Graphite Crucible/High Quality CNBM Graphite Crucibles

Graphite Crucible/High Quality CNBM Graphite Crucibles System 1

Graphite Crucible/High Quality CNBM Graphite Crucibles

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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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Specifications

1. SIC graphite crucible
2. high pure and density
3. high strength crucible
4. ISO 9001
5. high heat condduction

Product Description

A crucible is a container used to hold metal for melting in a furnace and it is needed to withstand the extreme temperatures encountered in melting metals. The crucible material must have a much higher melting point than that of the metal being melted and it must have good strength even when white hot.

Graphite crucible can withstand the high temperature, and has good resistance to chemical erosions and thermal shock. Especially graphite crucible is ideal for the melting of aluminum, copper and etc.

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

Usage

1. Graphite crucible cannot be exposed in moisture, and must be placed in indoor dry place or wooden shelf. Maintain ventilated. Moisture is strictly prohibited. Damped crucible is likely to crack.

2. Each crucible, especially damped ones, must be preheated and roasted in drying equipment or next to a ground furnace before use. The roasting temperature should start from a low temperature of 100°C below. Roast it to 150°C at a speed of not higher than 30°C per hour. Preserve the heat for about 8 hours and then dry it. The crucible dried next to a ground furnace should be placed at least for one shift, and often turned to change direction, till workers feel the internal wall of crucible is hot.

3. The melting time for the first time should be at least twice of the normal melting time, in order to avoid cracking inside the crucible due to heating up too fast, or even cracking immediately when the fire sets on.

4. Handle with care. Falling or shaking is strictly forbidden in order to present cracking. Crucible should be placed below the mouth of furnace to prevent the furnace lid abrading the upper edge of the crucible and thus affecting the capacity.

5. Pour out the remaining cold metals inside the crucible after use, and then add new materials. Carefully and gently add new materials into the crucible. Feed materials according to the capacity of crucible. It is not allowed to feed too many materials, in order to prevent crucible from swelling or bursting.

Picture

Graphite Crucible/High Quality CNBM Graphite Crucibles

Q:What is the role of carbon in the corrosion of metals?: Carbon can play a significant role in the corrosion of metals by acting as a catalyst or an electrolyte. It can accelerate the corrosion process by promoting the formation of corrosive substances such as carbonic acid or carbon dioxide. Additionally, carbon can act as an electrolyte in certain environments, facilitating the flow of electrons and ions between the metal and the surrounding medium, thus enhancing corrosion.

Q:What are the impacts of carbon emissions on the stability of grasslands?: Carbon emissions have significant impacts on the stability of grasslands. As carbon dioxide (CO2) is released into the atmosphere, it contributes to the greenhouse effect, leading to global warming. This increase in temperature has several detrimental effects on grasslands. Firstly, higher temperatures can disrupt the balance of grassland ecosystems. Many grassland species have specific temperature requirements for growth and reproduction. As temperatures rise, these species may struggle to adapt, leading to a decline in their populations. This can disrupt the overall biodiversity and ecological stability of grasslands. Secondly, global warming can alter precipitation patterns, leading to changes in water availability in grasslands. Reduced rainfall or increased evaporation can result in drought conditions, making it difficult for grasses to grow and thrive. This can lead to the desertification of grasslands, transforming them into barren areas devoid of plant life. Furthermore, carbon emissions contribute to the acidification of the oceans, which can indirectly impact grasslands. Acidic ocean waters affect marine organisms, including those responsible for generating nutrients that are carried by winds to coastal and inland grasslands. If these nutrient sources decline, grasslands may experience reduced fertility and productivity, affecting the stability of these ecosystems. Lastly, carbon emissions can also exacerbate the frequency and intensity of wildfires. Grasslands are naturally adapted to periodic fires, which play a crucial role in maintaining biodiversity and regulating plant populations. However, the increase in carbon dioxide levels can fuel more intense and frequent wildfires, which can destroy grasslands and make their recovery more challenging. In conclusion, carbon emissions have multiple negative impacts on the stability of grasslands. They disrupt the balance of grassland ecosystems, alter precipitation patterns, contribute to ocean acidification affecting nutrient sources, and increase the risk of wildfires. These effects can lead to biodiversity loss, desertification, reduced fertility, and overall instability in grassland ecosystems. It is crucial to reduce carbon emissions and mitigate the impacts of global warming to ensure the long-term stability and preservation of grasslands.

