High Temperature Graphite Carbon Crucible for SIC Applications
- 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
| Application: | melting metals | Height: | depends on your requirement | Top Diameter: | 10-1200mm |
| Bottom Diameter: | 10-1200mm | Place of Origin: | China (Mainland) | Brand Name: | |
| product name: | SiC graphite crucible china graphite crucible | top diameter: | 10-1200mm | bottom diameter: | 10-1200mm |
| height: | depends on your requirement | application: | melting gold,silver and other metals | Specific resistance: | ≤14μΩ.m |
| Bending strength: | ≥25MPa | Compressive strength: | ≥50MPa | Bulk densit: | ≥1.68g/cm3 |
| Ash content: | ≤0.15% |
Packaging & Delivery
| Packaging Details: | woden case for SiC graphite crucible china graphite crucible |
| Delivery Detail: | within 20 days |
Introduction
1. Graphite crucible can be used for non-ferrous metal smelting and casting, dissolving gold
or silver ornaments, analysis of special type steel, sintering hard metal.
2. graphite crucible for smelting gold is specialized in melting gold in headgear and jewelryindustry. That requests graphite material has high density and purity, ablation-resistance, and it can be used many times. We can machine various crucibles accordingto customer's requirement.
3. Machined from high pure graphite and widely used in the gold,silver,platinum and other noble metal's melting.If it's used in oxygen atmosphere,it wil start to be oxygenized when the temperature is higher than 700-800°c. If it's used in the protective atmosphere, it can stand more than 2000°c.
4. widely used in such fields as industrial furnaces, mono-crystalline silicon machinery, mono-crystalline silicon machinery, electron, semi-conductor, metallurgy, oil, chemistry, textile, electrical machinery, electrical equipment, electrical furnace, traffic, communication industry, medicine, etc.
Advantages
1.good thermal conductivity
2.High-temperature resistance
3. Small thermal expansion coefficient.
4.Strong corrosion resistance to acid and alkali liquid
5.Good chemical stability
Technology parameter
Item | Unit | High pure graphite | ||
baked twice | baked three time | baked four times | ||
impregnated once | impregnated twice | impregnated three times | ||
Grain size | mm | ≤325mesh | ≤325mesh | ≤325mesh |
Bulk density | g/cm3 | ≥1.68 | ≥1.78 | ≥1.85 |
Specific resistance | μΩ.m | ≤14 | ≤14 | ≤13 |
Bending strength | MPa | ≥25 | ≥40 | ≥45 |
Compressive strength | MPa | ≥50 | ≥60 | ≥65 |
Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
We accept small orders,please inquiry us freely. | ||||
Item | Unit | Fine-grain Specialty Graphite model 1 | Fine-grain Specialty Graphite model model2 | ||
Guarantee value | Typical value | Guarantee value | Typical value | ||
Max grain size | mm | 0.8 | 0.8 | 0.8 | 0.8 |
Bulk density | g/cm3 | ≥1.70 | 1.73 | ≥1.73 | 1.76 |
Specific resistance | μΩ.m | ≤8.5 | 7.5 | ≤8.0 | 7 |
Bending strength | MPa | ≥10.0 | 11 | ≥12.0 | 12.5 |
Compressive strength | MPa | ≥24.0 | 27 | ≥31.0 | 34 |
Thermal Condcutivity | W/(m.k) | ≥120 | 150 | ≥130 | 160 |
C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.2 | ≤2.5 | 2.1 |
Ash content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
We are always avliable to service you! | |||||
Parts sizes of graphite crucible table
Product name | Dimensions(mm) | Weight(g) | |||
Φ1 | Φ2 | Φ3 | H | ||
1 kg graphite crucible | 58 | 47 | 35 | 88 | 160 |
2kg graphite crucible
| 65 | 58 | 44 | 110 | 240 |
2.5kg graphite crucible
| 65 | 58 | 44 | 126 | 300 |
3kg graphite crucible
| 85 | 75 | 60 | 105 | 390 |
4kg graphite crucible
| 85 | 75 | 60 | 130 | 500 |
4kg graphite crucible
| 85 | 75 | 60 | 136 | 500 |
5kg graphite crucible
| 100 | 89 | 69 | 130 | 700 |
5.5kg graphite crucible
| 105 | 90 | 70 | 156 | 800 |
6kg graphite crucible
| 110 | 97 | 79 | 174 | 970 |
We have all kinds of sizes graphite crucibles in stock,please feel free to contact us. | |||||
