Silicon dioxide is also called silica. It's an oxide of silicon and has the chemical composition SiO2. Silica, which includes silica found in quartz and quartz sand, is collectively called silica. Particle Sizes: 10-30nm
Purity: 99.5-99.9%

Silicon Dioxide SiO2 powder
Silica Oder silicon dioxide It is The chemical formula for silicon oxide is SiO2. It is found as the most widespread form in nature. quartz diverse organisms. Silica, which is the principal component of sand, can be found in many places around the globe. Silica is an extremely complex, abundant and diverse material family. It can come in the form mixed minerals or synthetic products. Notable examples include fused silica , fumed silica , silica gel aerogel . It can be used to make structural materials and microelectronics, which are electrical insulators.

Breathing in finely split air The crystal silica This toxic substance can inflame the lung and cause severe inflammation, such as silicosis or bronchitis. It also causes systemic autoimmune disorders like lupus, rheumatoid, and lupus. Amorphous silica may cause temporary inflammation in the lungs. However, all symptoms can be treated.

Amorphous silica is formed by long-range arrangements of oxygen and silicon atoms. A silicon dioxide crystal has four oxygen atoms at its four corners. The silicon atoms will be at the centre of a regular trihedron. Numerous tetrahedrons can be held together with oxygen atoms located at their four corners. The two tetrahedrons that share an oxygen atom are called a tetrahedron. This means each oxygen-atom is bound to two silicon molecules.

Silica's molecular formula is its simplest. SiO2 SiO2 doesn't represent a simple molecular (just the ratio among the silicon atoms and oxygen atoms of silica crystals). A pure crystal of natural silica is insoluble, hard, translucent, non-colorless, transparent and colorless solid that's often used for the manufacturing of optical instruments.

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Colloidal silicon dioxide Gaseous silica is produced by hydrolysis from silica compound, and is used for many medicines and foods.

Silicon Dioxide SiO2 powder performance

1 It has a high surface residue button of unsaturated hydroxyl groups and a different bonding status of hydroxyl groups. This makes it very scatter-friendly.

2 Nanosiliconoides Using sol-gel to synthesize small, uniform particles of silicon oxides , controlled in the system by the use of different surface treatment packages. A nano silicon powder can steady in solvent system and form transparent, translucent sol colloid.

3 To ultraviolet light, and displays high reflection characteristics (200 70% reflectivity, 280nm), 80%. For visible wavelengths (400–800nm), reflectivity 85%. The band of 800-1350 near-infrared reflectance is also higher than 70%.

Technical Parameters of Silicon Dioxide SiO2 -

Products	Nano silicon dioxide SiO2 powder
Analysis Project	Al,Fe,Ca,Mg,Cu,Mn,Na,Co,Ni,F.Si,Pb,K,N,C,S,F.O
Analyse Results	Chemical Composition	Wt%(Analysis)
	Al	0.001
	Fe	0.001
	Ca	0.001
	Mg	0.001
	Cu	N.D
	Mn	0.001
	Na	0.001
	Co	0.001
	Ni	0.001
	F.Si	0.001
	Pb	N.D
	K	0.001
	N	0.005
	C	0.002
	S	0.004
	F.O	0.050

It is simple. Silicon Dioxide siO2 powder produced?
Amorphous silicon dioxide preparation method
Preparing amorphous silica involves five steps: preparation of silica gel; sintering and cleaning; drying process.
1. Silica gel preparation
Silica gel is made from silicon tetrachloride. Pulverizing organic silicon compounds, such as tetramethoxy siloxane, can also produce it. Fumed silica, however, can make silica gel.
2. Granulation Process
A silica powder can be made by dry drying silicone gel and then grinding the powder.
3. Insintering
Silica powder from the granulation is heated to 800 to 1450 degrees C. Thermal plasma can be spheroidized to release argon at a preset flow rate. The output is then converted at a specified frequency in order to create plasma. Plasma torch: The sintered silica is heated to 2000°C, which will melt it.
4. Cleaning
The surface adhering fine powder to the silica powder after spheroidization is completed.
5. Drying
Following the above process, silica powder should be dried.

Silicon Dioxide Uses:
Silica is used in the manufacture of many products. silicon dioxide glass Quartz glass, Water glass, Optic Fiber, are all important elements of the electronic industry. These include optical instruments, handicrafts, refractory material, and an important component for scientific research.

1. Most glass is made from silica. If silica is melted with other minerals, the freezing points reduction principle decreases the melting temperature and improves fluidity. SiO2's glass transition temperature is approximately 1475K. The glass transition temperature of fused SiO2 is about 1475K. Most ceramic glazes consist mainly of silica.
2. Silica is also a good additive.
3. Silica is especially suitable for the granulation and extraction of oils and other extracts.
4. Silicium dioxide, as a disintegrant can significantly improve the fluidity and bulk density of the granules. It also increases the hardness of prepared tablets. You can use it as an internal desiccant to increase the stability of your drug.
5. Silica is also used to thicken liquid preparations, as a defoamer and filter aid.
6. 95% of all silica's commercial uses are within the construction industry. For example, the creation of Portland cement concrete.
7. Due to its light diffusion and natural absorption, silica has a significant role in cosmetics.
8. For the semiconductor industry, passivating silicon's surface through thermal oxidation is essential. It's used to make metal oxide field-effect transistors with MOSFET (metal oxide semiconductor field effects transistors) or silicon integrated circuit chips using planar technology.
9. You can use silica to extract DNA or RNA, as it is able to bind nucleic acids when there are chaotropic agents.
10. Because silicon dioxide can be used as a natural semiconductor oxide instead of other semiconductors, such as indium-phosphide and gallium arsenide, it is much more popular.
11. It is possible to grow silicon dioxide on top of the surfaces of silicon semiconductors. Silicon oxide can protect silicon surfaces during the diffusion process. It can also be used to create a diffusion shield.
12. Silicon dioxide in food Food producers use silica as an anti-caking ingredient in creams or spices. This allows for fine powder flow and absorbs moisture.
13. Silicon dioxide in supplements .

Storage condition of Silicon Dioxide SiO2 pulver :
You should keep nanosilicon dioxide SiO2 powder in a dry, cool, and sealed environment.

Shipping and Packing of Silicon Dioxide SiO2 powder –
You can pack it in two plastic bags with the inside.
Silicon Dioxide SiO2 Powder Packaging: 100g, 500g and 1kg/bag. 25kg/barrel. Or as you request.
Shipping Silicon Dioxide SiO2 powder: can ship by sea or air as soon as payment receipt is received.


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Silicon Dioxide SiO2 Powder Properties
Other Titles	Fused quartz, silane, dioxo, Silicon (IV) Oxide, Cristobalite, Silica, Crystalline silica, Dioxosilane, Sand, Silica glass, SiO2, O2Si
	7631-86-9
Compound Formula	SiO2
Molecular Weight	60.09
Appearance	Powder White
Melting Point	1,600deg C (2,912deg F)
Solubility In Water	N/A
Density	2533 kg/m3
Purity	99.5-99.9%
Particle Size	10-30nm
Boling Point	2,230deg C (4,046deg F)
Specific Heat	N/A
Thermo Conductivity	N/A
Thermal Expansion	N/A
Young's Module	N/A
Exact	59.9668 g/mol
Monoisotopic	59.967 D
Silicon Dioxide SIO2 Powder Safety & Health Information
Safety Notice	Danger
Hazard Statements	N/A
Flashing Point	Non applicable
Hazard Codes	N/A
Risk Codes	N/A
Safety statements	N/A
RTECS #	N/A
Transport Information	NONH
WGK Germany	NONH

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