5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
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Quick Details for SiC Graphite Crucibles
| Type: | High Strength, graphite crucible crucible | Application: | melting metal | Height: | as your requirements |
| Composition: | High Pure | Top Diameter: | 10-600mm | Bottom Diameter: | 10-1000mm |
| Place of Origin: | China (Mainland) | Brand Name: | Model Number: | ||
| Color: | Black grey | Si3N4%: | 5min | Fe2O3%: | 0.7max |
| C%: | 30-45 | Apparent porosity: | 30max | Refractoriness: | 1680 |
| Bulk Density: | 1.71min | Using life: | >5000 hours | MAX temperature: | 1600c |
Packaging & Delivery
| Packaging Details: | Seaworty packing or as per customer's detail requirement of graphite crucible. |
| Delivery Detail: | within 20-30 days after confirm order of graphite cru |
SiC Graphite Crucibles For Melting Aluminium And Copper, Brass
Product Description
Specifications for Graphite Silicon Carbide Crucible For Aluminum Melting :
1.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.
2.High thermal conductivity: high-density body and low apparent porosity greatly improve its heat conductivity.
3.New-style materials: new heat conduction material ensures faster heat conductivity and pollution-free product, reduces adherent slag.
4.Resistance to corrosion:better anti-corrosion than normal clay-crucible.
5.Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensures persistent heat conductivity and long working lifetime.
6.High-strength: high-density body and logical structure make the product better compression property.
7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.
8.Multi-function: Can be used in induction graphite crucible furnace
Graphite crucible can withstand the high temperature, and has good resistance to chemical erosions and thermal shock. Especially graphite crucible is ideal for the melting of aluminum, copper and etc.
Bulk Density | g/cc | 1.70-1.88 |
Specific Resistance | μΩ.m | 6.0-15.0 |
Compressive Strength | MPa | 30-80 |
Bending Strength | MPa | 20-45 |
Shore hardness | 30-70 | |
C.T.E.(100-600°C) | x10-6 /°C | 2.5-5.5 |
Ash | % | 0.01-0.2 |
Maximum Grain Size | mm | 0.044-0 |
- Q: Use the tripod why use mud, and mud and three foot tripod supporting in the use of the crucible?
- Otherwise, the three foot above the ring hole is too large, directly on the crucible to fall down.
- Q: Can a graphite crucible be used for melting pharmaceutical substances?
- Yes, a graphite crucible can be used for melting pharmaceutical substances. Graphite crucibles are known for their high melting point, excellent thermal conductivity, and chemical inertness, which make them suitable for a wide range of applications, including melting pharmaceutical substances. They can withstand high temperatures needed for the melting process without reacting with the substances being melted, ensuring the purity and integrity of the pharmaceutical compounds. Additionally, graphite crucibles can efficiently transfer heat, allowing for uniform heating and melting of the pharmaceutical substances. However, it is essential to ensure that the graphite crucible is properly cleaned and free from any contaminants that could potentially affect the purity of the pharmaceutical substances being melted.
- Q: Can graphite crucibles be used for diamond synthesis?
- Diamond synthesis cannot be achieved using graphite crucibles. Despite both graphite and diamond being forms of carbon, they possess distinct structures and properties. Graphite exhibits a layered structure with weak bonding between layers, enabling it to conduct electricity and heat proficiently. Conversely, diamond features a three-dimensional structure with robust covalent bonds between carbon atoms, rendering it the hardest substance and a poor conductor of electricity. During the diamond synthesis process, carbon is converted into diamond utilizing elevated temperatures and pressures. Unfortunately, graphite crucibles lack the capability to endure such extreme conditions and would react with the carbon. Consequently, this reaction would yield more graphite instead of diamond. To synthesize diamonds successfully, specialized equipment such as high-pressure, high-temperature (HPHT) or chemical vapor deposition (CVD) techniques are utilized, necessitating different materials capable of withstanding the required conditions.
- Q: How does the porosity of graphite affect the performance of a crucible?
- The porosity of graphite affects the performance of a crucible by influencing its thermal conductivity, chemical reactivity, and mechanical strength. Higher porosity allows for better heat transfer and distribution, making the crucible more efficient in conducting heat. However, excessive porosity can also increase the risk of chemical reactions between the crucible and its contents, leading to contamination or erosion. Additionally, porosity affects the mechanical strength and durability of the crucible, with lower porosity generally providing better resistance to cracking or breakage. Therefore, finding the right balance of porosity is crucial in determining the overall performance of a graphite crucible.
