Carbon Graphite Crucible for Refractory SIC Crucible Melting Copper/Brass
- Ref Price:
-
- 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
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% |
FAQ
1.What's your MOQ?
We will indicate the MOQ for each item in the quotation list. We accept the sample and trail order.
2.Can I negotiate the Prices?
Sure, we may consider discounts for bulk order of products.
3.How long will it take to complete my order?
For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
4.Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with N&D's Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.
5.Can I visit you?
Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.
- Q: Can graphite crucibles be used for carbon nanotube synthesis?
- Yes, graphite crucibles can be used for carbon nanotube synthesis. Graphite is a suitable material for this purpose due to its high melting point and chemical stability at high temperatures. When carbon nanotubes are synthesized, a carbon source is typically heated to a high temperature, and graphite crucibles can withstand these extreme conditions without reacting or contaminating the nanotubes. Additionally, graphite crucibles have good thermal conductivity, which helps to maintain a uniform temperature during the synthesis process. Therefore, graphite crucibles are commonly used in laboratories and industries for the production of carbon nanotubes.
- Q: Can a graphite crucible be used with gas burners or torches?
- Indeed, gas burners or torches can indeed be paired with a graphite crucible. Graphite crucibles are renowned for their remarkable ability to endure high temperatures and their exceptional durability, rendering them highly suitable for usage in conjunction with gas burners or torches. They exhibit an impressive resistance to extreme temperatures and are frequently employed in tasks involving the melting of metals, glass, or other substances. The exceptional thermal conductivity of graphite allows for a highly efficient transfer of heat, making it an ideal choice for applications that require exceedingly high temperatures. Nonetheless, it is of utmost importance to ensure that the crucible is appropriately sized and designed to match the specific gas burner or torch in use, in order to prevent any potential harm or safety risks.
- Q: Where is the difference between the silicon carbide crucible and the graphite crucible?
- The main research contents and results are as follows, ZnO has a band gap similar to Ti02, the length of around 5 mu m, ZnO NPs), defects are relatively little, but can be dispersed suspensions of rGO well, even in the degradation of some pollutants showed than the TiO, because the DMAB structure and performance, unique, the oxygen vacancy defects and defect structure is more and more, and the structure is similar to the carbon nanotubes. Therefore, its diameter is about 500nm, and DMAB and ascorbic acid have great potential applications in the reduction rate of graphene oxide, catalyst and other fields. Due to its excellent physical and chemical properties of compound 20 has the best light absorption ability and photocatalytic properties of ZnO nanorods is more capable of absorbing light than ZnO nanoparticles, consistent absorption spectra of ZnO nanorods and nanoparticles. (2) in order to facilitate the study of photocatalytic performance of ZnO photocatalyst, as a kind of efficient degradation of organic pollutants, the absorption range of its special structure can adjust the composite light, and through the PL spectrum of defects state, gas sensor of ZnO nanorods, ZnO NRs), sensor, have an impact on the light absorption and the photocatalytic ability of the composite material.
- Q: Can graphite crucibles be used for material synthesis?
- Yes, graphite crucibles can be used for material synthesis. Graphite is an excellent choice for crucibles in material synthesis applications due to its unique properties. It has a high melting point, exceptional thermal conductivity, and chemical inertness, which make it suitable for various high-temperature reactions and processes. Graphite crucibles are commonly used in the synthesis of materials such as metals, alloys, ceramics, and compounds. They are particularly favored in processes involving high temperatures, such as melting, heating, and vaporization. The high thermal conductivity of graphite allows for efficient heat transfer, ensuring uniform heating and temperature distribution throughout the crucible. Another advantage of graphite crucibles is their chemical inertness. They do not react with most materials, making them ideal for synthesizing compounds or alloys without contamination. Additionally, graphite has low reactivity with oxygen, which is crucial in preventing unwanted oxidation during material synthesis. Graphite crucibles are also known for their durability and resistance to thermal shock. They can withstand rapid temperature changes without cracking or breaking, ensuring the integrity of the material synthesis process. This durability allows for repeated use of the crucibles, making them a cost-effective option in the long run. Overall, graphite crucibles are widely used in material synthesis due to their high melting point, excellent thermal conductivity, chemical inertness, and durability. Their unique properties make them suitable for a wide range of applications and ensure the successful synthesis of various materials.
- Q: Who can give a detailed description of the degree of volatility of graphite at various temperatures?
