Chinese Silicon Metal
China is the origin of the world's leading silicon metal, Chinese silicon metal export price is always low, coupled with low-level redundant construction and the race to cut prices on the Chinese domestic disorderly competition, make Chinese silicon metal export prices grossly low.
Silicon metal, also known as crystalline silicon or industrial silicon, its main use is as a non-iron-based alloy additives. Its add-on products include: microsilica, silicon edge leather, black silicon, silicon metal slag.
Chinese production of silicon metal (silicon content is 98.5%), the production of original metallurgical silicon, chemical metal silicon (silicon content is 99.85%) since the mid-1990s to develop, in recent years, the production and exports of chemical silicon in china grew rapidly.
Silicon metal component is an important physical property of silicon metal. As the silicon metal more and more applied in people's daily lives and industrial production, the studies on silicon metal has very important significance.
Metal silicon (Si) is the industrial purification of elemental silicon, mainly for the production of organic silicon, preparation of high purity semiconductor materials and the preparation of special purpose alloys.
According to metal powder supplier, silicon metal ( also known as industrial silicon ) is a name of commodity appeared in 1960s. Its appear is related to the rise of semiconductor industry.
The raw materials of smelting metallic silicon are mainly silica, carbonaceous reductant. Produce silicon metal choose the carbonaceous reducing principle is: high fixed carbon, low ash, chemical activity.
Industrial silicon, commonly known as metal silicon or silicon, strictly speaking, does not belong to the industrial silicon ferroalloy industry, traditionally used as industrial silicon smelting furnace, so make the industrial silicon into iron alloy industry.
According to metal powder supplier, silicon is widely distributed in the earth's crust, accounting for about a quarter of the total crust.
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According to metal powder supplier, silicon is a non-metallic element. Elemental silicon has amorphous and crystalline two states.
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According to metal powder supplier, silicon is a nonmetallic element, gray, metallic color, hard and brittle. The silicon content is account for about 26% in the earthcrust;
Metal silicon is a brittle material, sieve residue in the grinding process can not be well controlled, serious over-grinding phenomenon caused by silica fume waste, high production costs, product size standards, not only makes the product yield not competitive.
Silicon is one of the semi-metallic, formerly known as Si. Melting point is 1420 , the density is 2.34 g / cm 3. Hard and brittle. At room temperature, dissolved in acid, soluble in alkali.