packaging & shipping
Packaging
1. For each type, we can send you the detailed high-resolution pictures since we have the sample in our hand.
2. For packaging, we have the professional packaging starff, pls. don't worry about the shipping.
Our service
1.Delivery time is 5~7 days for sample and 15 working days for bulk order;
2. Strong production capacity and strict quality control system;
3. Your inquiry and problems related to our products or prices will be replied in 24 hours;
4. Well-trained and experienced staffs to answer all your inquires;
5. After-sale tracking service for all of our clients;
6. OEM is available; small quantities, mixed bulk orders are also welcome;
7. Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8. Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST.
After-Sales Service
1.1year warranty for most of our products;
2.We will arrange delivery of the goods on time:
3.Within the warranty period, we will bear all the qulity problem of our produts;
4.Beyond the warranty period, we will despatch the replacement parts to help fix the products;
5.Without any problem, we will gain the feedbacks of our products to help improve better products.
FAQ
Q:How to get in touch with us?
A:You can clik "Contact Supplier" above, or click "Chat Now!". We provide 24-hour service!
Q: How can I get free samples?
A: Only carbon brush for power tools/automobiles/motorcycle----no more than 4 sets for each model is free of charge.
Q:How to order?
A:Quotation→Price comfirming→Sign a contract→Mass production→Delivery
Q:How to pay?
A:30% T/T deposit.→70% balance by T/T against B/L copy.
Q:How to get after-sales service?
A:You can contact with your appointed sales.
You can also get in touch with our Quality Assurance Department: zdatzddt.com
Company Information
Other refractory materials for High temperature industry
- Q: Can graphite crucibles be used for carbon nanotube synthesis?
- Graphite crucibles are capable of being utilized in the synthesis of carbon nanotubes. Due to its high melting point and chemical stability at elevated temperatures, graphite serves as a suitable material for this purpose. In the process of synthesizing carbon nanotubes, a carbon source is commonly subjected to intense heat, and graphite crucibles have the ability to endure such extreme conditions without undergoing reactions or contaminating the nanotubes. Moreover, graphite crucibles possess efficient thermal conductivity, which aids in maintaining a consistent temperature throughout the synthesis procedure. Consequently, graphite crucibles are extensively employed in laboratories and industries for the fabrication of carbon nanotubes.
- Q: Can graphite crucibles be used for metal powder atomization?
- Yes, graphite crucibles can be used for metal powder atomization. Graphite crucibles are commonly used in metallurgical processes due to their high thermal conductivity, chemical inertness, and resistance to high temperatures. In metal powder atomization, the crucible is heated to a high temperature, and the metal feedstock is melted and then atomized into fine powder particles using a gas or water jet. The graphite crucible helps to maintain a stable temperature during the atomization process and allows for efficient heat transfer, resulting in consistent and high-quality metal powder production. Additionally, graphite crucibles can withstand the corrosive nature of molten metals, making them suitable for various metal powder atomization applications.
- Q: Can a graphite crucible be used for iron melting?
- No, a graphite crucible cannot be used for iron melting. Iron has a higher melting point compared to graphite, and it requires a crucible made of a material that can withstand the high temperatures and chemical reactions involved in iron melting, such as a clay or silicon carbide crucible.
- Q: What are the different methods of controlling temperature in a graphite crucible?
- There are several methods of controlling temperature in a graphite crucible, including the use of external heating sources such as gas burners or electric heaters, the addition of insulating materials to regulate heat transfer, and the implementation of temperature sensors and controllers to maintain a specific temperature range. Additionally, techniques like preheating the crucible or adjusting the gas flow rate can also impact and control the temperature inside the crucible.
- Q: Can a graphite crucible be used for laser melting applications?
- No, a graphite crucible cannot be used for laser melting applications because graphite has a high absorption rate for laser energy, which would cause it to quickly heat up and potentially damage the crucible.