- Graphite is a nonmetallic mineral with high temperature resistance and conductivity. Graphite products made of graphite are widely used in metallurgy, smelting and vacuum furnaces
- Q: Can a graphite crucible be used for bronze casting?
- Certainly, bronze casting can utilize a graphite crucible. The utilization of graphite crucibles is widespread in metal casting procedures due to their remarkable thermal conductivity, high melting point, and resistance to thermal shock. In contrast to graphite, bronze, an amalgamation of copper and tin, generally possesses a lower melting point, making it a fitting material for casting within a graphite crucible. Moreover, graphite crucibles provide commendable chemical stability, a pivotal factor when operating with molten metals. Nevertheless, it is imperative to underscore the significance of adequately seasoning and preheating the crucible to avoid any potential reactions between the molten bronze and the graphite crucible.
- Q: How do you prevent oxidation of the graphite crucible during use?
- In order to prevent oxidation of the graphite crucible during usage, there are several steps that can be taken: 1. Crucible pre-conditioning is essential: It is crucial to gradually heat the graphite crucible before using it. This process aids in the elimination of any residual binders or impurities on the crucible's surface, thereby reducing its susceptibility to oxidation. 2. Application of a protective coating: The graphite crucible can be safeguarded against oxidation by applying a protective coating. There are various coatings available, such as boron nitride or zirconium oxide, which create a barrier between the crucible and the surrounding atmosphere, thus minimizing the likelihood of oxidation. 3. Atmosphere control is key: The atmosphere in which the crucible is utilized plays a vital role in preventing oxidation. Whenever possible, it is advisable to employ a controlled atmosphere, such as vacuum or inert gas (e.g., argon or nitrogen), during the heating process. This helps to minimize the presence of oxygen, which can result in oxidation. 4. Avoidance of abrupt temperature changes: Rapid temperature fluctuations can cause thermal shock, leading to cracks and increased vulnerability to oxidation. To prevent this, it is important to ensure a gradual and controlled heating and cooling process. 5. Crucible cleaning after usage: After each use, it is imperative to clean the graphite crucible thoroughly in order to eliminate any residues or contaminants that may promote oxidation. Utilize an appropriate cleaning agent and gently scrub the surface to ensure its cleanliness. By adhering to these preventive measures, the oxidation of the graphite crucible during usage can be significantly reduced, thus prolonging its lifespan and maintaining its effectiveness.
- Q: What are the technical specifications of graphite crucibles?
- Graphite crucible has the characteristics of high temperature resistance, large volume density, thermal shock resistance, corrosion resistance, acid and alkali corrosion resistance, high efficiency, energy saving, environmental protection, high efficiency, low loss and so on.
- Q: What are the uses of graphite crucibles?
- Therefore, aluminum, magnesium, zinc and their alloys are widely used in the manufacture of automobiles, motorcycles and electronic products. Such as die-casting production automobile and motorcycle wheel hub, engine cylinder head, brake, air filter, piston, radiator, steering wheel frame, and electronic products in the mobile phone shell, etc..
- Q: Are there any special precautions to be taken while using graphite crucibles?
- Yes, there are several special precautions that should be taken while using graphite crucibles. First, it is important to handle graphite crucibles with care as they are fragile and can break easily. Avoid dropping or mishandling them to prevent cracks or damage. Secondly, graphite crucibles should be stored in a clean and dry environment to prevent any contamination. Graphite is susceptible to absorbing impurities from the surroundings, which can affect its performance and durability. During use, it is crucial to avoid exposing graphite crucibles to rapid temperature changes. Sudden heating or cooling can cause thermal shock, leading to cracks or even breakage. To prevent this, it is recommended to gradually heat or cool the crucible within the recommended temperature range. Additionally, graphite crucibles should be properly seasoned or preheated before using them for the first time. This involves slowly heating the crucible to a specific temperature to remove any moisture or volatile substances that might be present. Failure to properly season the crucible can lead to cracking or premature failure during subsequent use. Furthermore, it is important to avoid overloading the crucible with excessive material. Graphite crucibles have specific capacity limits, and exceeding these limits can cause the crucible to fail or reduce its lifespan. Lastly, when handling molten materials or pouring them into the crucible, appropriate personal protective equipment should be worn. This includes heat-resistant gloves, face shields, and other protective clothing to prevent burns or injuries. By following these precautions, users can maximize the lifespan and performance of graphite crucibles while ensuring safe and effective use.
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Carbon Graphite Crucible for Refractory SIC Crucible Melting Copper/Brass
- 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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