Ceramic Vs Graphite Crucible - Refractory Crucibles SiC Crucible for Melting Copper/Brass/Aluminum
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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 Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
| 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 |
Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
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.
Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
Physicochemical Properties
Type of Crucible | Type S | Type D |
Carbon Content/% | ≥38 | ≥45 |
Bulk Density/(g/cm3) | ≥1.70 | ≥1.85 |
Apparent Porosity/% | ≤29 | ≤21 |
Compression Strength/MPa | ≥20 | ≥25 |
Refractoriness/°C | ≥1400 | ≥1400 |
Type S: Clay graphite crucible
Type D: Isostatic pressing graphite crucible
Cited from CNS China National Standard of Graphite Crucible, which is solely drifted by TIANFU company.
Content Composition
C% | Sic% | AL2O3% | SIO2% |
45%-50% | 20%-30% | 10%-12% | 15-25% |
- Q: What are the main changes in graphene supercapacitors?
- What are the main changes in graphene supercapacitors?"
- Q: Can graphite crucibles be used for melting composite materials?
- Indeed, composite materials can be melted using graphite crucibles. Renowned for their elevated melting point and excellent thermal conductivity, graphite crucibles are well-suited for the fusion of various materials, including composite ones. Moreover, their resistance to chemical reactions renders them optimal for managing and confining composite materials while undergoing the melting procedure. Nevertheless, it is crucial to thoroughly assess the composite material's specific composition and melting point to guarantee its compatibility with the graphite crucible.
- Q: Why can't a f containing compound be used in a porcelain crucible, a Lilac Garden?
- The F containing compound can not be used in the ceramic crucible for combustion and drying. The main reason is that the corrosion of fluorine on porcelain at high temperature.
- Q: How to extract pure silver from sundry Silver
- In a dilute nitric acid solution of 10% concentration, silver reacts with nitric acid to produce silver nitrate.300 kg. This dilute nitric acid solution can treat 4000 kilograms of silver glass and become silver nitrate solution
- Q: Is it possible to achieve controlled pouring with a graphite crucible?
- Controlled pouring using a graphite crucible is indeed achievable. Various industries, such as metal casting and melting, widely utilize graphite crucibles due to their unique properties. These crucibles possess a high melting point, excellent thermal conductivity, and good resistance to thermal shock, making them suitable for handling high-temperature substances. To achieve controlled pouring with a graphite crucible, several factors must be taken into account. Firstly, it is essential to adequately preheat the crucible to the desired pouring temperature. This ensures that the molten material maintains its desired temperature throughout the pouring process, preventing premature solidification. Secondly, the design of the crucible and its pouring lip should enable precise control over the flow of the molten substance. Shaping the pouring lip allows for a steady and controlled stream, reducing the risk of splashing or spilling. Moreover, the operator's expertise and experience play a vital role in achieving controlled pouring. They must possess a comprehensive understanding of the poured material, its characteristics, and the appropriate pouring techniques. Additionally, they should be mindful of potential hazards and take necessary precautions to ensure safety throughout the pouring procedure. In conclusion, achieving controlled pouring with a graphite crucible is feasible by considering proper preheating, suitable crucible design, and skilled operators. These factors contribute to achieving precise and controlled pouring for a variety of applications.
- Q: The use of earthy graphite?
- As a conductive material: used for manufacturing the electrode, carbon nanotubes, carbon brush, and the positive electrode of the mercury rectifier in the electrical industry, graphite gasket, telephone parts, TV tube coating etc..
- Q: How do you prevent oxidation of the graphite crucible during use?
- To prevent oxidation of the graphite crucible during use, there are several steps you can take: 1. Pre-condition the crucible: Before using the graphite crucible, it is important to pre-condition it by heating it gradually. This process helps remove any residual binders or impurities on the surface of the crucible, making it less prone to oxidation. 2. Apply a protective coating: Applying a protective coating to the graphite crucible can help prevent oxidation. There are various coatings available, such as boron nitride or zirconium oxide, which create a barrier between the crucible and the atmosphere, thus reducing the likelihood of oxidation. 3. Control the atmosphere: The atmosphere in which the crucible is used plays a crucial role in preventing oxidation. If possible, use a controlled atmosphere such as vacuum or inert gas (e.g., argon or nitrogen) during the heating process. This helps minimize the presence of oxygen, which can lead to oxidation. 4. Avoid rapid temperature changes: Rapid temperature changes can cause thermal shock, which can lead to cracks and increased susceptibility to oxidation. To prevent this, ensure a gradual and controlled heating and cooling process. 5. Clean the crucible after use: After each use, it is important to clean the graphite crucible to remove any residues or contaminants that may promote oxidation. Use a suitable cleaning agent and gently scrub the surface to ensure its cleanliness. By following these preventative measures, you can significantly reduce the oxidation of the graphite crucible during use, prolonging its lifespan and maintaining its effectiveness.
- Q: Can graphite crucibles be used for melting pharmaceutical compounds?
- Melting pharmaceutical compounds can be done using graphite crucibles. Graphite crucibles are well-known for their high melting point, making them suitable for high-temperature applications like melting metals, alloys, and certain chemicals. It is crucial to match the temperature range of the graphite crucible with the melting point of the specific compound being melted, as pharmaceutical compounds may have different melting points. Moreover, graphite crucibles have low reactivity and are chemically inert, minimizing the risk of contamination or chemical reactions during the melting process. Nevertheless, it is vital to consider the specific requirements and properties of the pharmaceutical compound to ensure compatibility with the graphite crucible.
- Q: Can a graphite crucible be used for melting americium?
- No, a graphite crucible cannot be used for melting americium. Americium is a radioactive element with a low melting point and high reactivity. Graphite crucibles are typically used for melting non-reactive materials such as metals that have higher melting points. Americium requires specialized equipment and crucibles made from materials that can handle its reactivity and potential radiation hazards.
- Q: Is it possible to achieve a controlled atmosphere inside a graphite crucible?
- Yes, it is possible to achieve a controlled atmosphere inside a graphite crucible. Graphite crucibles are commonly used in high-temperature applications such as melting metals and alloys. In order to achieve a controlled atmosphere, various methods can be employed. One method is to use a gas purging system. This involves introducing a specific gas into the crucible to create the desired atmosphere. For example, if an inert atmosphere is required, gases like argon or nitrogen can be used to displace any oxygen or other reactive gases present. The flow rate and pressure of the gas can be controlled to maintain the desired atmosphere. Another method is to create a sealed environment around the crucible. This can be achieved by using a furnace or an induction heating system with a gas-tight enclosure. By controlling the gas composition and pressure within this enclosure, a specific atmosphere can be maintained around the crucible. Additionally, it is important to consider the crucible material itself. Graphite is known for its high thermal conductivity, which means it can transfer heat quickly. However, it can also be reactive with certain gases or metals at high temperatures. Therefore, selecting the appropriate grade of graphite and ensuring proper crucible conditioning can help maintain a controlled atmosphere. Overall, with the right equipment and techniques, it is possible to achieve a controlled atmosphere inside a graphite crucible, allowing for precise control of the environment during high-temperature processes.
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Ceramic Vs Graphite Crucible - Refractory Crucibles SiC Crucible for Melting Copper/Brass/Aluminum
- 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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