Graphite Crucibles/High Heat Conduction CNBM

Graphite Crucibles/High Heat Conduction CNBM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 0 m.t.

Supply Capability:: 100000 m.t./month

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Packaging & Delivery

Packaging Details:	in plywood cases with foam inside for protection
Delivery Detail:	in 15~20 days since order confirmed

Features

1. SIC graphite crucible
2. high pure and density
3. high strength crucible
4. ISO 9001
5. high heat condduction

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

Pciture

Graphite Crucibles/High Heat Conduction CNBM

Q:What is the role of carbon in the corrosion of metals?: Carbon can play a significant role in the corrosion of metals by acting as a catalyst or an electrolyte. It can accelerate the corrosion process by promoting the formation of corrosive substances such as carbonic acid or carbon dioxide. Additionally, carbon can act as an electrolyte in certain environments, facilitating the flow of electrons and ions between the metal and the surrounding medium, thus enhancing corrosion.

Q:How is carbon used in the production of steel?: Carbon is added to iron ore during the steel production process to increase its strength and hardness. By combining with iron, carbon forms a solid solution, creating a material stronger than pure iron. The amount of carbon added determines the steel's properties, making it suitable for various applications such as construction, automotive, and machinery.

Q:What is the primary source of carbon monoxide in the atmosphere?: The primary source of carbon monoxide in the atmosphere is the incomplete combustion of fossil fuels, such as coal, oil, and gas, as well as biomass burning.

Q:What are the health effects of carbon pollution?: Carbon pollution, specifically in the form of carbon dioxide (CO2) emissions, has a range of health effects on both humans and the environment. The primary health concern associated with carbon pollution is its contribution to climate change. As CO2 is a greenhouse gas, it traps heat in the Earth's atmosphere, leading to global warming and subsequently altering weather patterns. This can result in more frequent and severe heatwaves, hurricanes, and other extreme weather events. These events have direct and indirect health impacts, including heat-related illnesses, injuries, displacement, and the spread of infectious diseases. Furthermore, carbon pollution is closely linked to air pollution, which has significant health consequences. The burning of fossil fuels, such as coal and oil, releases not only CO2 but also a range of toxic air pollutants, including sulfur dioxide, nitrogen oxides, particulate matter, and volatile organic compounds. These pollutants can cause respiratory problems, such as asthma, bronchitis, and other chronic obstructive pulmonary diseases (COPD). Additionally, they can trigger cardiovascular issues and increase the risk of heart attacks and strokes. The health effects of carbon pollution are not limited to the respiratory and cardiovascular systems. Increased temperatures and changes in precipitation patterns can also impact water and food supplies, leading to waterborne diseases, reduced crop yields, malnutrition, and food insecurity. Moreover, the environmental consequences of carbon pollution, such as deforestation and ocean acidification, further exacerbate health risks. Deforestation reduces the availability of clean air and the natural carbon sinks that absorb CO2, while ocean acidification damages marine ecosystems, affecting the availability of fish and other seafood, which are vital sources of nutrition for many communities. To mitigate the health effects of carbon pollution, it is essential to reduce greenhouse gas emissions by transitioning to cleaner and renewable energy sources, implementing energy-efficient practices, and adopting sustainable land-use and agricultural practices. Additionally, investing in healthcare systems and public health infrastructure to address the direct and indirect health impacts of carbon pollution is crucial.

Q:How does carbon affect the formation of acid rain?: The formation of acid rain is not directly influenced by carbon. Instead, it is mainly caused by the release of sulfur dioxide (SO2) and nitrogen oxides (NOx) when fossil fuels like coal and oil are burned. However, the emission of carbon dioxide (CO2) from the burning of these fuels contributes to climate change and indirectly impacts the formation of acid rain. The rise in atmospheric carbon dioxide levels leads to the trapping of heat, resulting in global warming. Consequently, this alters weather patterns and increases the frequency and intensity of extreme weather events. These alterations can affect the formation of acid rain by changing how sulfur dioxide and nitrogen oxides disperse. Furthermore, when fossil fuels are burned and release carbon dioxide, they also release sulfur dioxide and nitrogen oxides as byproducts. When these gases react with water, oxygen, and other chemicals in the atmosphere, they can be converted into sulfuric acid and nitric acid respectively. The increased combustion of fossil fuels, due to higher carbon dioxide emissions, can lead to a greater release of sulfur dioxide and nitrogen oxides into the atmosphere, exacerbating the formation of acid rain. Therefore, while carbon dioxide itself does not directly contribute to acid rain formation, its emissions indirectly contribute by amplifying the release and dispersion of sulfur dioxide and nitrogen oxides. To mitigate the formation of acid rain and its adverse effects on the environment and human health, it is crucial to reduce carbon dioxide emissions, as well as sulfur dioxide and nitrogen oxide emissions.

Q:How do you distinguish between alkaline and ordinary carbon cells?: Look at the identification of a cylindrical battery. Alkaline battery categories identified as LR, such as "LR6" as the No. 5 alkaline battery, "LR03" is the No. 7 alkaline battery; ordinary dry cell categories identified as R, such as "R6P" for high power 5 ordinary batteries, "R03C" type No. 7 for high capacity batteries.

Q:What are the consequences of increased carbon emissions on educational systems?: Increased carbon emissions can have several consequences on educational systems. Firstly, the health impacts of pollution caused by carbon emissions can lead to increased absenteeism among students and teachers, affecting the overall learning environment. Additionally, extreme weather events linked to climate change, such as hurricanes or heatwaves, can disrupt educational infrastructure, leading to school closures and disruptions in academic schedules. Moreover, the need to address climate change and its impacts may require educational institutions to allocate resources and curriculum time to climate-related topics, potentially diverting attention and resources from other subjects. Finally, the long-term consequences of climate change, such as rising sea levels or increased natural disasters, may force the relocation or rebuilding of educational facilities, causing significant disruptions to students' education.

Q:Which carbon content is larger, steel or pig iron?: carbon content more than 2.11% of iron, iron carbon content in general industry 2.5%--4%. I hope I can help you.

Q:What are the properties of carbon-based textiles?: Carbon-based textiles offer several distinct advantages in different applications. To begin with, they demonstrate exceptional strength and durability. Renowned for their high tensile strength, carbon-based textiles can resist stretching and tearing, enabling them to withstand harsh conditions and maintain their integrity over time. Moreover, these textiles possess excellent thermal conductivity, efficiently managing heat. This quality proves beneficial in industries like aerospace, automotive, and electronics, where effective heat dissipation is crucial to prevent system failures. Additionally, carbon textiles exhibit remarkable resistance to chemical corrosion, remaining structurally intact even when exposed to various chemicals, acids, and solvents. This resistance makes them ideal for applications in the chemical industry, where contact with corrosive substances is common. Another notable attribute of carbon textiles is their inherent flame resistance. They possess a high resistance to ignition and do not easily propagate flames. Consequently, they find use in environments where fire safety is paramount, such as protective clothing for firefighters and military personnel. Furthermore, carbon-based textiles display good electrical conductivity, making them suitable for electronics and electrical engineering applications. They effectively conduct electricity and dissipate static charges, reducing the risk of electrical malfunctions or damage. Lastly, carbon textiles have a low coefficient of thermal expansion, meaning they undergo minimal expansion or contraction with temperature changes. This property ensures their dimensional stability, guaranteeing that they maintain their shape and size under varying thermal conditions. In conclusion, carbon-based textiles possess a combination of strength, durability, thermal conductivity, chemical resistance, flame resistance, electrical conductivity, and dimensional stability. These properties render them highly versatile and suitable for a wide range of applications across various industries.

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