Ceramic Graphite Crucibles/CNBM Ceramic Crucibles For Melt Aluminum
- Ref Price:
-
- 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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Features
1.Material:high pure graphite
2.Used for metal melting
3.Long life and good property
Product Description
The material of graphite crucible can be divided into artificial graphite,clay bonded graphite, and carbon bonded graphite.Artificial graphite crucible is made of graphite electrode as material and made out.
Clay bonded graphite, the main ingredient is natural crystal graphite and clay Now only used in small amount of high-temperature melting of cast iron, cast steel melting and melting of precious metals.
Carbon bonded graphite, the main ingredient is natural crystal graphite and silicon carbide. Mainly used in the melting of the majority of non-ferrous metals such as copper alloy and aluminum alloy.
Specification
a. High thermal conductivity
b.Thermal shock resistance
c.High temperature resistance
d.Corrosion resistance
d. Mechanical shocks resistance
d. Oxidation resistance
e. Anti-adhesive
f. Small metal contamination
g. Good clearner
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 |
Picture
- Q: What are the impacts of carbon emissions on glacier retreat?
- Carbon emissions have a significant impact on glacier retreat. As carbon dioxide and other greenhouse gases are released into the atmosphere through human activities, such as burning fossil fuels and deforestation, they contribute to global warming. This increase in global temperatures has a direct effect on glaciers. Glaciers are large bodies of ice that form over long periods of time from accumulated snowfall. They act as natural reservoirs of freshwater, providing a crucial source of drinking water to millions of people around the world. However, as the Earth's temperature rises due to carbon emissions, glaciers begin to melt at an accelerated rate. The warming climate causes glaciers to lose more ice through melting than they gain through snowfall. This leads to a net loss of ice, resulting in glacier retreat. As glaciers retreat, they not only shrink in size but also become thinner. This diminishes their ability to store water, affecting water availability in regions that rely on glacial meltwater for drinking, irrigation, and hydropower generation. Furthermore, glacier retreat has far-reaching consequences for ecosystems and biodiversity. Glaciers provide unique habitats for various species, including plants, animals, and microorganisms, which have adapted to survive in these extreme environments. As glaciers disappear, these species are forced to adapt or migrate to other areas, disrupting the delicate balance of ecosystems. The impacts of glacier retreat are not limited to local or regional scales. Glacial meltwater contributes to rivers and lakes, ensuring a consistent flow of water throughout the year. As glaciers shrink, this flow decreases, leading to water scarcity during dry seasons. This poses a threat to agriculture, urban water supplies, and the overall sustainability of ecosystems that rely on a stable water supply. Additionally, the loss of glaciers contributes to rising sea levels. When glaciers melt, the water they release flows into the oceans, causing them to expand. This exacerbates coastal erosion, increases the risk of flooding in low-lying areas, and threatens coastal communities and infrastructure. In summary, carbon emissions have a profound impact on glacier retreat. The resulting global warming accelerates the melting of glaciers, leading to water scarcity, biodiversity loss, increased sea levels, and various environmental and socio-economic consequences. It is crucial to address carbon emissions and take steps to mitigate climate change to preserve these vital ice formations and the ecosystems and communities that depend on them.
- Q: How are carbon compounds classified?
