Recarburizer updated material for iron melting foundry
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t
- Supply Capability:
- 500000 m.t/month
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Specifications:
The chemical composition is pure: high carbon, low sulfur, tiny nitrogen, slightly less harmful impurity.
The carburant has excellent features of high carbon, low sulfur, low nitrogen and little impurity. This product is used in casting, can significantly increase the amount of scrap steel, reduce the pig iron dosage or do not use pig iron. At present most recarburizer are suitable for electric furnace smelting, also have a few special recarburizer with fast absorption rate is used in cupola furnace.
Data Sheet:
Product Num. | Fix carbon (mix) | Sulphur (max) | Ash (max) | Volatile Matter(max) | Moisture (max) | Grain size
| Nitrogen (max) |
GH-CA-01 | 99.00% | 0.03% | 0.50% | 0.50% | 0.50% | 0.15-5mm | 300ppm |
GH-CA-02 | 98.50% | 0.06% | 0.80% | 0.70% | 0.50% | 0.15-5mm | 300ppm |
- Q: How is carbon used in the production of diamonds?
- The production of diamonds relies heavily on carbon, which is the primary component that constructs the diamond's structure. Deep within the Earth's mantle, where there are extreme levels of heat and pressure, carbon atoms bond together in a distinctive crystal lattice formation, giving birth to diamonds. This natural process, called carbon crystallization, takes place over an extensive period of millions of years. To create synthetic diamonds, scientists recreate these intense conditions in a laboratory. They employ high-pressure, high-temperature (HPHT) machines to subject a tiny piece of carbon, like graphite, to immense pressure and heat. This simulation imitates the natural process that occurs in the Earth's mantle, allowing the carbon atoms to rearrange themselves and transform into diamonds. An alternative method, known as chemical vapor deposition (CVD), involves the controlled use of a hydrocarbon gas, such as methane, in a specific environment. The gas is introduced into a chamber and heated, causing the carbon atoms to separate from the hydrogen atoms. These carbon atoms then settle on a substrate, like a diamond seed, and gradually accumulate layer by layer, eventually forming a diamond. In both methods, carbon acts as the fundamental building block for the diamond's structure. By manipulating the conditions in which carbon atoms are exposed to extreme heat and pressure, scientists and manufacturers are able to control the growth and formation of diamonds. This manipulation allows for the production of synthetic diamonds that possess identical physical and chemical properties to natural diamonds. In conclusion, carbon plays an indispensable role in the production of diamonds, serving as the essential element that facilitates the formation and growth of these valuable gemstones.
- Q: How is carbon used in the electronics industry?
- Carbon is used in the electronics industry in various forms, such as carbon nanotubes and graphene, to enhance the performance of electronic devices. These carbon-based materials possess excellent electrical conductivity, high strength, and thermal properties, making them ideal for use in transistors, batteries, capacitors, and other electronic components. Additionally, carbon is used as a crucial element in the manufacturing of printed circuit boards and as a key component in the fabrication of LCD screens and touchscreens.
- Q: How are carbon fibers produced?
- Carbon fibers are produced through a multi-step process known as carbonization. The process starts with a raw material called precursor, which is usually a polymer-based material such as polyacrylonitrile (PAN), rayon, or pitch. The first step involves spinning the precursor material into long, thin fibers. This can be done through various methods such as melt spinning, dry spinning, or wet spinning, depending on the type of precursor used. Once the fibers are formed, they undergo a stabilization process. This involves heating the fibers in the presence of oxygen at a relatively low temperature, usually around 200-300 degrees Celsius. Stabilization helps to remove any volatile components from the fibers and align the molecular structure in a way that enhances its heat resistance and strength. After stabilization, the fibers are subjected to a high-temperature treatment called carbonization. This process takes place in a furnace with little or no oxygen, typically at temperatures above 1000 degrees Celsius. During carbonization, the fibers are heated to a point where most of the non-carbon atoms are expelled, leaving behind a highly pure carbon structure. The final step in the production of carbon fibers is surface treatment. This involves applying a coating or treatment to the fibers to improve their bonding properties and adhesion with other materials. The surface treatment can be done using various methods such as sizing, coating, or plasma treatment. Overall, the production of carbon fibers involves a combination of spinning, stabilization, carbonization, and surface treatment processes to create fibers with exceptional strength, stiffness, and low weight. These properties make carbon fibers highly sought after in various industries, including aerospace, automotive, sports, and construction.