- Q: How to extract gold from activated carbon filter?
- Depends on the gold in your filter is what state, the ionic state can be used acid and other analytical solution, and then reducing agent or thiourea reduction of gold, simple gold can be replaced by Wang Shuirong, but the impurities will be more.
- Q: Will the friction powder of the graphite sliding bearings rust?
- Graphite bearings do not charge, but if the connecting parts such as iron and other materials will rust, unless the internal device is all vacuum, which may be exposed to graphite bearings. In short, graphite products do not rust, but do not rule out inducing factors.
- Q: How do you ensure proper sealing of a graphite crucible?
- To ensure proper sealing of a graphite crucible, there are a few key steps that can be followed: 1. Clean the crucible: Before sealing the graphite crucible, it is crucial to ensure that it is clean and free from any debris, dust, or residues. This can be done by gently brushing the interior and exterior surfaces of the crucible with a soft brush or cloth. 2. Inspect for any cracks or damage: Carefully examine the crucible for any cracks, chips, or other types of damage. Even minor imperfections can affect the sealing process and compromise the integrity of the crucible. If any damage is found, it is advisable to replace the crucible with a new one. 3. Apply a suitable sealing material: Various sealing materials can be used to ensure proper sealing of the graphite crucible. One commonly used material is a high-temperature adhesive or cement specifically designed for crucible sealing. Apply the sealing material evenly along the edges of the crucible lid or cover. 4. Secure the lid or cover tightly: Once the sealing material is applied, carefully place the lid or cover onto the crucible. Make sure it is properly aligned and fits snugly. Apply gentle pressure to secure the lid in place. 5. Cure or dry the sealing material: Depending on the type of sealing material used, it may require a curing or drying process. Follow the manufacturer's instructions for the specific material being used. This step is crucial to ensure that the sealing material forms a strong and durable bond. 6. Heat the crucible gradually: To further enhance the sealing process, it is recommended to heat the crucible gradually. This can be done by placing the crucible in an oven or furnace and gradually increasing the temperature. Heating the crucible helps to activate the sealing material and create a tighter seal. 7. Cool the crucible slowly: After the sealing material has been activated, allow the crucible to cool down slowly. Rapid cooling can cause thermal stress and potentially lead to cracks or other damages. Once the crucible has reached room temperature, it is ready for use. By following these steps, one can ensure the proper sealing of a graphite crucible, which is essential for various high-temperature applications such as melting metals, conducting experiments, or performing chemical reactions.
- Q: How do you prevent contamination from the graphite crucible during melting?
- To prevent contamination from the graphite crucible during melting, several measures can be taken: 1. Cleaning: Before each use, it is essential to thoroughly clean the graphite crucible. This can be done by removing any residual materials from previous melts, such as slag or impurities, using a suitable cleaning agent or solvent. It is important to ensure that the crucible is completely dry before proceeding with the next step. 2. Coating: Applying a protective coating to the graphite crucible can help prevent contamination. Boron nitride or other suitable coatings can be used to create a barrier between the molten material and the crucible. This coating not only prevents the crucible from reacting with the melt but also helps in easy removal of the solidified material. 3. Preheating: Before adding the material to be melted, it is advisable to preheat the graphite crucible. This step helps drive off any residual moisture or contaminants that may be present in the crucible, reducing the chances of contamination during the melting process. 4. Proper handling: During melting, it is important to handle the graphite crucible with care to avoid introducing contaminants. Using suitable tools like tongs or gloves can prevent direct contact with the crucible, preventing contamination from oils, greases, or other substances present on the hands. 5. Controlled atmosphere: In some cases, melting can be done in a controlled atmosphere to avoid contamination. An inert gas, such as argon or nitrogen, can be used to create a protective atmosphere around the crucible, preventing oxidation or reaction with the crucible material. By following these preventive measures, contamination from the graphite crucible during melting can be minimized, ensuring the purity and integrity of the melt.
- Q: Graphite can react with alkali in high temperature
- Graphite is a very stable carbon element. Generally in time, high temperatures generally do not react with bases.
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High Temperature Graphite Carbon Crucible for SIC Applications
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
OKorder Financial Service
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