Q:Wrought iron, steel, cast iron, cast iron, according to the content of the carbon? How many?: Iron is almost a smelting furnace and cast iron products. Two smelting products, generally with silicon, manganese and other elements in pig iron based, often also need to be nurtured, spheroidization, compacted and heat treatment process.

Q:What's the difference between an alkaline cell and a carbon cell?: 3. Alkaline batteries, also called alkaline dry cells, are suitable for large capacity and long time use. The internal resistance of the battery is low, so the current produced is larger than that of the general zinc manganese battery, while the environmental protection type mercury content is only 0.025%, and no recycling is needed. Based on his environmental protection, and the current characteristics of large, so now alkaline battery more.4. In the final analysis, the essential difference between a carbon cell and an alkaline cell is the internal material. In short, carbon battery consists of carbon, zinc skin composition, but its internal cadmium and mercury, is not conducive to environmental protection, but it is cheap, so there is a space for one person in the market, and the alkaline battery no pollution of heavy metal ions, high current, conducive to environmental protection, is the future development direction of the battery!

Q:How does carbon dioxide affect textile production?: Textile production can be significantly impacted by carbon dioxide in various ways. Firstly, the manufacturing process of textiles generates carbon dioxide, which contributes to overall greenhouse gas emissions and worsens climate change. This, in turn, can result in long-term consequences like extreme weather events, rising temperatures, and sea-level rise. These outcomes can disrupt the supply chain and production of textiles. Furthermore, carbon dioxide emissions from textile production contribute to air pollution, which can adversely affect human health. Workers exposed to high levels of carbon dioxide may experience respiratory problems and other respiratory diseases as a result of the release of this greenhouse gas. Moreover, carbon dioxide is commonly used in the dyeing and finishing process of textile production. However, this practice can have detrimental effects on the environment. When carbon dioxide is released into water bodies during the dyeing process, it can contribute to water pollution, contaminating water sources and harming aquatic life. Additionally, excessive use of carbon dioxide in textile production can have economic implications. Since carbon dioxide is a byproduct of burning fossil fuels, its production is inherently tied to the consumption of non-renewable resources. The reliance on fossil fuels makes textile production vulnerable to price fluctuations, as the cost of carbon dioxide emissions and energy production can vary significantly. To mitigate the negative impacts of carbon dioxide on textile production, several measures can be implemented. These include adopting cleaner production techniques and technologies that reduce carbon dioxide emissions, such as utilizing renewable energy sources or implementing carbon capture and storage systems. Furthermore, investing in sustainable and environmentally-friendly materials, like organic cotton or recycled fibers, can help reduce the carbon footprint of textile production. Overall, reducing carbon dioxide emissions in textile production is crucial for the industry to become more sustainable and mitigate its environmental and health impacts.

Q:Often see the so-called 30T, 46T, 60T carbon fiber, 60T carbon fiber, equivalent to T hundreds of carbon fibers, is T800, or T1000? I'm not very good at parameter conversion. Is there a parameter list? How do I correspond to the T300T700T800 performance parameter table?: Two, 46T, 60T refers to high modulus carbon fibers. M series; T1000 refers to the high strength carbon fiber, belonging to the T series; M series and T series belong to different performance products.

Q:How does carbon affect the taste of food and beverages?: The taste of food and beverages can be significantly altered by carbon, which can come in the form of activated charcoal or carbonation. Activated charcoal is known for its ability to absorb impurities and toxins, making it a popular ingredient in various food and drink products. When added to food and beverages, activated charcoal can eliminate unpleasant smells and tastes, resulting in a cleaner and more enjoyable flavor. Carbonation, on the other hand, is widely used in beverages to create a fizzy sensation and enhance the overall sensory experience. By dissolving carbon dioxide gas in liquids under pressure, bubbles are formed when the pressure is released, giving the drink a refreshing and effervescent quality. This carbonation effect can impart a tangy or slightly acidic taste to the beverage, which is often considered pleasant and invigorating. Furthermore, carbonation can also impact the taste of food. For instance, the carbonation found in beer or sparkling wine can help balance the richness of certain dishes, adding a refreshing element and providing a cleanse for the palate. Carbonation can also be incorporated into certain foods, such as bread or pastry dough, to aid in rising and create a lighter texture. It is worth noting that the impact of carbon on the taste of food and beverages can vary depending on the specific application and concentration used. Additionally, the preference for carbonated or charcoal-free options is subjective, as some individuals may prefer non-carbonated alternatives. Ultimately, the use of carbon in culinary applications offers a multitude of possibilities for enhancing taste and providing unique sensory experiences.

