Graphite Crucibles Wholesell/High Strengh CNBM
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0 m.t.
- Supply Capability:
- 10000 m.t./month
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Features
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: highdensity body and low apparent porosity greatly improve its heat conductivity.
3.Newstyle 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
Specification
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 |
Product Uses
1. Graphite crucible cannot be exposed in moisture, and must be placed in indoor dry place or wooden shelf. Maintain ventilated. Moisture is strictly prohibited. Damped crucible is likely to crack.
2. Each crucible, especially damped ones, must be preheated and roasted in drying equipment or next to a ground furnace before use. The roasting temperature should start from a low temperature of 100°C below. Roast it to 150°C at a speed of not higher than 30°C per hour. Preserve the heat for about 8 hours and then dry it. The crucible dried next to a ground furnace should be placed at least for one shift, and often turned to change direction, till workers feel the internal wall of crucible is hot.
3. The melting time for the first time should be at least twice of the normal melting time, in order to avoid cracking inside the crucible due to heating up too fast, or even cracking immediately when the fire sets on.
4. Handle with care. Falling or shaking is strictly forbidden in order to present cracking. Crucible should be placed below the mouth of furnace to prevent the furnace lid abrading the upper edge of the crucible and thus affecting the capacity.
5. Pour out the remaining cold metals inside the crucible after use, and then add new materials. Carefully and gently add new materials into the crucible. Feed materials according to the capacity of crucible. It is not allowed to feed too many materials, in order to prevent crucible from swelling or bursting.
6. Knock gently to remove slags and cokes on the internal and external wall of the crucible. Avoid damaging the crucible body.
7. In the melting process, do not add chloride solvents in order not to corrode the crucible. For the furnace that uses oil and coal gas as fuels, the oil wind should not reach one part of the crucible directly. Turn around the crucible from time to time, in order to avoid local damage.
8. Clamps and other discharging tools should comply with the shape of the crucible. During furnace discharging, remove the cokes on the external wall of the crucible, and lower the furnace temperature; do not discharge at high temperature after stopping blasting. Clamp the upper and middle parts instead of the top of the crucible in order not to damage the crucible. Graphite crucible is used mainly to melt gold, silver and other precious metals.
- Q:How is carbon used in the medical field?
- Carbon is used in various ways in the medical field due to its unique properties. One of the most common applications of carbon is in the form of activated charcoal, which is widely used in hospitals to treat cases of poisoning or drug overdoses. Activated charcoal has a large surface area, allowing it to adsorb toxins and chemicals, preventing them from being absorbed into the bloodstream. Carbon is also utilized in medical imaging techniques such as positron emission tomography (PET) scans. In PET scans, a radioactive form of carbon, known as carbon-11, is used to label molecules such as glucose. This labeled carbon is then injected into the patient, and its distribution in the body is detected by a PET scanner. This technique helps in the diagnosis and monitoring of various diseases, including cancer, by visualizing metabolic activity in different organs and tissues. Furthermore, carbon-based materials, such as carbon nanotubes and graphene, are extensively studied for their potential applications in drug delivery systems. These materials can be modified to carry therapeutic agents, such as drugs or genes, and deliver them to specific targets in the body. Carbon nanotubes, in particular, have shown promising results in enhancing drug delivery efficiency and reducing side effects. Moreover, carbon is used in the manufacturing of medical devices and implants. Carbon fiber-reinforced polymers are employed in orthopedic implants and prosthetics due to their strength, flexibility, and biocompatibility. Carbon-based materials also play a crucial role in the production of electrodes for various medical devices like pacemakers, defibrillators, and neurostimulators. In summary, carbon finds numerous applications in the medical field, ranging from treating poisonings to enhancing diagnostic imaging techniques, drug delivery systems, and the production of medical devices. It continues to be an essential component in advancing medical technology and improving patient care.
- Q:Want advanced reinforcement, but I do not know where the high furnace rock carbon, looking for someone to guide...
- Mall. In fact, BUG can be card out! Inside the palace there is that BUG, but I personally think that no use, I used to strengthen the use of advanced carbon weapons on 12, even 3 did not become a storm, this is only the way to make money TX it
- Q:How is carbon used in the production of adhesives?
- Carbon is used in the production of adhesives in several ways. One common method involves the use of carbon black, which is a fine powder made from the incomplete combustion of hydrocarbon fuels. Carbon black is added to adhesives to improve their strength, durability, and resistance to UV radiation. It acts as a reinforcing agent, increasing the adhesion and cohesion properties of the adhesive. Additionally, carbon fibers are sometimes incorporated into adhesives to further enhance their strength and mechanical properties. These fibers are made by heating and stretching synthetic fibers or natural materials like rayon or petroleum pitch. When added to adhesives, carbon fibers provide increased tensile strength and stiffness, making them ideal for applications that require high-performance adhesives. Moreover, carbon-based polymers, such as epoxies and polyesters, are widely used in adhesive formulations. These polymers are created through chemical reactions involving carbon-based monomers. They offer excellent bonding properties, high resistance to heat and chemicals, and can be tailored to specific application requirements. Furthermore, carbon-based resins can be modified with other additives and fillers to achieve specific characteristics, such as flexibility, impact resistance, or flame retardancy. In summary, carbon is utilized in the production of adhesives through the incorporation of carbon black, carbon fibers, and carbon-based polymers. These materials significantly enhance the strength, durability, and other properties of adhesives, making them suitable for a wide range of applications in industries such as automotive, construction, electronics, and aerospace.
