Ceramic screw is a kind of special ceramic products prepared by zirconia, alumina, silicon nitride and other ceramic powders, it is known that special ceramics have stable physical and chemical properties, physical properties are mainly in high temperature resistance, light weight, insulation, high hardness, strength, wear resistance, etc., chemical properties are mainly surface in acid and alkali resistance, anti-oxidation, etc.; so far, ceramic screws have been widely used in Medical equipment, industrial equipment, energy and chemical industry, communications and electronics, marine and aviation applications.
Ceramic screws have high hardness, high resistance, high temperature resistance, corrosion resistance, oxidation resistance, not affected by magnetization excellent characteristics, not only can be comparable to metal screws, its physical characteristics are also very stable, the hardness is close to diamond, in the case of continuous friction can remain intact, not due to wear and tear will not lead to changes in the shape of the thread;
ceramic screws have excellent electrical insulation properties at room temperature, not with acid and alkali It can withstand the high and low temperature of the working environment and maintain the stable strength under the temperature of -70 to 800℃.
Classification of ceramic screws
Slotted shape: cross, word, hexagon, meter, plum, etc.
Material type: zirconia ceramic screws, alumina ceramic screws, silicon nitride ceramic screws.
Head shape: hexagonal head ceramic screws, hexagonal head ceramic screws, pan head ceramic screws, flat / countersunk head ceramic screws, etc.
Ceramic screws into the process is mainly through the mold molding to achieve mass production, different molds, production processes, powder raw materials will also have a different impact on the screw, and the performance of ceramic screws in recent years has been improving, its use is becoming more and more extensive, some ceramic screws mechanical properties can be comparable to metal screws, and in some special areas even replace the status of metal screws.
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