- Q: Is there a single crystal mine in nature? The purification technology and principle of graphite ore? Please detail, thank you!
- It is worth noting that polysilicon is not made from monocrystalline silicon.At present, the international production and development of graphite products, including graphite products (including mineral processing, chemical purification products) and graphite products two major categories, a number of products.
- Q: How do you ensure uniform heating of a graphite crucible?
- To achieve consistent heating of a graphite crucible, there are several measures that can be taken: 1. Placement: Position the crucible in the center of the heat source, whether it be a furnace or heating element, to guarantee even distribution of heat around the crucible. 2. Gradual preheating: Prior to adding any substance to the crucible, gradually preheat it to allow for uniform expansion and the elimination of any moisture or impurities. This can be accomplished by slowly increasing the temperature over time. 3. Regular stirring: If the crucible contains a liquid or molten material, it is crucial to periodically stir it. This ensures the even distribution of heat and prevents the formation of localized hot or cold spots. 4. Insulation: Utilize insulation materials like ceramic fiber or refractory bricks around the crucible to prevent heat loss and maintain a consistent temperature. This insulation aids in creating a more uniform heating environment. 5. Heat source control: Depending on the heating method employed, it is important to manage the heat source. For example, in a furnace, make certain that the temperature is set and maintained at the desired level. If a gas burner is used, adjust the flame to achieve an even heat distribution. 6. Sufficient time: Allow ample time for the crucible to heat up and for the substance inside to reach the desired temperature. Rushing the heating process can result in uneven heating and potential damage to the crucible. By adhering to these steps, one can ensure a more uniform heating of a graphite crucible, which is indispensable for obtaining accurate and consistent results in various applications such as melting, casting, or chemical reactions.
- Q: Why do laboratory crucibles use ceramics instead of glass?
- Because the ceramic crucible heats the alkaline solution, the glass crucible doesn't work. If you have any help, please accept it. Then click on the top right corner of the phone. Thank you!!
- Q: Can the medium frequency furnace be made of silicon carbide crucible?
- Glass is non-magnetic, can not be magnetic induction heating. And the silicon carbide crucible can not be heated because of the magnetic induction heating. So, no way.
- Q: Can graphite crucibles be used for plasma arc melting?
- Yes, graphite crucibles can be used for plasma arc melting. Graphite crucibles are known for their high thermal conductivity and resistance to high temperatures, which makes them suitable for use in various high-temperature applications. Plasma arc melting, which involves the use of an electric arc to generate and sustain a plasma state, requires a crucible that can withstand the intense heat generated during the process. Graphite crucibles are able to withstand these high temperatures and provide a stable and durable container for the molten material produced during plasma arc melting. Additionally, graphite crucibles offer good chemical resistance and can handle corrosive materials that may be present during plasma arc melting. Overall, graphite crucibles are a commonly used and effective choice for plasma arc melting applications.
- Q: How do you prevent thermal shock in graphite crucibles?
- To prevent thermal shock in graphite crucibles, there are several key steps that can be taken: 1. Preheating: Before using a graphite crucible, it is important to preheat it gradually. This can be done by placing the crucible in a furnace or kiln at a low temperature and slowly increasing the temperature over a period of time. This ensures that the crucible is uniformly heated and minimizes the risk of sudden temperature changes. 2. Avoiding rapid temperature changes: Graphite crucibles should be handled with care to prevent sudden temperature changes. They should not be exposed to extreme heat or cold, as this can cause thermal shock. Similarly, they should not be placed directly onto a hot surface or immersed in cold water immediately after use. 3. Proper handling and storage: Graphite crucibles should be stored in a dry and controlled environment to prevent moisture absorption, which can lead to thermal shock. Care should be taken when handling crucibles to avoid dropping or banging them against hard surfaces, as this can also cause thermal shock. 4. Adequate cooling: After use, graphite crucibles should be allowed to cool naturally and slowly. Placing a hot crucible in a cool environment or exposing it to a sudden temperature change can result in thermal shock. It is recommended to place the crucible on a non-conductive surface and allow it to cool at room temperature before further handling. 5. Regular inspection: Regularly inspecting graphite crucibles for any signs of damage or wear is crucial. Any cracks, chips, or other abnormalities should be addressed immediately, as they can weaken the crucible and increase the risk of thermal shock. If any damage is detected, it is advisable to replace the crucible to ensure its integrity during future use. By following these preventive measures, thermal shock in graphite crucibles can be minimized, resulting in improved durability and performance.
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5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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