- Q: How does carbon contribute to the color of gemstones?
- Carbon contributes to the color of gemstones through its ability to absorb certain wavelengths of light. When carbon is present in gemstones, it can create various color centers that give the gemstone its distinct hue, such as yellow in diamonds or blue in sapphires.
- Q: What are the impacts of carbon emissions on the stability of mountain glaciers?
- Mountain glaciers are significantly affected by carbon emissions, which have significant consequences for their stability. The release of carbon dioxide and other greenhouse gases into the atmosphere contributes to global warming and climate change. This rise in global temperatures directly impacts the health and stability of mountain glaciers. One of the main outcomes of increased carbon emissions is the accelerated melting of mountain glaciers. Warmer temperatures cause glaciers to melt at a faster pace, resulting in a decrease in their size and volume. This not only affects the visual appeal of these natural wonders but also has major implications for water resources and ecosystems. Mountain glaciers serve as natural reservoirs, holding water in the form of ice and gradually releasing it over time. This process helps regulate water flow in rivers and streams, ensuring a consistent water supply for downstream communities, agriculture, and ecosystems. However, as carbon emissions contribute to glacier melting, this natural water storage mechanism is disrupted. The loss of glaciers leads to reduced water availability during dry seasons and can result in water scarcity for communities dependent on glacier meltwater. Moreover, the retreat of mountain glaciers due to carbon emissions has ecological consequences. These glaciers provide critical habitats for various plant and animal species. The loss of glacier ice and associated ecosystems can have a ripple effect on the entire ecosystem, resulting in the decline or even extinction of species reliant on glacier-fed environments. The impacts of carbon emissions on mountain glaciers also extend beyond local communities and ecosystems. Glacial meltwater plays a significant role in the overall water supply in many regions globally. As glaciers shrink and vanish, the availability of water resources becomes uncertain, particularly in areas heavily reliant on glacier meltwater. This can potentially lead to conflicts over water resources and worsen existing tensions. In conclusion, the stability of mountain glaciers is severely affected by carbon emissions. The accelerated melting of glaciers disrupts water availability, threatens ecosystems, and presents challenges for water resource management. It is crucial to reduce carbon emissions to mitigate these impacts and preserve the integrity and functionality of mountain glaciers.
- Q: Isotopes of carbon
- First, 14C dating method14C is the nature of the cosmic rays and atmospheric nitrogen produced by nuclear reactions. The carbon -14 not only exists in the atmosphere, with the absorption and metabolism of the organism, through the food chain into animal or human living organisms. All because of carbon in the generation side and the -14 side, at a constant rate decay, resulting in carbon -14 in nature (including all organisms) ratio and the content of carbon stable isotope -12 content remained unchanged.When the organism dies, due to the decay of carbon The new supersedes the old. stop, the decrease of -14, so the relative ratio of -14 and -12 in carbon carbon content corresponding decrease. By determination of biological fossils unearthed in the medium carbon -14 and carbon content of -12, can accurately calculate the death of the organisms (i.e. survival) in a given organism unearthed. For example the fossil, M grams of carbon (or carbon determination of the quality of -12), according to the relative ratio of various carbon isotope content of nature can be calculated, the organism is alive, the quality of carbon -14 should be m grams. But the actual measured carbon quality of -14 only m grams of 1/8, according to the half-life the biological death has been 3 for 5730 years, has been dead for seventeen thousand two hundred and ninety years. The United States radiochemist W.F. Libby has invented the method of radioactive dating, made outstanding contributions to Archaeology He was awarded the Nobel prize for chemistry in 1960Because of the very low carbon content of -14, and the half-life is very long, so -14 can accurately measure the carbon 5 to within 60 thousand years of the unearthed cultural relics, for older unearthed cultural relics, such as living in five hundred thousand years ago, Zhoukoudian Beijing man, using carbon -14 dating method is not determined to.
