Foundry coke (SIZE80--120MM) with Chinese best price
- Ref Price:
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- 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 of foundry coke:
High quality products of Foundry coke
- Quick delivery with strong package
- Competitive price
- High quality
Packaging & Delivery:
Packaging Detail: | 25Kg pp or tone bag |
Delivery Detail: | 10 DAYS SINCE TODAY |
Foundry coke data sheet:
F.C | 86%MIN |
ASH | 12%MAX |
VM | 1.5%MAX |
S | 0.6%MAX |
SIZE | 80--120mm |
- Q:What are carbon nanotubes?
- Carbon nanotubes are cylindrical structures made entirely of carbon atoms arranged in a unique way. They have a diameter of only a few nanometers, hence the name "nanotubes". These tubes can be incredibly long, with lengths that can reach up to several centimeters. Carbon nanotubes possess extraordinary properties due to their unique structure. They are incredibly strong and have excellent mechanical properties, being about 100 times stronger than steel at one-sixth of the weight. Additionally, they have exceptional thermal and electrical conductivity. These nanotubes can be categorized into two main types: single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs). The single-walled nanotubes consist of a single layer of carbon atoms rolled into a tube, while multi-walled nanotubes consist of multiple layers of these tubes nested within each other. Carbon nanotubes find applications in various fields due to their exceptional properties. In electronics, they are used as transistors and interconnects due to their high electrical conductivity. They are also utilized in energy storage devices, such as batteries and supercapacitors, due to their high surface area and high electrical conductivity. In materials science, carbon nanotubes are used to reinforce composites, making them stronger and lighter. They also have potential applications in medicine, as drug delivery systems and as imaging agents. Research is ongoing to further understand and harness the potential of carbon nanotubes. However, challenges remain in terms of their large-scale production, cost-effectiveness, and potential health and environmental concerns. Overall, carbon nanotubes represent an exciting and promising area of nanotechnology with vast potential for advancements in various fields.
- Q:What are the effects of carbon emissions on the stability of mangrove forests?
- Carbon emissions have detrimental effects on the stability of mangrove forests. Increased carbon dioxide in the atmosphere leads to ocean acidification, which negatively impacts mangroves by inhibiting their growth and reducing their ability to survive. Additionally, rising temperatures resulting from carbon emissions contribute to sea level rise, which increases the risk of flooding and erosion in mangrove habitats. This disrupts the delicate balance of the ecosystem and threatens the overall stability and biodiversity of mangrove forests.
- Q:Who is the high carbon content of stainless steel and ordinary steel?
- Two, stainless steel according to different varieties, including carbon: 0--0.15%,Of which: 0--0.03% is called low carbon stainless steel.So, generally speaking, carbon steel has a higher carbon content.
- Q:What are the different types of carbon fibers?
- Different carbon fibers have distinct characteristics and properties. Some widely used types are as follows: 1. Carbon fibers based on polyacrylonitrile (PAN): These are the most commonly utilized carbon fibers and are derived from PAN precursor materials. They provide a balanced combination of strength, stiffness, and cost-efficiency. 2. Carbon fibers based on coal tar pitch or petroleum pitch: These fibers are made from precursor materials like coal tar pitch or petroleum pitch. They typically possess higher density and thermal conductivity compared to PAN-based fibers, making them suitable for applications that require excellent thermal stability. 3. Carbon fibers based on regenerated cellulose (rayon): These fibers are produced from regenerated cellulose, commonly known as rayon. They have lower modulus and strength compared to PAN-based fibers but offer exceptional electrical conductivity. Consequently, they find extensive use in applications such as conductive textiles and electrical components. 4. Carbon fibers based on mesophase pitch: These fibers are manufactured from a precursor material called mesophase pitch, which is a liquid crystalline substance. They possess high modulus and excellent thermal conductivity, making them ideal for applications that demand high strength and heat resistance, like the aerospace and automotive industries. 5. Vapor-grown carbon fibers (VGCFs): These fibers are created through the chemical vapor deposition (CVD) method. They have a unique tubular structure and high aspect ratio, resulting in exceptional mechanical and electrical properties. VGCFs are often employed in advanced composite materials and nanotechnology applications. It is crucial to consider the specific requirements of the application, such as mechanical strength, thermal stability, electrical conductivity, or cost-effectiveness, when selecting the appropriate carbon fiber type.
- Q:How does carbon impact the quality of freshwater systems?