- Carbon compounds are classified based on the type and number of atoms bonded to carbon atoms. There are several categories of carbon compounds that include hydrocarbons, alcohols, aldehydes, ketones, carboxylic acids, esters, ethers, amines, amides, and many more. Hydrocarbons are carbon compounds that only contain carbon and hydrogen atoms. They can be further divided into two main categories: aliphatic hydrocarbons and aromatic hydrocarbons. Aliphatic hydrocarbons include alkanes, alkenes, and alkynes, which are classified based on the type of carbon-carbon bonds they have. Aromatic hydrocarbons, on the other hand, contain a ring structure and are known for their aromaticity. Alcohols are carbon compounds that contain a hydroxyl (-OH) group attached to a carbon atom. They are classified based on the number of hydroxyl groups attached to the carbon atom. For example, methanol is a monohydroxy alcohol, while ethylene glycol is a dihydroxy alcohol. Aldehydes and ketones are carbon compounds that contain a carbonyl group (C=O). Aldehydes have the carbonyl group attached to a terminal carbon atom, while ketones have it attached to an internal carbon atom. They are named based on the number and position of the carbonyl group in the molecule. Carboxylic acids are carbon compounds that contain a carboxyl group (-COOH). They are named by replacing the -e ending of the corresponding hydrocarbon with -oic acid. For example, methane becomes methanoic acid. Esters are carbon compounds that are derived from the reaction between a carboxylic acid and an alcohol. They have the general formula RCOOR’, where R and R’ can be any alkyl or aryl group. They are often named based on the alcohol and acid used to form them. Ethers are carbon compounds that have an oxygen atom bonded to two alkyl or aryl groups. They are named by listing the alkyl or aryl groups in alphabetical order followed by the word ether. Amines are carbon compounds that contain a nitrogen atom bonded to one or more alkyl or aryl groups. They are named by adding the suffix -amine to the name of the alkyl or aryl group attached to nitrogen. Amides are carbon compounds that contain a carbonyl group (C=O) bonded to a nitrogen atom. They are named by replacing -oic acid or -ic acid ending of the corresponding carboxylic acid with -amide. Overall, the classification of carbon compounds is based on their functional groups and the arrangement of atoms around the carbon atom. These classifications help to categorize and study the diverse range of carbon compounds found in nature and synthesized in the laboratory.
- Q: What's a carbon cloth to do as a fish pole?
- This is difficult, usually with a lathe like tool, by heating in the brush, layer by layer roll up, and finally cut off paint, baking
- Q: What is carbon black ink?
- Carbon black ink is a type of ink that is made by dispersing carbon black pigment in a liquid medium. It is commonly used in printing and writing applications due to its deep black color and high opacity.
- Q: What are the consequences of increased carbon emissions on human health?
- Human health is significantly affected by the increase in carbon emissions. One immediate consequence is the decline in air quality. Harmful air pollutants, like particulate matter, nitrogen oxides, and ground-level ozone, are formed due to carbon emissions. These pollutants can lead to respiratory problems, such as asthma, bronchitis, and other chronic obstructive pulmonary diseases. They can also worsen existing respiratory conditions, resulting in more hospitalizations and premature deaths. Moreover, carbon emissions contribute to climate change, which has extensive effects on human health. Rising temperatures can worsen the frequency and intensity of heatwaves, causing heat-related illnesses and deaths. Vulnerable populations, such as the elderly, children, and those with pre-existing health conditions, are particularly affected by heat stress. Climate change also influences the spread of infectious diseases. Changes in temperature and rainfall patterns can alter the behavior and distribution of disease-carrying vectors like mosquitoes and ticks. This can increase the transmission of vector-borne diseases, including malaria, dengue fever, and Lyme disease. Additionally, climate change can disrupt food and water supplies, leading to malnutrition and an elevated risk of waterborne diseases. Another consequence of carbon emissions is the increased occurrence of natural disasters, like hurricanes, floods, and wildfires. These events can cause physical injuries, displacement, and mental health issues, such as post-traumatic stress disorder. The destruction of healthcare infrastructure during disasters further hampers access to necessary medical care, aggravating health problems. It is important to note that vulnerable populations, such as low-income communities, indigenous communities, and developing countries, are disproportionately affected by the health impacts of increased carbon emissions. These groups often face limited access to healthcare, making them more susceptible to the consequences. In conclusion, the effects of increased carbon emissions on human health are severe. From the deterioration of air quality to the spread of infectious diseases and the occurrence of natural disasters, the impacts are extensive and pose significant risks to individuals and communities. It is crucial to mitigate carbon emissions and invest in sustainable practices to protect human health and establish a healthier and more sustainable future.
- Q: How does carbon impact the prevalence of landslides?
