Small Particle Size Silica for Improving Coating Performance

• Customization: Available
• CAS No.: 1343-88-0
• Formula: Sio2
• Model NO.: H-600\H-618\H-620\H-688\H-629\H-700
• EINECS: 238-455-4
• Classification: Silicon Dioxide
• Grade Standard: Food Grade
• Kind: Acidic Oxide
• Quality: First Class
• Transport Package: 20kg/Bag, 10kg/Bag + Ton/Jumbo Bag
• Specification: 20kg/bag
• Origin: China
• HS Code: 28399000

Product Description

 

Product Description

Silicon dioxide has high purity, small particle size, uniform distribution, large specific surface area, high surface activity, high temperature resistance, and low loose density;

Silicon dioxide has good dispersibility, suspension, and vibration liquefaction properties;
 Good thixotropy, as well as excellent reinforcement and thickening effects;
 After surface treatment, it has better hydrophilicity and oleophilicity;

There are a large number of unsaturated residual bonds and hydroxyl groups with different bonding states on the surface, which deviate from the stable silicon oxygen structure due to the lack of oxygen on the surface. Therefore, it has high reactivity, and the loose density of the powder is relatively small, making it easy to disperse and use;

Both ultraviolet and visible light exhibit high reflection characteristics.
 The reflectivity of ultraviolet short wave (200~280nm) reaches 70%~80%;
 The reflectivity of ultraviolet medium and long waves (280-400nm) reaches 80%~85%;
 The reflectivity of visible light (400-800nm) is over 85%;
 The reflectivity of near-infrared rays in the 800-1350 band is also over 70%
 

Product Parameters

 

Item No	Index	Measured Value
Appearance	White powder	Compliance index
Specific surface area of nitrogen adsorption m²/g	200±10	200
Sio2- content	>99.8	99.9%
PH	3.7-4.5	4.19
Volatile matter % at 105 ºC	≤3.0	0.82
Tamping density g/dm³	30-60	31
Sieve residue(45μm) mg/kg	≤250	19.93

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Company Profile

Najin Import and Export (Shandong) Co., Ltd. is a comprehensive, diversified, and comprehensive company with BDO, PEG, PPG, PTMEG, MDI, TDI, PVA, NMP, and polyether polyols, polyester polyols, and polymer polyols as its main industrial chains. We have a professional sales team that has won recognition and praise from the industry with exquisite technology, sound administrative management, and good teamwork. The product is sold to multiple domestic and foreign enterprises.
We always adhere to the principle of "quality first, customer first, and reputation first", and are committed to providing customers with the best products. We will also continue to build a professional chemical product supply chain with the highest quality service, best products, and maximum efforts.