Professional Made Wholesale Price Low Price High Quality Sio2 CAS7631-86-9 Silicon Dioxide Widely Used

• Customization: Available
• CAS No.: 7631-86-9
• Formula: Sio2
• Model NO.: JiuChong-SiO2
• EINECS: 231-545-4
• Classification: Silicon Dioxide
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: First Class
• Haz/Non: Non
• Sample: Free Sample Provide
• Customizable Packaging: Accpeted
• Density: 2.3-2.65g/Cm³
• pH: 6.8-7.1
• Melting Point: About 1750ºC
• Boiling Point: Around 2300ºC
• Acid-Base Property: Neutral
• Shelf Life: >12 Months
• Environmental Protection: Yes
• Transport Package: PP Bags
• Specification: 25kg, 1000kg
• Trademark: N/M
• Origin: China
• HS Code: 28112290
• Production Capacity: 1.2 Million Mt

Product Description

Product Description

Chemical formula: SiO₂
Appearance: colorless to gray transparent solid, common crystalline and amorphous form, crystalline silica is mainly quartz crystal, amorphous form such as opal, diatomite and so on.
Density: Generally between 2.0-2.3g/cm³, different crystal types and preparation methods will vary.
Melting point and boiling point: crystalline silica melting point is 1713°C, boiling point 2590°C, amorphous silica has no fixed melting point.

Product Parameters

Standard item name	Technical requirement	CT-175	Granule Grade Silica	CT-99L
Silica content %	≥90	96.0	96.0	98.5 (dry basis method)
Color %	≥90	92.0	92.0	93.0
Average particle diameter (mesh)		100-325	40-80	100-325
Specific surface area m2/g	155-220	175-190	165-200	175-200
PH value	6.5-7.5	6.5-7.0	6.5-7.0	7.0
Drying reduction %	≤7	4-7	4-7	4-7
Oil absorption value cm3/g	1.8-3.3	2.4-2.8	2.0-2.8	2.2-3.0
Burn reduction %	≤7.0	<7	<7	<7
Sieve residue (45um)	≤0.5	<0.5	<0.5	<0.5

Application

Semiconductor field: Silicon dioxide film can be used as a mask, chip passivation and protective film, electrical isolation film, components, etc., in the modern silicon based microelectronics chip manufacturing plays a very key role.
Paper industry: as a filler can improve the whiteness of paper, make paper light quality, suitable for high-speed printing, is also the first choice of color spray paper paint pigment.
Building field: is the main component of building glass, using its unique optical transmission characteristics and network microstructure characteristics, can produce different characteristics of flat glass, for window glass, building glass and car glass.
Food field: can make desiccant, can also be used as anti-caking agent to prevent food caking, maintain the fluidity of food.

 

Packaging & Shipping

Packaging
25kg/1000kg,plastic woven bag with plastic bag inside,can provide customized services 
Store in a dry,ventilated,cool place,away from direct sunlight.
Shipping

Certifications

   

 

Customer Reviews

   

 

Company Profile

Shandong Jiuchong Chemical Company Limited was founded in 2016, which is located in Weifang City, Shandong Province, China. We have 228 square meters of office space. Now Jiuchong chemical is a large modern international chemical enterprise with more than 28 series. Since our establishment, the company has gradually established and improved a sound supply chain system, quality monitoring system and service system, ensuring products quality and service. 
At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, including magnesium chloride, sodium metabisulfite, sodium bicarbonate, calcium chloride, magnesium sulfate, polyaluminium chloride, aluminium sulfate, industrial salt, soda ash etc. 
Our products are sold well in 288 domestic cities and more than 36 foreign countries. Now the company has won the praise and trust of domestic and foreign customers. Based on stable quality and output, good team service and staff efforts, we will continue to develop domestic and foreign markets.
Jiuchong chemical takes "integrity, innovation and development" as the concept, puts integrity in the priority position in serving customers, and guarantees high quality products and satisfactory cooperation for customers experience. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done. In the future, Shandong Jiuchong Chemical Company Limited hopes to build a brilliant tomorrow with you!

Customer Communication

FAQ

1.Are you a manufacturer?
   A: Yes,we are a manufacturer.

2.Do you provide free sample?
   A : Yes,we can.

3.What's your payment term?
   A:T/T and L/C.
4.What's your annuanl production quantity?
   A:1.2 million MT.