Graphite Crucibles/CNBM China High Carbon
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0 m.t.
- Supply Capability:
- 100000 m.t./month
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Feature
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 |
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- Q:What is carbon neutral?
- Carbon neutral refers to achieving a state where the amount of carbon dioxide emitted into the atmosphere is balanced with the amount that is removed or offset. It is a widely used term in the context of addressing climate change and reducing greenhouse gas emissions. To become carbon neutral, one must first assess their carbon footprint, which involves calculating the greenhouse gases produced through activities like energy consumption, transportation, and waste management. Once the emissions are identified, steps are taken to decrease them through various methods, such as improving energy efficiency, utilizing renewable energy sources, and adopting sustainable practices. Although it is challenging to completely eliminate carbon emissions, it is crucial to reduce them. In cases where complete elimination is not possible, carbon offsets can be employed to compensate for the remaining emissions. Carbon offsets involve investing in projects that reduce or remove greenhouse gases from the atmosphere, like reforestation, renewable energy initiatives, or methane capture projects. By achieving carbon neutrality, individuals, organizations, or activities can assert that they are not contributing to the increase of greenhouse gases in the atmosphere. This is a significant objective in the battle against climate change, as it helps mitigate the adverse effects of carbon emissions and promotes a more sustainable and environmentally friendly future.
- Q:How does carbon impact the availability of clean transportation?
- Carbon impacts the availability of clean transportation through its contribution to greenhouse gas emissions. Carbon dioxide (CO2) is a major greenhouse gas responsible for climate change, and the burning of fossil fuels in traditional transportation systems releases significant amounts of CO2 into the atmosphere. This has led to the urgent need for cleaner alternatives in the transportation sector. Clean transportation options, such as electric vehicles (EVs) and hydrogen fuel cell vehicles, are designed to minimize carbon emissions. By utilizing electricity or hydrogen as the primary source of energy, these vehicles produce zero tailpipe emissions, significantly reducing the carbon footprint associated with transportation. However, the availability and adoption of these clean transportation solutions are directly impacted by carbon-related factors. One key factor is the energy infrastructure required to support clean transportation. Electric vehicles, for example, rely on charging stations and a reliable power grid. The production of clean electricity from renewable sources, such as solar and wind, is crucial to ensure that EVs are truly emission-free. Therefore, the carbon intensity of the electricity grid plays a vital role in determining the environmental impact of electric transportation. Furthermore, the availability of carbon-neutral fuels is another important aspect. Hydrogen fuel cell vehicles, which convert hydrogen into electricity to power the vehicle, require a readily available and sustainable source of hydrogen. Currently, most hydrogen is produced from natural gas, which generates CO2 emissions during the production process. However, advancements in technologies like electrolysis, which uses renewable electricity to split water into hydrogen and oxygen, are paving the way for carbon-free hydrogen production. Additionally, carbon pricing and policies also impact the availability of clean transportation. By putting a price on carbon emissions, governments and organizations incentivize the adoption of low-carbon transportation options. This can lead to increased investment in clean transportation infrastructure, research, and development, ultimately driving the availability and affordability of clean transportation solutions. In conclusion, carbon emissions from traditional transportation systems have necessitated the development and availability of clean transportation alternatives. Factors such as the energy infrastructure, availability of carbon-neutral fuels, and supportive policies all influence the availability and accessibility of clean transportation. By addressing carbon impacts, we can accelerate the transition to a more sustainable and environmentally-friendly transportation system.
- Q:What are the impacts of carbon emissions on the stability of islands?
- The stability of islands is greatly affected by carbon emissions, with significant and wide-ranging impacts. Climate change, which is caused by carbon emissions, leads to various consequences such as sea level rise, increased storm intensity, and ocean acidification. All of these factors pose serious threats to the stability of islands. Sea level rise is an immediate and visible consequence of carbon emissions on islands. As global temperatures rise, glaciers and ice caps melt, and ocean waters expand, the sea levels gradually increase. This rise in sea level puts low-lying islands in danger of being flooded, eroded, or even completely disappearing. In fact, many small islands, especially in the Pacific and Indian Oceans, are already witnessing the effects of rising sea levels, resulting in the loss of land, displacement of populations, and destruction of infrastructure. Another impact of carbon emissions on islands is the heightened intensity and frequency of storms. The warmer ocean temperatures caused by carbon emissions fuel the formation of tropical storms and hurricanes, which can cause devastating damage to island communities. These storms can lead to widespread destruction of homes, infrastructure, and ecosystems, resulting in long-term economic and social disruptions. Islands are particularly vulnerable to storm surges, which occur when strong winds push seawater onto land, causing extensive flooding and erosion. Ocean acidification, which is caused by the excess absorption of carbon dioxide by the ocean, is another significant consequence of carbon emissions on islands. Increased levels of carbon dioxide in the atmosphere lead to increased absorption by the ocean, resulting in a decrease in pH levels and making the ocean more acidic. This acidification poses a threat to coral reefs, which are crucial for island ecosystems and act as natural barriers against wave action and storm surge. Coral reefs provide habitats for a diverse range of marine life and are vital for tourism and local economies. The loss or degradation of coral reefs due to ocean acidification affects not only the biodiversity but also the ability of islands to withstand climate-related impacts. In conclusion, the impacts of carbon emissions on the stability of islands are profound and severe. Rising sea levels, increased storm intensity, and ocean acidification all present significant threats to the physical and social stability of island communities. It is crucial to take urgent action to reduce carbon emissions, invest in adaptation measures, and support island nations in building resilience to these impacts.
