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We all know that high-aluminum castable is a refractory castable with relatively high alumina content. It is widely used in the construction of high-temperature kilns. It has the characteristics of superior refractory performance, high-temperature resistance, corrosion resistance, and oxidation resistance. Therefore, the range and frequency of use are very high, but it is very important to choose high-aluminum castables that are effective when purchasing. Its quality determines the service life of the high-temperature kiln and the smelted materials during use. The quality of the material.
First of all, we need to know that high-aluminum castables are composed of aluminates, silicates, oxides, etc. To ensure the effect in high-temperature environments, we must strictly follow the requirements when proportioning raw materials. , incorrect proportion of raw materials will seriously affect the performance of the entire castable, so we need to confirm with the manufacturer’s technical staff when purchasing, and inform the technical staff according to the occasion of use, and the technical staff will according to your use occasion There are many options for you.
Secondly, the quality of high-aluminum castables during our use mainly depends on the following aspects, including compressive strength, thermal stability, thermal conductivity, thermal expansion coefficient, etc. These manufacturers will issue testing agencies when submitting for inspection, so we must ask the manufacturer for the inspection report when purchasing. From the report, we will get some parameters we want. If the parameters meet the standards or are higher than the standard line, it means that the quality of the high-aluminum castable is good.
Also, when we purchase high-aluminum castables if the above two aspects meet the standards, we can first purchase some samples from the manufacturer for experiments, which can ensure to the greatest extent an effect in our future use. If the experiment is qualified, then we will purchase it in large quantities. It will not be too late. If we do not conduct experiments in the early stage and purchase in large quantities, then our losses will be very large. This will not only be the cost of raw materials but also the cost of raw materials. The entire kiln needs to be reconstructed.
Everyone must know how to choose high-aluminum castables that are effective. Finally, when purchasing, we must comprehensively consider the overall cost and performance. In addition to considering various indicators of raw materials, we must also understand the manufacturer and manufacturer of the product. Brand and market reputation are also important factors in ensuring the selection of high-quality high-aluminum castables.
In addition to the methods mentioned above, we also need to pay attention to the following points when purchasing high-aluminum castables. First of all, we must choose high-aluminum castables produced by regular manufacturers, to ensure the quality and performance of the product. Secondly, pay attention to the packaging method of high-aluminum castables. Generally speaking, the packaging should be tight and there should be no damage or air leakage to prevent the product from being damaged during transportation. In addition, carefully check the production date and shelf life of the product, and choose products with a recent production date and a longer shelf life to ensure product quality and performance. Finally, you should consult the manufacturer’s after-sales service to understand the after-sales guarantee and technical support of the product, so that you can get timely help and support if problems arise during use. By comprehensively considering the above factors, selecting high-aluminum castables with excellent performance and reliable quality can provide a strong guarantee for the construction of high-temperature kilns and the production of smelting materials.
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