Wollastonite under different grade and different size
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 3000 m.t./month
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USAGE:
Wollastonite is widely used in ceramic, coatings, plastics, rubber, welding, chemical, metallurgy, construction, automobile ,asbestos substitutes and paper industry . We can supply different grades of wollastonite powder, Acicular Wollastonite and other formal product.
Wollastonite
Cas no: 13983-17-0
1*20 FCL can load about 25-27 tons.
Brief Introduction of Our Products Wollastonite:The formula of Wollastonite is CaSiO3.The ideal chemicalspecifications are as followed:SiO2 :51.75% ; CaO:48.25% , heated-Swelling,
Coefficient:6.5*10-6°C-1, Moh's Hardness 4.5-5.0 , Density:2.8 , melting Point 1540°C , Refraction Index 1.62
It is mainly used in produces Coatings , plastics , Ceramic and building materials
SPECIFICATION OF CERAMICS GRADE
DescriptionWhite powder
ItemsSiO2 %CaO %MgO %Fe2O3 % S %P %Al2O3Loss %
Grade A≥49≥46≤0.8 ≤0.3≤0.01≤0.01 ≤ 0.8≤1.5
Grade B≥50 ≥43≤0.8 ≤0.3≤ 0.01≤0.01 ≤ 0.8≤3
Grade C≥51≥40≤0.8≤0.35≤ 0.01≤0.01≤ 0.8≤5
Size80-400 mesh or as request
Specification for Metallurgical Grade
ItemsSiO2 %CaO %MgO %Fe2O3 % S % P %Loss %White Grade
Grade A45-5638-43≤0.8≤ 0.2≤0.001≤0.0014.5-5.5 ≥80
Grade B49-5144-46≤0.8≤ 0.2≤0.001≤0.0011-2.5 ≥85
Size: From 80 mesh to 400mesh or adjusted according to customer’s request
4: Picture
- Q: How does carbon impact the stability of desert ecosystems?
- Desert ecosystems can be influenced both positively and negatively by carbon. On the positive side, carbon is crucial for all living organisms and is a vital component of organic matter. It plays a critical role in essential processes like photosynthesis, respiration, and decomposition that are necessary for the survival and growth of plants and other organisms in deserts. During photosynthesis, plants take in carbon dioxide, a type of carbon, to produce glucose and oxygen, which are essential for their growth. This supports the stability of desert ecosystems by promoting primary productivity and the food web. However, the excessive release of carbon into the atmosphere, primarily caused by human activities such as burning fossil fuels and deforestation, has resulted in an increase in greenhouse gases, including carbon dioxide. This leads to global warming and climate change, which have detrimental effects on desert ecosystems. The rising temperatures can disrupt the delicate balance of desert ecosystems, impacting the distribution and abundance of plant and animal species. Some plants may struggle to adapt to the changing climate while others may benefit, resulting in changes to species composition and the potential loss of biodiversity. Additionally, elevated levels of carbon dioxide can impact water availability in desert ecosystems. Higher carbon dioxide levels can enhance water-use efficiency in plants, allowing them to conserve water. While this can be advantageous in water-limited environments such as deserts, it can also alter water dynamics, affecting the availability of water resources for other organisms in the ecosystem. To summarize, carbon is essential for the stability of desert ecosystems as it supports primary productivity and the functioning of food webs. However, the excessive release of carbon into the atmosphere contributes to climate change, negatively impacting desert ecosystems by altering species distribution, reducing biodiversity, and affecting water availability. It is crucial to mitigate carbon emissions and promote sustainable practices to ensure the long-term stability and resilience of desert ecosystems.
- Q: What are the impacts of carbon emissions on glacier retreat?
- The impacts of carbon emissions on glacier retreat are significant and alarming. As carbon dioxide and other greenhouse gases are released into the atmosphere, they trap heat and contribute to global warming. This rise in temperature directly affects glaciers by accelerating their melting and retreat. Glaciers act as natural reservoirs of freshwater, and their retreat has severe consequences for water availability, ecosystems, and human populations that depend on them. Additionally, the melting of glaciers contributes to rising sea levels, which poses a threat to coastal communities. Overall, carbon emissions play a major role in driving glacier retreat and exacerbating the impacts of climate change.
- Q: Why is the solubility of carbon in austenite larger than that in ferrite?
- The carbon is soluble in the FCC -fe, forming austenite; the carbon dissolves in the body centered cubic alpha -fe to form ferrite. The gap radius of BCC (0.291,0.154) and the gap radius of face centered cubic (0.225,0.414) are large.
- Q: How does carbon dioxide affect climate change?
- Carbon dioxide (CO2) is a greenhouse gas that plays a significant role in climate change. When released into the atmosphere through natural processes like volcanic eruptions or human activities such as burning fossil fuels, CO2 traps heat from the sun and prevents it from escaping back into space, leading to a phenomenon known as the greenhouse effect. The increased concentration of CO2 in the atmosphere due to human activities, primarily the burning of fossil fuels like coal, oil, and natural gas, has led to an imbalance in the natural carbon cycle. This imbalance has resulted in a rapid increase in global CO2 levels, contributing to the warming of the Earth's surface and the subsequent changes in climate patterns. Since the Industrial Revolution, the burning of fossil fuels has caused a significant rise in atmospheric CO2 levels, increasing the Earth's average temperature. This rise in temperature affects various aspects of the climate system, leading to a range of impacts. One of the most evident consequences of increased CO2 levels is the rise in global temperatures. This temperature increase leads to the melting of glaciers and polar ice, causing sea levels to rise. Rising sea levels pose a threat to coastal areas and low-lying islands, resulting in increased flooding, coastal erosion, and the potential displacement of communities. Furthermore, elevated CO2 levels contribute to more frequent and intense heatwaves, droughts, and wildfires in many regions. These extreme weather events can have detrimental effects on agriculture, water availability, and human health. Carbon dioxide also affects the balance of ecosystems by altering the growth patterns and distribution of plant and animal species. Changes in temperature and precipitation patterns, driven by increased CO2 levels, disrupt the delicate web of life, leading to the loss of biodiversity and the potential extinction of certain species. To mitigate the impacts of CO2 on climate change, reducing greenhouse gas emissions is crucial. Transitioning to renewable energy sources, improving energy efficiency, and adopting sustainable practices are some of the steps that can help reduce CO2 emissions and limit the extent of climate change. Additionally, efforts to restore and protect forests and other natural carbon sinks can help absorb and store CO2, mitigating its effects on the climate.
