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Used as mold release agent for polycrystalline silicon and single crystal silicon quartz crucible; used as advanced refractory material; used in thin film solar cells; etc.
Description:1. It is used as mold release agent for polycrystalline silicon and single crystal silicon quartz crucible. Prevent the inner wall of the crucible from sticking to the molten silicon material, facilitate demolding, and at the same time act as a barrier layer to ensure the purity of the silicon material. Solar-grade silicon nitride powder is used as a mold release agent and sprayed on the inner surface of the polysilicon ingot crucible, which is an essential product for the production of polysilicon ingot.2. Silicon nitride is used as a high-grade refractory material. For example, SI3N4-SIC refractory is used in blast furnace body and other parts in cooperation with sic; when it is used in combination with BN as SI3N4-BN material, it is used in horizontal continuous casting separation ring.Storage Condition:Silicon Nitride Powder should be stored in sealed, avoid light, dry place. Room temperature storage is ok.SEM :
