brush, silicone rice bag is made of silicate polycondensation, avirulent insipidity, chemical performance is very stable, not any response from the acid and alkali salt.
Because the silicone is colloid structure, has a number of microporous and, for water has a strong absorption ability.
So the silicone brush, silicone rice bag can be used as food, medicine, daily necessities of the desiccant for external use only, because the silicone is after refining of raw materials production and sterilization, and won't have side effect to human body.
Silicon silicone products
in the industry of origin, have you ever know? Metal silica the glass for a single oxide composed of silica glass, silicon dioxide in si -
O key, covalent and ionic bonds strong about each half, is a kind of typical network to form oxides.
Quartz glass has superior physical and chemical properties: high purity, high mechanical strength, good chemical stability, through a wide spectrum, thermal shock, resistance to high temperature deformation, ray irradiation and electric insulation, etc.
Quartz glass industry concentration is low in our country, has a certain scale are mainly distributed in north China,
, east China,
Shanghai, jiangsu, zhejiang)
, northeast China,
, central China (
And other places, and mainly private enterprises.
Major companies are China building materials science research institute, Beijing gold gran Quartz Glass Co. , Ltd. , long wisdom photoelectric materials technology Co. , Ltd. , Beijing kaide Quartz Quartz plastic products Co. , Ltd. , Shanghai China Co. , Ltd. , Hubei Feilihua Quartz Glass Co. , Ltd, etc.
Silicon metal, also known as industrial silicon or silicon metal, usually by carbon reduction in electric furnace made by silicon dioxide.
Its main use is as an iron base alloy additives and production of semiconductor silicon, organic silicone starting materials.
Main metal silicon domestic enterprises such as hesheng silicon industry, hubei sanxin silicon industry, siziwang jia hui silicon industry, yunnan yongchang silicone industry, silicon industry, tianfu crystal silicon industry, etc.
Due to the silicon metal production needs to consume large amounts of energy, energy costs account for more than 50% of the total cost.
As a result, silicon metal enterprises in China rich in hydropower resources in the southwest, or low power resource distribution is concentrated in northwest and northeast.
More than (
Crystal number refers to the single crystal silicon, silicon is high purity polycrystalline silicon single crystal furnace control.
Have basic complete crystal lattice structure.
In different directions with different properties, it is a good semi-conducting materials.
General requirements in 9 - purity
Used in the manufacture of semiconductor devices, solar cells, etc.
Micro silicon powder is a kind of amorphous silicon dioxide (
Polycrystalline shaped objects.
In general, silicon metal by-product 0 per production 1 ton.
5 tons of silicon powder.
Silicon powder is sometimes confused with the gas phase silica.
Micro silicon powder, the average particle size of 150 nanometers, 0 times smaller than that of cement particles, specific surface area of 15 ~ 30 square meters per gram, and gas phase white carbon black original particle size is only about 5 ~ 7 nm, specific surface area is as high as 150 ~ 300 square metres per gram.
Silicon powder is the main application field as reinforcing filler of high performance concrete, especially to improve the comprehensive strength, bond strength and abrasion resistance.
After adding silicon powder can also reduce the chloride ion permeability of concrete, to prevent the steel bar corrosion in concrete.
In addition, silicon powder is also a large number of applications in areas such as ceramics and refractory silicon sol silica sol as the nanoscale dispersion of silica particles in the water or solvent.
Because the sio2 in silicon sol contains large amounts of water and hydroxyl groups, it also can be expressed as sionh2o silica sol.
Can be used for a variety of binder, refractory coating industry, thin shell precision casting, catalyst manufacture and catalyst carrier, cellophane adhesive, photographic paper before treating agent, cement tube bags of anti-skid agent, dispersant, floor wax resistance and so on.
Single silane is a colorless gas, alias four hydrogenated silicon, silicane, spontaneous and release the gases in contact with the air can be very strong of the amorphous silica white smoke.
Single silane as purity can be divided into industrial and electronic level, electronic level is mainly used in integrated circuit, a flat-screen television, solar cells and other industries;
Is the main purpose of industrial-grade chlorine single silane and alkyl chloride as a skeleton structure of the silane class, become a polycrystalline silicon, silicon oxide and silicon nitride material.
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