Kiln supplies such as sintering boxes and crucibles
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How to keep the graphite crucible from being damaged?
How to keep the graphite crucible from being damaged? We know that graphite crucible is widely used because of its excellent thermal conductivity and heat resistance. How to choose a high quality graphite crucible is important. To increase the use of silicon carbide crucible, the operation method is the second, the first to learn how to choose a good quality of silicon carbide crucible. Because the key to the melting of silicon carbide crucible metal materials, so it has a high temperature resistance, so the proper selection of a silicon carbide crucible seems to be crucial There are many areas that graphite crucible must pay attention to when it is applied. Its periodic characteristics are only very significant. The operation method in summer is different from that in winter. Once we do not attach importance to this key point, we will cause very large property losses, which will not only delay the progress of supply but also consume a lot of human and material resources. This is all about small losses. Winter is very harmful to the production of non-metallic materials such as graphite crucibles.
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2024
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How to improve the bulk density of graphite products processing
The coke value is related to the atmosphere in the baking system, because the decomposition of the binder in the product and the porosity of the product are much smaller than the filler, resulting in a gas concentration gradient between the product and the filler. The greater the gradient, the greater the gas diffusion rate in the product, so that the decomposition of the gas in the product is intensified, resulting in a decrease in the coke value. In order to obtain a large coke value, the air permeability of the filler cannot be too large. Pressurized baking is very effective in increasing the bulk density of the article. To control the final product bulk density, the bulk density of the green product must be measured and controlled. It can also be seen that an excessive amount of binder is detrimental to the bulk density of the article because 40% of the weight of the binder escapes as volatiles during the firing process. However, practice has also proved that if the binder is too small, there will be many pores in the raw product, which will also reduce the bulk density and affect other performance indicators.
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