Q:Yes, I have a weapon, want to strengthen 11, said to be advanced furnace rock carbon, do not know how to get, look at the prawns pointing: To strengthen the ordinary senior rock colorless, furnace carbon is used advanced, the mall did not buy, according to that wish gift box can be opened in some special activities in the last device can be bought in, no other time

Q:What are the consequences of increased carbon emissions on forest ecosystems?: Increased carbon emissions have significant consequences on forest ecosystems. One of the most notable impacts is the alteration of the climate and weather patterns. The excessive carbon dioxide in the atmosphere traps heat, leading to global warming. This rise in temperature can disrupt the delicate balance of forest ecosystems. Warmer temperatures can cause shifts in the distribution and composition of tree species, as some may struggle to adapt to the changing conditions. Another consequence of increased carbon emissions is the acidification of rainwater. When carbon dioxide combines with water vapor, it forms carbonic acid, which can fall as acid rain. Acid rain has detrimental effects on forest ecosystems, as it leaches important nutrients from the soil and damages tree leaves and other vegetation. This can weaken the overall health of the forest and make them more susceptible to diseases and pests. Furthermore, increased carbon emissions contribute to the intensification of wildfires. Higher temperatures and drier conditions provide the perfect environment for fires to spread and become more frequent. Forests that have evolved to withstand natural fire regimes may struggle to cope with the increased intensity and frequency of these fires. This can lead to the loss of biodiversity, destruction of habitat, and long-term degradation of forest ecosystems. Lastly, increased carbon emissions contribute to the phenomenon known as ocean acidification, where excess carbon dioxide is absorbed by the oceans. This acidification can affect the health of coastal and marine ecosystems, which are intricately connected to forest ecosystems. Many forest ecosystems, such as mangroves and salt marshes, provide vital nursery habitats for marine species. If these forest ecosystems decline due to carbon emissions, it can have cascading effects on the health and productivity of coastal and marine ecosystems. Overall, increased carbon emissions have far-reaching consequences on forest ecosystems. It alters climate patterns, causes acid rain, intensifies wildfires, and affects coastal and marine ecosystems. These impacts not only harm the trees and vegetation within the forests but also disrupt the delicate balance of the entire ecosystem, leading to loss of biodiversity and long-term degradation. It is crucial to mitigate carbon emissions and promote sustainable practices to minimize these consequences and preserve the health and integrity of forest ecosystems.

Q:What are the impacts of carbon emissions on the stability of wetlands?: Carbon emissions have significant impacts on the stability of wetlands, which are highly sensitive ecosystems. One of the main consequences of carbon emissions is the increase in greenhouse gases, particularly carbon dioxide, in the atmosphere. This leads to global climate change and subsequent alterations in weather patterns, temperature, and precipitation. These changes in climate have direct and indirect effects on wetlands. Firstly, rising temperatures can accelerate the rate of evaporation, leading to a decrease in water levels within wetlands. This can lead to the drying out of wetland habitats, disrupting the delicate balance of species that rely on these areas for survival. As wetlands dry up, the plants and animals that depend on them for food, shelter, and breeding grounds are threatened. Additionally, increased carbon emissions contribute to sea-level rise, which poses a significant threat to coastal wetlands. Rising sea levels can cause saltwater intrusion into freshwater wetlands, leading to salinization of the soil and negatively impacting the vegetation and organisms that inhabit these areas. This intrusion also disrupts the delicate balance between freshwater and saltwater, affecting the diverse ecological functions provided by wetlands, such as water filtration, nutrient cycling, and flood control. Furthermore, carbon emissions contribute to the acidification of water bodies, including wetlands. The absorption of excess carbon dioxide by water leads to a decrease in pH levels, making the water more acidic. Acidic water can harm the plants, animals, and microorganisms in wetlands, affecting their growth, reproduction, and overall survival. This disruption in the wetland ecosystem can have cascading effects on the entire food web and biodiversity of these areas. Overall, carbon emissions have a profound impact on the stability of wetlands. The alteration of climate patterns, sea-level rise, and acidification of water bodies are all consequences of carbon emissions that threaten the delicate balance and ecological functions of wetlands. Recognizing the importance of wetlands and effectively mitigating carbon emissions is crucial for preserving these vital ecosystems and the myriad of benefits they provide, including flood mitigation, water purification, and habitat for numerous plant and animal species.

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