- Carbon can have a significant impact on the quality of freshwater systems. One of the main ways carbon affects these systems is through the process of carbon dioxide (CO2) emissions. When excess CO2 is released into the atmosphere, it can dissolve in rainwater and form carbonic acid. This acidification of freshwater bodies can lower the pH levels, making the water more acidic. High levels of acidity can be detrimental to many freshwater organisms, including fish, amphibians, and invertebrates. It can disrupt their reproductive systems, impair their growth and development, and even lead to the death of these organisms. Additionally, increased acidity can also affect the availability of essential nutrients in the water, further impacting the health and survival of aquatic life. Another way carbon impacts freshwater systems is through the process of eutrophication. Excess carbon can enter freshwater bodies through runoff from agricultural fields or wastewater treatment plants. This excess carbon acts as a nutrient, fueling the growth of algae and other aquatic plants. As these plants proliferate, they can create dense mats on the water's surface, blocking sunlight and depleting oxygen levels. The depletion of oxygen can lead to hypoxia, a condition where oxygen levels become dangerously low, resulting in the death of fish and other organisms. Additionally, the excess growth of algae can lead to algal blooms, which can release toxins into the water, further impacting the quality of freshwater systems. Furthermore, carbon can also impact the temperature of freshwater systems. Increased levels of carbon dioxide in the atmosphere contribute to global warming, which raises the overall temperature of the planet. As a result, freshwater systems may experience higher water temperatures, leading to changes in the ecosystem. Some species may struggle to adapt to these warmer conditions, while others, such as invasive species, may thrive. In conclusion, carbon has a significant impact on the quality of freshwater systems. It can lead to acidification, eutrophication, and changes in temperature, all of which have detrimental effects on the health and survival of aquatic organisms. Addressing carbon emissions and reducing our carbon footprint is crucial in protecting the integrity of freshwater systems and ensuring their long-term sustainability.
- Q:What is carbon offsetting in aviation?
- Carbon offsetting in aviation refers to the practice of compensating for the greenhouse gas emissions produced by aircraft by investing in projects that reduce or remove an equivalent amount of carbon dioxide from the atmosphere. This voluntary measure aims to mitigate the environmental impact of air travel by supporting initiatives such as renewable energy projects or reforestation efforts.
- Q:What can light hydrocarbon carbon five be packed with?
- Light hydrocarbon carbon fiveLight hydrocarbon carbon five is a light yellow or colorless transparent flammable liquid with a density of 0.60-0.68 and a boiling point of 36.1 degrees. The calorific value of liquid light hydrocarbons is 10800kcal/kg. (the current price in Chengdu is 2000 yuan / ton, and the monthly supply is about 1000 tons.).
- Q:How does carbon affect the formation of desertification?
- The formation of desertification is not directly affected by carbon. Rather, desertification is primarily caused by a combination of natural factors, such as climate change, prolonged drought, and human activities like deforestation and overgrazing. However, carbon does play an indirect role in exacerbating desertification through climate change. Carbon dioxide (CO2), a greenhouse gas, is released into the atmosphere through human activities, particularly the burning of fossil fuels. The increased concentration of CO2 in the atmosphere leads to global warming, which alters climate patterns and increases the frequency and intensity of droughts. Prolonged droughts deplete soil moisture, making the land more susceptible to erosion and degradation, thus contributing to the desertification process. Furthermore, carbon indirectly affects desertification through deforestation. Trees and other vegetation play a vital role in maintaining healthy soil by preventing erosion, retaining moisture, and providing shade. When forests are cleared, the carbon stored in trees is released into the atmosphere, contributing to higher CO2 levels. Additionally, the loss of vegetation cover exposes the soil to erosion by wind and water, which accelerates desertification. It is important to acknowledge that while carbon indirectly impacts desertification through climate change and deforestation, desertification itself is a complex process influenced by various factors. Addressing desertification requires a comprehensive approach involving sustainable land management practices, reforestation efforts, water management, and strategies to mitigate climate change.
- Q:What is the structure of a diamond, a form of carbon?
- The structure of a diamond, a form of carbon, is a crystal lattice arrangement where each carbon atom is covalently bonded to four other carbon atoms in a tetrahedral arrangement. This gives rise to a three-dimensional network of carbon atoms with a repeating pattern. The bonds between the carbon atoms are extremely strong, resulting in the hardness and durability of diamonds. The arrangement of carbon atoms in a diamond forms a cubic crystal system, specifically the face-centered cubic (FCC) structure. This means that each carbon atom is surrounded by a total of eight neighboring carbon atoms, creating a dense and tightly packed structure. The strong covalent bonds and the compact arrangement of carbon atoms in the diamond lattice give rise to the unique properties of diamonds, such as their exceptional hardness, high thermal conductivity, and optical brilliance.
- Q:How is carbon used in the production of cosmetics?
- Carbon is used in the production of cosmetics in various ways. One of the most common uses of carbon in cosmetics is as a coloring agent. Carbon black, a form of carbon, is used as a pigment in many cosmetic products such as eyeliners, mascaras, and eyeshadows to give them a deep black color. It is also used as a colorant in nail polishes and lipsticks. Carbon is also used in the production of activated charcoal, which has gained popularity in recent years for its detoxifying properties. Activated charcoal is derived from carbon and is used in skincare products such as face masks, cleansers, and scrubs. It is known for its ability to absorb excess oil and impurities from the skin, making it a popular ingredient in products targeting oily and acne-prone skin. Additionally, carbon is used in the manufacturing of exfoliating products. Microbeads, which are tiny particles used in facial scrubs and body washes to remove dead skin cells, can be made from carbon. These microbeads help to gently exfoliate the skin, leaving it smooth and rejuvenated. Furthermore, carbon is used in the production of some cosmetic base materials. For example, carbon is an essential component in the creation of emollients, which are substances that help to moisturize and soften the skin. Emollients are commonly found in creams, lotions, and lip balms, contributing to their hydrating properties. In conclusion, carbon plays a crucial role in the production of cosmetics. From providing color to enhancing the efficacy of skincare products, carbon is a versatile ingredient that contributes to the aesthetics and functionality of various cosmetic formulations.
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Foundry coke (SIZE80--120MM) with Chinese best price
- 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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