Preparation, characteristics and application of silicon powder

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Silicon Powder A special trapping device is used to collect and process smoke and dust escaping from an industrial electric furnace during the smelting of industrial silicon and iron-silicon. Silicon fume is the name given to the smoke and dust that escapes from an industrial electric furnace. It contains 90% SiO2, the particles are very small and average size is near nanometers. Performance and usage of silicon powder
The fine processing of silicon powder involves crushing, purifying and grinding quartz (also known as silica dioxide). It is characterized by its high purity, white colour, and a good particle size distribution. It is unique and has a wide range applications.
Silicon Powder Performance
(1) Good insulation is achieved by silicon powder: Due to its high purity and low impurity levels, as well as the stable performance of the product, it has excellent insulation properties and resistance to arcs.
(2) Silicone powder can reduce exothermic peak temperatures of the curing reaction, and reduce linear expansion coefficients and shrinkage rates of the cured products, thereby preventing cracking and eliminating internal stresses.
Silicon powder does not react easily with other substances. Silicon powder also doesn’t chemically react to most acids or alkalis. The particles are uniformly distributed on the surface and exhibit strong corrosion resistance.
(4) The particle size of the silicon powder is appropriate, which reduces and eliminates precipitation and delamination in use. It also increases the strength, tensile, and compressive of the finished product. Improve flame retardant properties.
(5) Silicone treated with silane coupling is a good wettability for resins of various types, has good performance in adsorption, and can be easily mixed.
(6) Silicon powder The organic resin is filled with this filler, which improves performance while reducing the cost.
Preparation silicon powder
The preparation of silicon using blocks of silicon as the raw material can be done in many ways. There are four methods that produce better results and have a wider application: the Raymond method (also called the roller mill), the disc grinding method and the punching-and-spinning method. The Raymond method is used, as well as the roller mill, disc (also known vertical mill), and the punching and spinning methods. According to the milling principle, the first 3 are extrusion crushers, while the last are impact crushers. The structure of each mill is very different. Each mill has its own unique characteristics and its own advantages and drawbacks.

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