The purpose of the electrode paste is to be a conductive material. When inspect the electrode paste index as the conductive material, people first focus on ash, and then focus on the specific resistance.
Because the purpose of the electrode paste is to be a conductive material, the specific resistance should be the first concern when examining the index of the conductive material. Although there is a certain correlation between the level of ash and the specific resistance, it is not necessarily a positive correlation. The relationship between the level of ash and the specific resistance is affected by many factors, such as the material itself, the composition of the ash, the processing temperature, and the material composition,ratio, product density, etc.
Therefore, the inspection of the electrode paste index first focuses on ash content, and secondly focuses on specific resistance.
Even the same material (same ash) has different specific resistances at different temperatures. electrode paste is a relatively simple product in the production of carbon products, but in their production links, from the calcination of raw materials to crushing, sieving, and the front-end links of ingredients are basically the same. And it is very important, which directly affects the output of finished products, the cost of production, and the final quality of the product; the scale of capital construction, capital investment, and the period of capital construction.
Therefore, before purchasing the electrode paste, test the sample, test the ash and resistivity, and other indicators, and compare the above standards to determine the quality of the product.
shengmiao
Harm of too high temperature: when molten steel out of cooper mold, the billet shell is thin and easy to break out; The accelerated erosion of refractory can ea
shengmiao
1. The barrier function (mainly completed by the liquid slag layer) isolates the contact between air and molten steel, blocks the secondary oxidation of molten
shengmiao
In continuous casting, low corrosion resistance often occurs, which directly leads to uneven composition and will eventually affect the smelting quality. In or