- Q: How is carbon stored in the Earth's crust?
- Various forms of carbon are stored in the Earth's crust through different geological processes. One primary method of storage involves the creation of sedimentary rocks like limestone, dolomite, and chalk. These rocks consist mainly of calcium carbonate, which comes from the shells and skeletons of marine organisms that existed millions of years ago. As time passes, these remains gather on the ocean floor and become compressed and cemented, effectively trapping carbon within them. Another way carbon is stored in the Earth's crust is through carbonation. Carbon dioxide (CO2) from the atmosphere can dissolve in water and react with specific minerals, like basalt, leading to the formation of carbonate minerals such as calcite or magnesite. This natural process occurs through chemical weathering and volcanic activity, aiding in the sequestration of carbon within the Earth's crust. Moreover, organic carbon takes the form of fossil fuels, including coal, oil, and natural gas. These fuels are the remnants of ancient plants and microorganisms that lived and perished millions of years ago. Over time, the organic matter becomes buried and subjected to high pressure and temperature, resulting in a process known as diagenesis, which eventually converts it into fossil fuels. These deposits serve as carbon reservoirs within the Earth's crust. In summary, the Earth's crust acts as a significant carbon sink, efficiently storing carbon through processes such as the formation of sedimentary rocks, carbonation, and the accumulation of fossil fuels. However, it is crucial to note that human activities, particularly the combustion of fossil fuels, are releasing substantial amounts of stored carbon into the atmosphere, contributing to global climate change.
- Q: How much is a ton of carbon fiber? How much difference is made between domestic and imported?
- Depending on what type, the difference is different
- Q: How does carbon monoxide affect human health?
- Carbon monoxide is a highly toxic gas that can have severe impacts on human health. When inhaled, carbon monoxide enters the bloodstream and binds with hemoglobin, the molecule responsible for carrying oxygen to our cells. This binding is extremely strong and prevents oxygen from being delivered effectively, leading to a condition called carboxyhemoglobinemia. The symptoms of carbon monoxide poisoning can vary depending on the concentration and duration of exposure. Initially, individuals may experience mild symptoms such as headache, fatigue, dizziness, and nausea. However, as exposure continues or at higher concentrations, these symptoms can progress to confusion, impaired judgment, loss of consciousness, and even death. One of the most dangerous aspects of carbon monoxide is its ability to go undetected, as it is colorless, odorless, and tasteless. This makes it challenging to recognize its presence without proper monitoring equipment. Carbon monoxide poisoning can occur from various sources, including faulty heating systems, poorly ventilated appliances, and running engines in enclosed spaces. Prolonged or repeated exposure to carbon monoxide can have long-term health consequences. It can lead to neurological damage, memory loss, cognitive impairment, and even permanent brain damage. Additionally, it can exacerbate existing cardiovascular conditions, increasing the risk of heart attacks and strokes. To protect ourselves from carbon monoxide poisoning, it is crucial to have proper ventilation and functioning carbon monoxide detectors in our homes and workplaces. Regular maintenance of appliances and heating systems is also essential to minimize the risk of leaks. Recognizing the symptoms of carbon monoxide poisoning and seeking immediate medical attention are vital in preventing severe health outcomes.
- Q: How does carbon affect the formation of landslides?
- Carbon does not directly affect the formation of landslides. However, the presence of carbon in the form of organic matter can contribute to the stability of slopes as it plays a role in soil structure and moisture retention.
- Q: What is the melting point of carbon?
- The melting point of carbon is determined by the form in which it is discovered. There are several forms of pure carbon, such as graphite and diamond. Graphite possesses a melting point of about 3,600 degrees Celsius (6,500 degrees Fahrenheit), whereas diamond has an even higher melting point of roughly 3,827 degrees Celsius (6,920 degrees Fahrenheit). The reason for these elevated melting points lies in the robust covalent bonds between carbon atoms in these structures. However, it is crucial to acknowledge that carbon can also exist in amorphous states, like coal or charcoal, which lack a specific melting point since they undergo a gradual decomposition process upon heating.
- Q: What is a carbon electrode? What's the use? What's the current situation in the industry? Try to be specific. Thank you
- 2, application:Compared with other carbon products, carbon electrode has the characteristics of wide application field, and can be used in the smelting furnace of industrial silicon, yellow phosphorus, calcium carbide, ferroalloy and so on. Carbon electrodes have been used all over the mine furnace in developed countries.At present, in the smelting furnace of industrial silicon and yellow phosphorus, the graphite electrode with higher price has been replaced. In the submerged arc furnace of the same capacity, compared with graphite electrode, carbon electrode diameter can be made larger (now the domestic production of carbon electrode, Phi 650- Phi 1200mm graphite electrode at home can do with 600mm) in the furnace, arc zone broadening, arc stability, ensure the hot efficiency, increase the output of products, reduce the power consumption of products.
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Wollastonite under different grade and different size
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 3000 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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