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Graphite blocks

Our factory supplies graphite blocks,1. High temperature resistance: Graphite block is one of the most high-temperature resistant materials known. It has a melting point of 3850 ° C ±50 ° C and a boiling point of 4250 ° C. It loses the least amount of graphite, 0.8% by weight, at an ultra-high temperature arc of 7000 ° C for 10S. It can be seen that the high-temperature resistance of graphite is very prominent.2. Special thermal shock resistance: Graphite has good thermal shock resistance, that is, when the temperature changes suddenly, the coefficient of thermal expansion is small, so it has good thermal stability, in the change of temperature cold and hot, no cracks will occur.3, thermal conductivity and electrical conductivity: graphite has good thermal conductivity and electrical conductivity. Compared with ordinary materials, its conductivity of heat and electricity is quite high. It is 4 times higher than stainless steel, 2 times higher than carbon steel, and 100 times higher than ordinary nonmetal.4, lubricity: graphite lubrication performance is similar to molybdenum disulfide, friction coefficient is less than 0.1. The lubricating property varies with the size of the scales. The larger the scales, the smaller the friction coefficient and the better the lubricity.5, chemical stability: at room temperature graphite has good chemical stability, acid resistance, alkali resistance, corrosion resistance of organic solvents.



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