- Carbon, in the form of carbon dioxide (CO2), plays a significant role in impacting the prevalence of landslides. One of the primary ways carbon impacts landslides is through its contribution to climate change. Increased levels of CO2 in the atmosphere result in global warming, which alters weather patterns, precipitation levels, and the overall stability of slopes and landforms. Climate change caused by carbon emissions leads to more frequent and intense rainfall events in many regions. This increased rainfall can saturate soil and increase groundwater levels, making slopes more susceptible to landslides. Additionally, intense rainfall can erode the soil, further weakening the stability of slopes and increasing the likelihood of landslides. Another way carbon impacts the prevalence of landslides is through its impact on vegetation. Carbon dioxide is a vital component of photosynthesis, the process by which plants convert sunlight into energy. However, elevated levels of CO2 can affect plant growth and productivity. Plants play a crucial role in stabilizing slopes and preventing erosion through their extensive root systems. When carbon levels are high, plants may experience reduced growth, which weakens their ability to anchor the soil and protect against landslides. Moreover, carbon emissions contribute to the melting of glaciers and permafrost, which can trigger landslides in mountainous regions. Glaciers act as natural stabilizers, holding large amounts of rock and soil in place. When glaciers melt due to global warming, the sudden release of this material can trigger landslides and result in devastating consequences. In summary, carbon impacts the prevalence of landslides primarily through its contribution to climate change and its subsequent effects on weather patterns, vegetation growth, and the stability of slopes. Addressing carbon emissions and mitigating climate change is essential in reducing the occurrence and severity of landslides.
- Q: What is carbon sequestration?
- Carbon sequestration is the process by which carbon dioxide (CO2) is captured from the atmosphere and stored for an extended period of time, preventing it from being released and contributing to climate change. This technique aims to reduce the concentration of CO2 in the atmosphere, as this greenhouse gas is a major driver of global warming. Carbon sequestration can occur naturally through biological processes, such as photosynthesis in plants and algae, or it can be achieved through various artificial methods. Natural carbon sequestration occurs when plants, trees, and other vegetation absorb CO2 during photosynthesis and store it in their tissues. This process, known as terrestrial sequestration, plays a crucial role in reducing atmospheric CO2 levels. Additionally, oceans also act as a significant sink for CO2, absorbing and storing vast amounts of it. This is referred to as oceanic sequestration. Artificial carbon sequestration techniques involve capturing CO2 emissions from industrial processes, power plants, and other sources before they are released into the atmosphere. There are several methods for carbon capture, including pre-combustion capture, post-combustion capture, and oxy-fuel combustion. Once the CO2 is captured, it can be transported and stored underground in geological formations, such as depleted oil and gas fields or saline aquifers. This process is commonly known as carbon capture and storage (CCS) or carbon capture utilization and storage (CCUS). Carbon sequestration has gained significant attention due to its potential to mitigate climate change. By reducing the amount of CO2 in the atmosphere, it helps to slow down the pace of global warming and reduce the impacts of climate change. It is considered to be a crucial part of the broader strategy to achieve net-zero emissions, as it not only reduces future emissions but also removes CO2 that has already been emitted. However, carbon sequestration is not a silver bullet solution to climate change. It should be seen as a complementary approach to other mitigation efforts, such as transitioning to renewable energy sources and improving energy efficiency. Additionally, the long-term storage of CO2 requires careful monitoring and management to ensure its effectiveness and prevent any leakage or environmental risks. Overall, carbon sequestration is a vital tool in the fight against climate change, offering the potential to reduce greenhouse gas emissions and contribute to a more sustainable future.
- Q: What are the effects of carbon emissions on freshwater systems?
- Carbon emissions have significant effects on freshwater systems. Increased carbon dioxide levels in the atmosphere lead to a rise in global temperatures, which in turn affects freshwater ecosystems. Warmer water temperatures can disrupt the delicate balance of aquatic life, leading to the decline of certain species, including fish and other organisms that depend on specific temperature ranges. Additionally, carbon emissions contribute to ocean acidification, which ultimately affects freshwater systems through interconnected hydrological cycles. Acidic waters can harm freshwater organisms, deplete their food sources, and disrupt the overall health of these ecosystems. Overall, carbon emissions have a detrimental impact on freshwater systems, threatening their biodiversity and ecological stability.
- Q: How does carbon dioxide affect the formation of clouds?
- Carbon dioxide does not directly affect the formation of clouds. However, it is a greenhouse gas that contributes to global warming, leading to changes in atmospheric temperature and humidity, which can indirectly impact cloud formation and properties.
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Ceramic Graphite Crucibles/CNBM Ceramic Crucibles For Melt Aluminum
- 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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