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: Process for producing carbon fiber board: Method for making carbon fiber sheet:1, first determine the thickness of the plate to be made2 calculate the required number of plies according to the thickness3, and then according to 0 degrees, 45 degrees, 90 degrees, -45 degrees in the order of stacking.4, and then molding it!Now carbon fiber board, in fact, many in the middle are entrained with some glass fiber cloth, of course, there are all carbon, a little more expensive!

Q: What is the starting temperature and final forging temperature of carbon steel?: 2. final forging temperatureThe final forging temperature, that is, the temperature at which the billet terminates, the final forging temperature shall ensure that the billet remains sufficiently plastic until the end of the forging, and that the forging is recrystallized after forging3. forging temperature rangeForging temperature range refers to a temperature interval between the initial forging temperature and forging temperature. To determine the basic principles of forging temperature, can ensure that the metal has a high plasticity and low deformation resistance in the forging temperature range, and organization and performance requirements. The forging temperature range should be as wide as possible, to reduce forging times, improve productivity.The starting temperature and the final forging temperature and the temperature range of the forging can be determined by the Fe Fe3C alloy phase diagram. The present state of the iron carbon alloy is a part of the iron carbon alloy with carbon content ranging from 0 to 6.69% (i.e., Fe - Fe3C part)The forging temperature range of carbon steel is shown in the shadow line shown in this figure

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: What is the difference in carbon content of low carbon steel, medium carbon steel and high carbon steel?: The carbon content of high carbon steel (AISI1055 ~ 1095) is 0.60% to 1.03%, manganese content is 0.30% to 0.90%, phosphorus content is not more than 0.04%, sulfur content is not more than 0.05%.

Q: How are fossil fuels formed from carbon?: Fossil fuels are formed from carbon through a natural process that takes millions of years. When plants and organic matter die, they get buried under layers of sediment and undergo decomposition. Over time, intense heat and pressure from the Earth's crust transform this organic matter into fossil fuels such as coal, oil, and natural gas. These fuels contain stored energy in the form of carbon compounds, making them valuable sources of energy when burned.

Q: What is carbon dioxide?: Comprising carbon and oxygen atoms, carbon dioxide (CO2) is an odorless and colorless gas. Its formation stems from the combustion of fossil fuels, respiration, and volcanic activity. In the Earth's atmosphere, carbon dioxide serves as a crucial greenhouse gas, effectively trapping heat and impacting the planet's overall temperature. Although it occurs naturally, human actions, such as burning fossil fuels and deforestation, have significantly escalated its presence in the atmosphere, consequently leading to global warming and climate change. Additionally, carbon dioxide is a byproduct of diverse industrial processes, including cement production and power generation. Thus, reducing carbon dioxide emissions is paramount to mitigating the consequences of climate change and preserving a sustainable environment.

Q: What is the burning point of carbon?: There are many forms of carbon, such as charcoal, coal, and even diamonds!And different forms have different ignition points!Generally speaking, the ignition point of charcoal is relatively low, about 300 degrees, and the coal is higher, at 600 - 700 degrees!

Q: How is carbon dioxide released into the atmosphere?: Carbon dioxide is emitted into the atmosphere due to a range of natural and human activities. The burning of fossil fuels, like coal, oil, and natural gas, for energy generation is one of the main sources of carbon dioxide. Combustion of these fuels releases carbon dioxide as a byproduct, which occurs in power plants, factories, and vehicles that rely on fossil fuels for energy. Deforestation and changes in land use also contribute to the release of carbon dioxide into the atmosphere. Through photosynthesis, trees absorb carbon dioxide, and when they are cut down or burned, the stored carbon is released back into the atmosphere. This is especially significant in tropical rainforests, which store large amounts of carbon in their vegetation. Furthermore, natural processes like respiration and volcanic eruptions release carbon dioxide into the atmosphere. In respiration, living organisms, including humans and animals, take in oxygen and exhale carbon dioxide as a waste product. Volcanic eruptions release carbon dioxide that was stored in magma and rock formations. In general, the release of carbon dioxide into the atmosphere is a combination of natural and human activities. However, human activities, particularly the burning of fossil fuels and deforestation, have significantly raised the levels of carbon dioxide in the atmosphere, resulting in the greenhouse effect and climate change.

Q: other parameters are figured out, the difference is only in the carbon and carbon is not very clear, just know that they are winding mode is the opposite, there are two kinds of most printers can be used, what is the difference between the performance of them? Two can use the printer in the selection of the best carbon or carbon? Why? Please cite several models as an example.Please answer in your own words. Don't factor,: SATO machine with carbon is better, and the CITIZEN printer inside and outside carbon can be used, in addition to machine limitations, not what the difference is too big, the quality of internal and external carbon ribbon is the same.

Q: What are the different types of carbon-based air pollutants?: There are several different types of carbon-based air pollutants that contribute to air pollution. These include: 1. Carbon Monoxide (CO): This is a colorless, odorless gas produced by the incomplete combustion of fossil fuels, such as gasoline, coal, and wood. It is highly toxic and can be harmful to human health, particularly when inhaled in high concentrations. 2. Carbon Dioxide (CO2): This is a greenhouse gas that is naturally present in the Earth's atmosphere. However, human activities such as the burning of fossil fuels and deforestation have significantly increased its levels, leading to climate change and global warming. 3. Volatile Organic Compounds (VOCs): These are organic chemicals that easily vaporize at room temperature. They are released into the air by various sources, including paints, solvents, gasoline, and industrial processes. VOCs contribute to the formation of ground-level ozone, which is a major component of smog and can be harmful to human health. 4. Methane (CH4): This is another greenhouse gas that is primarily produced by the decomposition of organic materials in landfills, as well as the extraction and transportation of natural gas. Methane is a potent greenhouse gas, with a much higher warming potential than carbon dioxide. 5. Polycyclic Aromatic Hydrocarbons (PAHs): These are a group of chemicals that are formed during the incomplete combustion of organic materials, such as coal, oil, and gas. PAHs are released into the air through vehicle exhaust, industrial processes, and the burning of fossil fuels. They are known to be carcinogenic and can have harmful effects on human health. 6. Formaldehyde (HCHO): This is a colorless gas that is used in the production of resins and plastics, as well as in some building materials and household products. It is released into the air through the burning of fuels, cigarette smoke, and the off-gassing of certain products. Formaldehyde is a known respiratory irritant and can cause allergic reactions and other health issues. These are just some of the carbon-based air pollutants that contribute to air pollution. It is important to reduce emissions of these pollutants through the use of cleaner technologies, energy-efficient practices, and the promotion of renewable energy sources to mitigate their negative impacts on both human health and the environment.

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