Silicon Carbide Graphite Crucible Amazon

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 5 Pieces pc

Supply Capability:: 10000 Pieces per Month pc/month

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Detailed Product Description

1. Top quality crucibles offer consistent performance when melting ferrous, onferrous and precious metals.

2. Good thermal conductivity keeps metal from cooling too rapidly. Made of natural flake graphite and silicon carbide bonded with find clay, lined with mullite for long life.

Specification:

NO	Modle Number	Up Dia(mm)	Down Dia(mm)	High(mm)
1	80#	300	175	358
2	100#	326	200	366
3	120#	345	195	383
4	150#	370	192	430
5	200#	398	220	490
6	250#	450	240	550
7	300#	470	240	573
8	350#	485	275	610
9	400#	520	282	648
10	500#	540	313	698
11	800#	630	335	720
12	1000#	640	380	773

Q: Can graphite crucibles be used for melting iron?: No, graphite crucibles cannot be used for melting iron as iron has a much higher melting point than graphite can withstand.

Q: Can graphite crucibles be used for melting thermoplastics?: No, graphite crucibles cannot be used for melting thermoplastics. Graphite crucibles are typically used for high-temperature applications such as melting metals and alloys due to their high melting point and excellent thermal conductivity. Thermoplastics have much lower melting points and require crucibles made of materials such as stainless steel or ceramic to withstand the lower temperatures and prevent contamination.

Q: Is it often influenced by graphite tube replacement in atomic absorption furnace?: The instrument from the light source radiation with the measured spectral line of light, when the steam by the steam through the specimen to be measured in the ground state of the atom elements absorbed by the radiation characteristic spectrum of light is reduced the degree of determination of sample analyte. Because of the atomic absorption spectrometer is sensitive, accurate and simple characteristics, has been widely used in metallurgy, mining, geological analysis, petroleum, light industry, agriculture, medicine, health, food and environmental monitoring etc. the major and trace elements.

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

Q: What are the different methods of preventing cracks in a graphite crucible?: There are several methods to prevent cracks in a graphite crucible, including preheating the crucible before use, avoiding rapid temperature changes, using a protective coating, and ensuring proper handling and storage of the crucible.

Q: Can graphite crucibles be used for ceramic production?: No, graphite crucibles cannot be used for ceramic production. Ceramic production requires crucibles made from materials like alumina or zirconia, which can withstand high temperatures and provide a stable environment for the ceramic materials. Graphite crucibles are generally used for high-temperature applications involving metals and alloys.

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. One approach is to ensure that the crucible is thoroughly cleaned and free from any impurities before use. Additionally, using high-quality graphite crucibles that are specifically designed for high-temperature applications can minimize the risk of contamination. It is also crucial to handle the crucible with clean and dry tools to avoid introducing foreign substances. Finally, maintaining a controlled and stable melting environment, such as using a protective atmosphere or vacuum, can further prevent contamination by preventing the reaction of the crucible with surrounding gases or materials.

Q: How do you prevent graphite crucibles from overheating during use?: There are several measures that can be taken to prevent graphite crucibles from overheating during use. These include: 1. Gradual preheating: It is essential to preheat the crucible gradually before using it. Rapid heating can cause thermal shock and result in cracking or complete failure of the crucible. To avoid this, start by placing the cold crucible in a cool furnace and increase the temperature at a controlled rate until it reaches the desired operating temperature. 2. Avoiding direct contact with flames: It is not recommended to expose graphite crucibles directly to flames. The intense heat from open flames can cause rapid and uneven heating, leading to overheating and damage. Instead, it is advised to use a heating element or an indirect heat source, such as an electric furnace or an induction heater, for more uniform and controlled heating. 3. Controlling the heating rate: To prevent sudden temperature changes and thermal stress, it is important to control the heating rate. Following the manufacturer's guidelines or recommendations for the specific type of crucible being used is advisable. Generally, it is best to heat the crucible slowly and steadily to avoid overheating and potential damage. 4. Ensuring proper furnace controls: Accurate temperature controls and monitoring systems in the furnace or heating equipment being used are crucial. These controls help maintain a consistent temperature, preventing overheating of the crucible. Regular maintenance and calibration of the furnace are essential to ensure accurate temperature readings and proper functioning. 5. Allowing adequate cooling time: After use, it is important to allow the crucible to cool down naturally inside the furnace or heating equipment before removing it. Rapid cooling, such as exposing the hot crucible to cold air or water, can cause thermal shock and result in cracks or breakage. Patience is key during the cooling process to prevent overheating. 6. Regular inspection and maintenance: Regularly inspecting the crucible for any signs of damage, such as cracks, erosion, or wear, is necessary. Small cracks or damage can lead to overheating and failure. If any issues are detected, it is important to replace the crucible promptly to avoid potential hazards or accidents. By following these preventive measures and practicing proper handling and maintenance techniques, it is possible to prevent graphite crucibles from overheating and prolong their lifespan, ensuring optimal performance and efficiency.

Q: Graphite electrode, high temperature resistant oxidation coating, formulation technology: In the high temperature induction heating graphite crucible, graphite electrode used in high temperature oxidation environment will occur due to the high temperature arc part sublimation oxidation, will cause the continuous consumption of graphite crucible, even broken, broken. The graphite crucible loss rate will reach 40-60%. Zhi Sheng years of research production Wei Hua ZS high-temperature sealing paint is mainly used in high temperature environment protection against oxidation of graphite electrode, graphite crucible, graphite products, slow oxidation rate, increase the strength of the material, improve the service life. The fracture rate of graphite electrode is lower than that of graphite electrode.

Q: Will a graphite crucible conduct electricity?Soluble aluminum material with electric iron stove appearance: Thermal conductivity, conductive graphite is one hundred times higher than the general non metallic minerals. Its thermal conductivity is better than steel, iron and lead metal materials. The thermal conductivity decreases with the increase of temperature, even in high temperature, graphite as adiabatic. Because graphite conductive graphite to each carbon atom and other carbon only 3 atoms formed covalent bond, each carbon atom retains 1 free electrons to transfer charge.

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1. Manufacturer Overview

Location	Guangdong,China (Mainland)
Year Established	2010
Annual Output Value
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
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3. Manufacturer Capability

a) Trade Capacity
Nearest Port
Export Percentage	61% - 70%
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b) Factory Information
Factory Size:	1,000-3,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
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