- Q: How does carbon affect the quality of indoor air?
- Carbon can have a significant impact on the quality of indoor air. One of the main contributors to carbon in indoor air is carbon dioxide (CO2), which is produced through the process of respiration by humans and animals. High levels of CO2 can cause discomfort, as it can lead to feelings of drowsiness, headaches, and difficulty concentrating. In addition to CO2, carbon monoxide (CO) is another carbon compound that can be present in indoor air, mainly due to the incomplete combustion of fossil fuels in stoves, fireplaces, and furnaces. Carbon monoxide is highly toxic and can be life-threatening if present in high concentrations. Apart from these direct sources of carbon, indoor air can also be affected by volatile organic compounds (VOCs), such as formaldehyde, benzene, and toluene. These VOCs are released from various sources like building materials, furniture, cleaning products, and tobacco smoke. They can have adverse health effects, including eye, nose, and throat irritation, headaches, dizziness, and in some cases, even long-term health risks like cancer. To maintain good indoor air quality, it is essential to monitor and control the levels of carbon compounds in the air. Proper ventilation is crucial to ensure fresh air circulation and reduce the concentration of CO2 and other pollutants. Regular maintenance and inspection of fuel-burning appliances can prevent the build-up of carbon monoxide. Using low-VOC or VOC-free materials and products, as well as avoiding smoking indoors, can help minimize the release of harmful carbon compounds.
- Q: Last night to go to the supermarket to buy 5 batteries, see Toshiba carbon batteries, I finally bought the super alkaline batteries, alkaline batteries and carbon is the difference in where? What kind of battery is best for digital cameras? Thank you
- Alkaline capacity, not drip waterThe camera needs to be chargedBuy expensive at the supermarket
- Q: What type of carbon copy sheet can be printed on? How many copies?
- Printed in carbon free carbon paper, usuallyUpper: whiteMedium: RedNext: yellowMainly depends on how much you want to print. Generally 100 pages, such as:One copy of the two couplet is 50 copies.One copy of the triad is 33 copies.One copy of the quadruple is 25 copies.This is a five of the 20.
- Q: What are the effects of carbon emissions on animal populations?
- Animal populations are profoundly affected by carbon emissions, which result in the disruption of ecosystems and the loss of habitats. The rise in carbon dioxide levels in the atmosphere leads to an increase in the Earth's temperature, causing climate change. This change in climate alters the availability of resources like food and water, making survival and reproduction more challenging for animals. Moreover, carbon emissions contribute to the acidification of the ocean. Seawater absorbs carbon dioxide, creating carbonic acid and lowering the ocean's pH. This acidification negatively impacts marine life, especially species that rely on calcium carbonate to build shells or skeletons, such as corals and shellfish. As their habitats become more corrosive, these animals struggle to survive and reproduce, resulting in significant population declines. Additionally, carbon emissions are closely associated with air pollution, which directly and indirectly affects animal populations. High levels of air pollution, particularly nitrogen dioxide and particulate matter, can cause respiratory problems and other health issues in animals. This reduces their fitness and increases mortality rates, ultimately influencing the overall population size. Lastly, carbon emissions contribute to deforestation and the destruction of habitats. Human activities like agriculture and urbanization clear more land, displacing animal populations and forcing them to adapt to fragmented landscapes. This fragmentation limits their movement, access to resources, and increases their vulnerability to predation and other threats. In conclusion, carbon emissions have extensive effects on animal populations, including habitat loss, climate change, ocean acidification, air pollution, and deforestation. These impacts disrupt ecosystems and jeopardize the survival of numerous animal species. It is crucial to address carbon emissions and reduce our carbon footprint to mitigate these detrimental effects and safeguard the Earth's biodiversity.
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Recarburizer updated material for iron melting foundry
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t
- Supply Capability:
- 500000 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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