place of origin: Japan

Brand Name: REOLOSIL

Model Number: QS20LS

Type: Silica Powder

SiO2 Content (%): 99.9%

Fe2O3 Content (%): below 20 ppm

Al2O3 Content (%): below 20 ppm

Molecular Weight (g/mol.): 60.08

Density (g/cm3): 2.2

Odor: none

Freezing Point (°C): 1700

Boiling Point (°C): 2230

Color: White

pH (approximately 4% silica in water): 4.0

Physical State: solid powder

Vapor Pressure (@20°C): 0.01mm

Solubility In Water: insoluble

Silica fume (SiO2) Applications

Fumed silica is used in laminating and gelcoat applications, and provides proper rheological control, while achieving optimum shear thinning and enhancing the end-use application.

Fumed silica has two primary functions. Reinforcement increases the strength of various materials, allowing them to be used in a wider number of applications in accordance with the user's exact requirements. Rheology control allows customers to tailor the viscosity of a system to their own requirements.

Fumed silica serves as a universal thickening agent, a thickener in milkshakes, and a anticaking agent in powdered foods. Like silica gel, it serves as a desiccant. It is used in cosmetics for its light-diffusing properties. It is used as a light abrasive, in products like toothpaste. Other uses include filler in silicone elastomer and viscosity adjustment in paints, coatings, printing inks, adhesives, cosmetics, sealants, toiletries, food, beverages and unsaturated polyester resins.

Silica fume (SiO2)

Description

Fumed silica is an extremely small particle with enormous surface area, high purity, and a tendency to form chains in the chemical manufacturing process. Particles are formed by injecting chlorosilanes, such as silicon tetrachloride, into a flame of hydrogen and air. The ensuring reaction produces fumed silica and hydrogen chloride.

Fumed Silica Chemical Formula: SiO2

Chemical Name: Synthetic Amorphous Silicon Dioxide, Crystalline- free

Synonyms

pyrogenic silica, fumed silica, M-5, colloidal silica, synthetic silica, alpha-crystobalite, amethyst, amorphous fumed silica, amorphous silica, cristobalite (SiO2), CAS# 65997-17-3, fossil flour, silicon dioxide (amorphous), silicon dioxide- fumed, silicon(IV) oxide, synthetic amorphous silica- fumed, silikill, sillikolloid, siloxid, synthetic amorphous silica- fumed, tridimite, tridymite, vulkasil, vulkasil S, wessalon

Packaging

Multiply paper bags, drums or supersacks

Specifications

Molecular Weight (g/mol.)	60.08
Density (g/cm3)	2.2
Odor	none
Freezing Point (°C)	1700
Boiling Point (°C)	2230
Color	white
pH (approximately 4% silica in water)	4.0
Knoop Hardness (1200 kgf/mm2)
Physical State	solid powder
Vapor Pressure (@20°C)	0.01mm
Solubility In Water	insoluble

Classification

Fumed Silica TSCA (SARA Title III) Status:

1) Listed- No

2) Carcinogenicity: Not listed as a carcinogen By IARC, NTP, Z list or OSHA

Fumed Silica CAS Numbers:

1) CAS No. 112945-52-5 (Specific)

2) CAS No. 7631-86-9 (General)

Fumed Silica RTECS Number: VV310000

Silica fume with Resin Thickeners Price

Basic Info

Additional Info

Product Description