- Q:How does carbon impact the ozone layer?
- Carbon does not directly impact the ozone layer. However, carbon compounds such as chlorofluorocarbons (CFCs), which contain carbon, can have a significant impact on the ozone layer. When released into the atmosphere, CFCs can reach the stratosphere where they are broken down by ultraviolet (UV) radiation and release chlorine atoms. These chlorine atoms then catalytically destroy ozone molecules, leading to the depletion of the ozone layer. The destruction of the ozone layer is a critical environmental issue as it allows more harmful UV radiation from the sun to reach the Earth's surface. Increased UV radiation can have detrimental effects on human health, including skin cancer, cataracts, and weakened immune systems. It can also harm ecosystems by damaging phytoplankton, which are crucial for the marine food chain, and affecting the growth of plants and crops. To combat this problem, the international community has taken steps to reduce the production and use of ozone-depleting substances, including CFCs. The Montreal Protocol, an international environmental agreement, has been successful in phasing out the production of CFCs and other harmful substances. This has contributed to the recovery of the ozone layer, although it is still a long-term process. In conclusion, carbon itself does not directly impact the ozone layer. However, carbon compounds like CFCs, which are released into the atmosphere, can lead to the destruction of the ozone layer. Efforts to reduce the production and use of these ozone-depleting substances have been crucial in protecting the ozone layer and mitigating the harmful effects of increased UV radiation.
- Q:What are the industrial uses of diamonds?
- Diamonds have a wide range of industrial uses due to their exceptional physical properties. One of the most common industrial uses of diamonds is in the manufacturing of cutting and grinding tools. Diamond-tipped saw blades, drill bits, and grinding wheels are highly sought after for their superior hardness and abrasion resistance. These tools are used to cut and shape hard materials like concrete, ceramics, and metals. Diamonds also find extensive applications in the electronics industry. They are used as heat sinks in high-power electronic devices and as abrasive materials for polishing and lapping electronic components. The thermal conductivity of diamonds allows them to efficiently dissipate heat, making them ideal for electronic devices that generate a lot of heat during operation. Furthermore, diamonds are used in the production of specialized windows, lenses, and prisms for various scientific and industrial applications. Their optical properties, such as high refractive index and low dispersion, make them valuable for creating precision optics used in lasers, spectroscopy, and telecommunications. In addition, diamonds have found niche uses in the medical and dental fields. They are used in surgical tools such as scalpels and dental drills due to their exceptional hardness and ability to retain sharp edges. Diamond coatings are also applied to medical implants and prosthetics to improve their wear resistance and biocompatibility. Lastly, diamonds are utilized in the oil and gas industry for drilling and exploration purposes. Diamond drill bits are capable of penetrating extremely hard rock formations, making them essential for extracting oil and natural gas from deep beneath the Earth's surface. Overall, the industrial uses of diamonds are vast and diverse, ranging from cutting and grinding tools to electronics, optics, medicine, and even oil and gas exploration. The unique properties of diamonds make them indispensable in numerous industrial applications, contributing to advancements in various fields.
- Q:How does carbon affect the electrical conductivity of materials?
- The electrical conductivity of materials can be significantly affected by carbon due to its unique electronic properties. Carbon atoms can form various allotropes, including graphite, diamond, and fullerenes, each having distinct electrical conductive properties. Take graphite, for example. It consists of carbon atoms arranged in a hexagonal lattice structure, forming strong covalent bonds within each layer. However, weak van der Waals forces exist between the layers, allowing electrons to move easily in the plane of the layers. This delocalization of electrons in graphite contributes to its high electrical conductivity, as the free electrons can move freely and carry electrical charges. On the other hand, diamond, another form of carbon, has a three-dimensional covalent network structure. Each carbon atom forms four strong covalent bonds with neighboring atoms, resulting in a highly rigid and stable lattice. The absence of free electrons in diamond restricts the movement of electrical charges, making it an insulator. The electrical conductivity of fullerenes, which are spherical carbon molecules, can vary depending on their structure. Some fullerenes can act as semiconductors, meaning their electrical conductivity can be controlled by introducing impurities or applying external stimuli. Furthermore, carbon can be used as a dopant in certain materials to enhance their electrical conductivity. For instance, adding small amounts of carbon to silicon can improve its electrical conductivity, making it suitable for electronic devices. In conclusion, carbon's impact on electrical conductivity relies heavily on its structure and arrangement within a material. Understanding the different forms and properties of carbon allows engineers and scientists to design materials with desired electrical conductive characteristics for various applications.
