manufacturer of zales silicon nitride ceramic loop
China Si3n4 Heating Protectiom Tube manufacturer, 2021-5-18 · Silicon nitride ceramic has good properties such as high strength, high hardness, and high temperature resistance, and its hardness can reach HRA91~93; It has good thermal hardness and can withstand high temperatures of 1300~1400℃; It has a small chemical reaction with carbon and metal elements, resulting in its friction ...
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