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 starting temperature and final forging temperature of carbon steel?: The forging temperature range should be as wide as possible, to reduce forging times, improve productivity.1. initial forging temperatureInitial forging temperature is blank began forging temperature should be understood as the highest heating temperature allows steel or alloy in the heating furnace. The furnace before removing from the blank to the forging equipment to forging blank, blank size according to the delivery method and heating furnace and forging a distance between the equipment, there are a few blank tens of degrees of temperature drop. Therefore, really began forging a low temperature, the initial forging blank before, should try to reduce the temperature drop.

Q: How does carbon impact the availability of clean water resources?: Carbon impacts the availability of clean water resources in several ways. Firstly, the burning of fossil fuels releases carbon dioxide (CO2) into the atmosphere, contributing to climate change. This leads to rising global temperatures, which in turn affect the water cycle. Increased evaporation rates and altered precipitation patterns can result in droughts or excessive rainfall, both of which can disrupt the availability and quality of clean water sources. Additionally, carbon emissions contribute to ocean acidification, which harms marine ecosystems and disrupts the delicate balance of marine biodiversity, ultimately affecting the quality and availability of freshwater resources.

Q: When will amines be fertilized?: Rain does not applyAttention should be paid to the following problems in the application of ammonium bicarbonate:(1) ammonium bicarbonate can not be mixed with alkaline fertilizer in order to prevent ammonia volatilization and cause nitrogen losses.(2) to achieve the "five not": that is not mixed with fine soil without nitrogen, and there was dew without nitrogen, rain without nitrogen, Tian no inch of water without nitrogen, the sun does not apply. If fertilization time was sufficient, it is best able to make deep application of ammonium bicarbonate fertilizer or fertilizer ball. In addition, ammonium bicarbonate in transportation and storage, light light, close packed, stored in a cool dry place, not with the basic fertilizer and human excrement mixed, so as to avoid loss of effective fertilizer.(3) do not contact crops, seeds, roots, stems and leaves, so as not to burn the plants.(4) do not do fertilizer, otherwise it may affect the germination of seeds.(5): bogey and mixed fertilizer after application of ammonium bicarbonate will release ammonia, fertilizer and fertilizer will make contact, bacteria in the death of the fertilizer losing effect.(6) avoid spraying: spraying ammonium bicarbonate are easy to be burnt leaf, affecting crop photosynthesis

Q: How does carbon affect water quality?: Carbon can have both positive and negative effects on water quality. On one hand, carbon is a natural part of the carbon cycle and plays a crucial role in maintaining the balance of aquatic ecosystems. Carbon can act as a nutrient for aquatic plants, promoting their growth and providing food and habitat for other organisms within the food chain. However, excessive amounts of carbon in water can lead to negative impacts on water quality. One way this occurs is through an increase in dissolved organic carbon (DOC). Elevated levels of DOC can result from the decomposition of organic matter, such as dead plants and animals, and the leaching of organic compounds from soil. These organic compounds can have negative effects on water quality by reducing the amount of dissolved oxygen available for aquatic organisms, which can lead to the suffocation of fish and other aquatic life. Additionally, high levels of carbon can contribute to the process of eutrophication. Eutrophication occurs when there is an excess of nutrients, including carbon, in water bodies, leading to an overgrowth of algae and other aquatic plants. This excessive growth can result in the depletion of oxygen levels in the water as the plants decompose, causing harm to fish and other organisms that rely on oxygen for survival. Furthermore, carbon can also interact with other pollutants present in water, such as heavy metals and pesticides, which can become more toxic and bioavailable when combined with carbon. This can have detrimental effects on aquatic organisms and disrupt the overall balance of the ecosystem. Overall, while carbon is essential for the functioning of aquatic ecosystems, excessive amounts can negatively impact water quality by reducing oxygen levels, promoting eutrophication, and enhancing the toxicity of other pollutants. Therefore, it is crucial to monitor and manage carbon levels in water bodies to ensure the maintenance of a healthy and balanced aquatic ecosystem.