- Q:What are the different types of carbon-based food additives?
- Some examples of carbon-based food additives include caramel color, vegetable carbon (activated charcoal), and carbon black. These additives are used for various purposes such as coloring, flavor enhancement, and texture improvement in food products.
- Q:I don't know the battery. Although I know the former is chemical energy, I want to know if the 1 grain size 5 can compare the charge capacity with the 1 grain 5 1ANot much of a fortune, but thank you very much for the enthusiastic friend who gave me the answer. Thank you!
- Note:The above parameter is the mean under the condition that no virtual object is includedAA's battery is size five (diameter 14mm, height 50mm)According to your description, what you mean by "capacitance" is power, which is the actual amount of electricity in the battery.Correct you a misunderstanding, that is, whether it is a one-time battery or lithium battery, rechargeable batteries (nickel hydrogen) are chemical batteries.AA disposable lithium iron batteries have made us resistant and energizer L91, prices in the 2-30 yuan a day before, regardless of the brand and price, the actual consumption of almost all.Hand hit, reference material is "flashlight everybody talks about" Forum
- Q:How does carbon impact the productivity of marine ecosystems?
- Marine ecosystems are greatly affected by carbon, impacting their productivity in various ways. One significant effect is seen through ocean acidification. When human activities release carbon dioxide into the atmosphere, a considerable portion is absorbed by the oceans. This excess carbon dioxide reacts with seawater, producing carbonic acid and causing a decrease in the ocean's pH. This rise in acidity has harmful consequences for numerous marine organisms, particularly those relying on calcium carbonate for their shells or skeletons, such as corals, shellfish, and certain plankton species. Ocean acidification hinders calcification, making it challenging for these organisms to develop and maintain their protective structures. This not only affects their survival but also has repercussions for the entire food chain. Many species depend on these calcium carbonate structures for food or shelter, so a decline in their productivity can have a cascading impact on the ecosystem. Moreover, heightened carbon dioxide levels in the ocean can also disrupt the metabolism and physiology of marine organisms. Some studies indicate that increased CO2 concentrations can impede the growth, development, and reproductive success of specific species. Consequently, overall productivity within the ecosystem decreases. Furthermore, marine ecosystems are also affected by climate change, which is fueled by the accumulation of carbon dioxide in the atmosphere. Rising temperatures disrupt the delicate balance of these ecosystems, altering the distribution and abundance of species, changing predator-prey dynamics, and causing shifts in the timing of crucial ecological events like spawning or migration. These changes have profound effects on the productivity of marine ecosystems, as different species struggle to adapt or compete under new conditions. In conclusion, carbon dioxide emissions have far-reaching consequences for marine ecosystems. Ocean acidification and climate change, both driven by excessive carbon dioxide, harm the productivity of marine ecosystems by impacting the growth, survival, and reproductive success of marine organisms. The effects of carbon on marine ecosystems underscore the urgent necessity to reduce greenhouse gas emissions and mitigate the impacts of climate change in order to protect these delicate and essential ecosystems.
- Q:What are the different types of carbon-based plastics?
- There are several different types of carbon-based plastics, each with unique properties and applications. Some common types include: 1. Polyethylene (PE): This is the most widely used plastic and can be found in various forms such as high-density polyethylene (HDPE) and low-density polyethylene (LDPE). PE is known for its strength, flexibility, and resistance to chemicals, making it suitable for applications like packaging, pipes, and toys. 2. Polypropylene (PP): PP is another popular plastic known for its high melting point, chemical resistance, and durability. It is commonly used in automotive parts, appliances, and packaging. 3. Polystyrene (PS): PS is a rigid plastic that is often used in disposable products like food containers and packaging materials. It is lightweight and has good insulation properties. 4. Polyvinyl Chloride (PVC): PVC is a versatile plastic that can be rigid or flexible depending on its formulation. It is commonly used in construction materials, pipes, cables, and vinyl flooring. 5. Polyethylene Terephthalate (PET): PET is a strong and lightweight plastic that is commonly used in beverage bottles, food packaging, and textile fibers. It is known for its excellent gas and moisture barrier properties. 6. Polycarbonate (PC): PC is a transparent plastic known for its high impact resistance and heat resistance. It is often used in eyewear, automotive parts, and electronic devices. These are just a few examples of carbon-based plastics, and there are many other variations and blends available in the market. The choice of plastic depends on its intended application, desired properties, and environmental considerations.
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Graphite Crucibles/CNBM China High Carbon
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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