemical inertness, meaning it does not react with most materials. This feature proves advantageous in rapid prototyping applications, as it allows for the use of a wide range of materials without the concern of contamination. Whether melting metals, alloys, ceramics, or glass, graphite crucibles exhibit versatility in the realm of rapid prototyping. Furthermore, graphite crucibles possess durability and longevity, rendering them suitable for repeated use in rapid prototyping processes. They can withstand the mechanical stresses associated with frequent heating and cooling cycles, thus ensuring reliability and cost-effectiveness. In conclusion, graphite crucibles serve as highly suitable tools for rapid prototyping processes. Their outstanding thermal conductivity, high melting points, chemical inertness, and durability contribute to the efficient and precise production of prototypes using a wide variety of materials.

Q: Can graphite crucibles be used for metal powder sintering?: Yes, graphite crucibles can be used for metal powder sintering. Graphite is a commonly used material for crucibles due to its high melting point, chemical inertness, and thermal conductivity. Metal powder sintering involves heating the powder to a high temperature to bond the particles together, and graphite crucibles are able to withstand these high temperatures without reacting with the metal powders. Additionally, graphite crucibles have good thermal conductivity, which helps to evenly distribute heat and ensure uniform sintering of the metal powder. Therefore, graphite crucibles are a suitable choice for metal powder sintering processes.

Q: What are the considerations for selecting a crucible stand for graphite crucibles?: When selecting a crucible stand for graphite crucibles, there are several important considerations to keep in mind: 1. Material: The crucible stand should be made of a material that can withstand the high temperatures associated with graphite crucibles. Common materials used for crucible stands include stainless steel, cast iron, and ceramic. 2. Stability: The stand should be sturdy and stable to ensure that the crucible remains steady during the heating process. This is especially important when working with high temperatures or when conducting experiments that involve stirring or transferring materials. 3. Size and shape: The stand should be designed to accommodate the size and shape of the graphite crucible being used. It should provide a secure fit to prevent any movement or potential accidents. 4. Heat resistance: The stand should have good heat resistance properties to avoid any deformation or damage when exposed to high temperatures. It should be able to withstand the thermal expansion and contraction that occurs during heating and cooling cycles. 5. Support: The stand should provide adequate support for the crucible, ensuring that it is held securely in place. It should have a design that minimizes any potential contact between the crucible and the stand, reducing the risk of contamination. 6. Accessibility: The stand should allow for easy access to the crucible for loading and unloading materials. It should have a design that allows for easy handling and manipulation of the crucible, ensuring safety and efficiency during operations. 7. Compatibility: The stand should be compatible with the type of heating equipment being used. It should fit properly on the heating apparatus and be able to withstand the associated heat sources, such as Bunsen burners or electric furnaces. By considering these factors, one can select a suitable crucible stand that will ensure the safe and effective use of graphite crucibles in various applications, such as chemical analysis, metal casting, or laboratory experiments.

Q: What crucible can be used to make steel? At least 1500 degrees resistant: A graphite crucible is a very important purpose is to iron and steel. The oxidant using this process is oxygen. The air is blown into the molten iron, the impurity of silicon and manganese oxide. The release of large amounts of heat in the oxidation process (including 1% silicon iron can make the temperature rise of 200 Celsius), can make the furnace reach a high enough temperature. So the converter does not need the additional use of fuel.

Q: Application of ceramic fiber module in gas crucible furnace: The crucible furnace, as the name suggests, is a furnace with a crucible. There are cast iron crucibles, cast steel crucibles, some alloy steel crucibles, graphite crucibles, clay crucibles and carborundum crucibles from the crucible material.

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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