Q: What are fullerenes?: Fullerenes are a unique class of molecules composed entirely of carbon atoms arranged in a spherical or cage-like structure. They were first discovered in 1985 and have since gained significant attention due to their interesting properties and potential applications in various fields. The most well-known and extensively studied fullerene is the buckminsterfullerene, also known as C60, which consists of 60 carbon atoms forming a hollow sphere resembling a soccer ball. Fullerenes can also have different numbers of carbon atoms, such as C70, C84, or even larger clusters. What makes fullerenes remarkable is their exceptional stability and unique structure. The carbon atoms in a fullerene are interconnected through covalent bonds, forming a closed network of hexagons and pentagons. This arrangement gives fullerenes their characteristic shape and provides them with remarkable mechanical, thermal, and chemical stability. Fullerenes possess a wide range of fascinating properties that make them intriguing for scientific research and technological applications. For instance, they exhibit high electrical conductivity and can act as efficient electron acceptors or donors in organic electronic devices. They also have excellent optical properties, such as strong absorption and emission of light, which have led to their use in solar cells and photovoltaic devices. Moreover, fullerenes have shown potential in medical and biological applications. Their unique cage-like structure allows for encapsulation of other molecules within their hollow interior, making them ideal for drug delivery systems. Fullerenes also possess strong antioxidant properties, which make them potential candidates for various therapeutic treatments. In summary, fullerenes are a fascinating class of carbon-based molecules with unique structures and remarkable properties. Their versatility and potential applications in electronics, energy, medicine, and other fields continue to be explored, making them an exciting area of study in modern science.

Q: How does carbon impact biodiversity?: Carbon impacts biodiversity in several ways. Firstly, carbon dioxide is a greenhouse gas that contributes to climate change, leading to shifts in temperature and precipitation patterns. These changes can disrupt ecosystems and alter habitats, affecting the distribution and survival of various species. Additionally, excess carbon in the atmosphere can lead to ocean acidification, which negatively affects marine biodiversity by harming coral reefs and other organisms reliant on calcium carbonate structures. Finally, deforestation and land-use changes associated with carbon emissions result in habitat loss, further reducing biodiversity. Overall, carbon emissions have significant and detrimental impacts on the delicate balance of ecosystems and the diversity of life on Earth.

Q: How is carbon used in the production of adhesives?: Adhesives make use of carbon in various ways during production. One way is by utilizing carbon black, a fine powder created from the incomplete combustion of hydrocarbon fuels. Adding carbon black to adhesives improves their strength, durability, and resistance to UV radiation. It acts as a reinforcing agent, enhancing the adhesive's adhesion and cohesion properties. Furthermore, adhesives sometimes incorporate carbon fibers to further enhance their strength and mechanical properties. These fibers are produced by heating and stretching synthetic fibers or natural materials like rayon or petroleum pitch. Including carbon fibers in adhesives increases their tensile strength and stiffness, making them ideal for high-performance applications. Additionally, carbon-based polymers like epoxies and polyesters find wide use 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 customized to meet specific application requirements. Moreover, carbon-based resins can be modified with other additives and fillers to achieve specific characteristics, such as flexibility, impact resistance, or flame retardancy. In conclusion, adhesives benefit from 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: How is carbon dating used to determine the age of fossils?: Carbon dating is used to determine the age of fossils by measuring the amount of radioactive carbon-14 remaining in the fossil. Since carbon-14 decays at a predictable rate, scientists can estimate the age of the fossil by comparing the ratio of carbon-14 to stable carbon-12 isotopes. This method is most effective for fossils up to 50,000 years old.

Q: How does carbon impact the prevalence of floods?: Carbon does not directly impact the prevalence of floods, but it does play a significant role in influencing climate change, which in turn can affect the occurrence and severity of floods. Carbon dioxide (CO2) is a greenhouse gas that is primarily responsible for trapping heat in the Earth's atmosphere, leading to a phenomenon known as global warming. This rise in global temperatures has several consequences, one of which is an increase in the frequency and intensity of extreme weather events, including floods. As the planet warms, the atmosphere is able to hold more moisture, resulting in an increased likelihood of heavy precipitation events. This can lead to more intense rainfall, causing rivers and other water bodies to overflow their banks and resulting in flooding. Additionally, warmer temperatures can also cause glaciers and ice caps to melt, contributing to rising sea levels, which can exacerbate the impacts of flood events, particularly in coastal regions. Furthermore, carbon emissions from human activities such as burning fossil fuels and deforestation are the primary drivers of climate change. By reducing our carbon footprint and transitioning to cleaner sources of energy, we can help mitigate the impacts of climate change and potentially reduce the prevalence of floods in the long term. It is important to note that while carbon emissions are a significant factor in climate change, they are not the sole cause of floods. Other natural factors such as rainfall patterns, topography, and land use also play important roles in determining flood risks.

Q: I saw a cell phone in the magazine, the global release of 900, no camera, what function is F1 carbon fiber material, actually sold 40000 yuan a piece!.. Everyone said that the circulation is so small, worth so much money? Or carbon fiber material worth so much money?: See where, in a car for example transformation kit, with super run even if the civil area shape roughly the same but the price difference, if you feel that things are expensive, natural carbon prices go up, in fact carbon species layout production process characteristics of professional strength lot, do not understand

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