- Q:What are the limitations of carbon dating?
- One limitation of carbon dating is that it can only be used to date organic materials up to around 50,000 years old. Additionally, the dating method can be affected by contamination or mixing of materials, which can lead to inaccurate results. Furthermore, carbon dating relies on the assumption that the atmospheric concentration of carbon-14 has remained constant over time, which is not always the case. Finally, carbon dating is not suitable for dating objects that do not contain carbon, such as rocks or minerals.
- Q:Can carbon be recycled?
- Yes, carbon can be recycled.
- Q:What is carbon capture and storage?
- The aim of carbon capture and storage (CCS) technology is to lessen carbon dioxide (CO2) emissions from major sources like industrial processes, power plants, and others. It works by capturing CO2 emissions before they are released into the atmosphere and then storing them securely underground. To capture carbon, specialized equipment is typically used to trap CO2 from flue gases or industrial processes. The captured CO2 is then compressed and transported through pipelines or ships to a suitable storage site located deep underground. These storage sites can include depleted oil and gas fields, saline aquifers, or deep coal seams. The storage process ensures long-term containment of CO2 and reduces the risk of leakage. This is achieved by monitoring the storage site for signs of leakage, maintaining the integrity of the storage infrastructure, and selecting suitable sites with geological features that aid in long-term CO2 containment. Carbon capture and storage has the potential to greatly reduce CO2 emissions and contribute to climate change mitigation. By capturing and storing CO2 instead of releasing it into the atmosphere, industries can continue using fossil fuels while minimizing their environmental impact. This is particularly beneficial for industries that are challenging to decarbonize, such as cement production, steel manufacturing, and natural gas power plants. Despite its promise, the widespread implementation of carbon capture and storage faces challenges and limitations. One significant challenge is the high cost associated with establishing CCS infrastructure and operations. Additionally, finding suitable storage sites and addressing public concerns about the safety and environmental impact of underground CO2 injection can pose significant obstacles. Nevertheless, carbon capture and storage is considered an essential tool in the battle against climate change. It can play a crucial role in achieving global emission reduction goals and transitioning to a low-carbon economy. With advancing technology and decreasing costs, the widespread adoption of carbon capture and storage may become increasingly feasible and necessary.
- Q:How does carbon affect the formation of heatwaves?
- Heatwaves are significantly influenced by carbon dioxide, a greenhouse gas. When humans release carbon dioxide into the atmosphere through activities like burning fossil fuels and deforestation, it acts like a blanket, trapping heat from the sun and preventing it from escaping into space. This is known as the greenhouse effect. As carbon dioxide levels increase, so does the Earth's temperature, resulting in more frequent and intense heatwaves. The excess heat trapped in the atmosphere creates a feedback loop, making the problem even worse. Heatwaves occur when high-pressure systems stagnate over an area for an extended period, causing temperatures to rise well above average. Carbon not only affects the intensity but also the duration of heatwaves. The enhanced greenhouse effect prolongs the duration of heatwaves, making them more perilous and destructive. Prolonged exposure to extreme heat can have severe consequences for human health, including heat-related illnesses, increased mortality rates, and reduced productivity. Furthermore, carbon emissions contribute to climate change, which alters weather patterns and leads to more extreme events like heatwaves. Climate models predict that unless carbon emissions are significantly reduced, heatwaves will become more frequent, longer-lasting, and more intense in the future. Addressing the issue of carbon emissions is essential in mitigating the impacts of heatwaves. Transitioning to cleaner and renewable energy sources, implementing energy efficiency measures, and promoting reforestation efforts are some of the steps that can be taken to reduce carbon dioxide levels. By doing so, we can mitigate the formation of heatwaves and safeguard both human health and the environment.
- Q:What is the role of carbon in the human body?
- Carbon plays a critical role in the human body as it is the basic building block of organic compounds. It forms the backbone of essential molecules like proteins, carbohydrates, lipids, and nucleic acids, which are vital for various biological processes. Additionally, carbon helps regulate energy metabolism, aids in cellular respiration, and is involved in the synthesis of hormones and neurotransmitters. Overall, carbon is essential for the structure, function, and overall health of the human body.
- Q:What should I do when carbon monoxide leaks?
- Be careful not to let their affected by the cold, otherwise, may make the body temperature decreased cardiac arrest. If the poisoned person can drink, can feed the hot tea and sugar, to keep warm, cold towel head can not be used, but can not pour cold water. Poisoning breathing difficulties or just stop breathing, artificial respiration should be immediately closed chest cardiac massage or first aid, and to call the ambulance the unit, or ask the neighbors to help, send the patient to the hospital for treatment.
- Q:What do you stand for?Tar, smoke, nicotine, and carbon monoxide. What do you mean? What's the size of the smoke, or the size of the smoke? What's the connection? Smoking is harmful, so how do you choose to smoke smaller cigarettes?
- The smoke was in the size of a smoker is refers to the amount of nicotine. The smoke is enough to mouth after the majestic. Enough cool,A novice at it. I think most of the carbon monoxide content. Carbon monoxide content is high after the head halo. The novice, this must be kept large. Tar, tar that smoke burning more fully the feeling in the mouth sweet, sweet fragrance..When is the strength of cigarettes and their taste.
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Graphite Crucibles Wholesell/High Strengh CNBM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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