Hydrophobic Fumed Silica for Silicone Rubber, Silicone Sealants (R972)

• Customization: Available
• CAS No.: 68611-44-9
• Formula: Sio2
• Model NO.: R 972
• Classification: Silicon Dioxide
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: First Class
• Bet(M²/G): 110±20
• Bulk Density(G/L): Approx. 50
• Moisture Content(Wt.%): ≤0.5
• Loss on Ignition(Wt.%): <0.5%
• pH: 3.6-4.4
• Sio2 Content(Wt.%): > 99.8
• Transport Package: Bag
• Specification: 10KG
• Origin: Germany
• HS Code: 28112200
• Production Capacity: 20000tons/Month

Product Description

 R 972 is a hydrophobic fumed silica obtained by treating a hydrophilic fumed silica with a specific surface area of 130 m²/g using DDS.

Type:  Hydrophobic Fumed Silica
Item NO:  R972
Packing Specification:  10KG/Bag
Product Features:
• Hydrophobic products for thickening and reinforcing RTV-1K sealants
• Improves the storage properties of silicone sealants
• Water-repellent and hydrophobic for liquid systems
• Rheology control for complex liquid systems
• Used for anti-settling in coatings to improve pigment stability and enhance corrosion protection
• Improves hydrophobicity and flow properties of offset printing inks
• Promotes and maintains the flow and anti-caking of powders

Silicone Rubber & Sealants

• Improves storage stability of RTV-1K sealants

• Enhances mechanical properties in silicone rubber

• Prevents moisture absorption
   

Paints & Coatings

• Excellent anti-settling for pigments

• Enhances corrosion protection

• Improves rheology control
   

Printing Inks & Toners

• Optimizes flow properties in offset inks

• Prevents caking in powder systems

• Enhances print quality

 

Physical and Chemical Data
Specific surface area (BET method)  (m²/g)		110±20
Carbon content(wt.%)		0.6-1.2
Average primary particle size(nm)		16
Bulk density (approximate value)*(g/l)		Approx. 50
Moisture content*(wt.%)		≤0.5
Loss on ignition(wt.%)		≤2.0
PH		3.6-4.4
SiO2 content(wt.%)		≥99.8

Packaging & Shipping

 

Company Profile

A wholly-owned subsidiary of Japan's Aixiu Co., Ltd., is headquartered in Osaka, Japan.
We are dedicated to the research and development of specialty chemicals and committed to serving global customers with high-quality products and excellent services, while also building a safe and healthy environment for our employees and the community.

Our company provides products and solutions to customers in every corner of the globe, serving various key industries such as infrastructure, transportation, environmental, and consumer goods industries.
Currently, we offer high-performance solutions that address our customers' challenges and are continuously improving them to meet future demands.

Main Products:

Involves 4 major fields: Rubber & Plastic; Ink; Coating; Sealant

• Defoaming Agent
• Rheology Modifier
• Substrate Wetting Agent
• Wetting Dispersant

:
• Hydrophilic Fumed Silica
• Hydrophobic Fumed Silica

Our Advantages

• Comprehensive Solutions
Provide different solutions for different needs.

• Product Development
Oriented by customer needs, with professional technology as a bridge, we are dedicated to the development of the industry.

• Overseas Agency
Our business covers multitude of production industries, offering clients high-quality services and competitive products.

• Logistics & Warehousing
To meet the needs of our customers, we fully understand the importance of stable and continuous production.