Fumed silica CAS NO.7631-86-9

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1 Metric Ton	Negotiable

1 Metric Ton

Negotiable

Fumed silica Silica

Fumed Silica-200 is hydrophilic fumed silica with a specific surface area of 200 m²/g. It's a kind of high purity white colloidal powder.

Applications:

Paints and coatings

Unsaturated polyester resins, laminated resins and gel coats

Elastomers, especially HTV and RTV Silicone rubber

Adhesives and sealants

Printing inks

Cable compounds

Plant protection

Food and Cosmetics

Properties:

Reinforcement filler in elastomers

Rheology and thixotrophy control of liquid systems, binders, polymers. Etc

Used as anti-settling, thickening, anti-sagging agent

Improvement of free flow and anti-caking characteristics of powders

High transparency

Item	Test Standard
Product type	HX-200
Specific surface area(m2/g)	180-220
Determination of PH value of an aqueous suspension(4%)	3.6-4.5
Loss on drying 105deg.C (m/m %)	1.5max
Loss on ignition(dry product)1,000deg.C (m/m %)	2.5max
Sieve residue(m/m %)	0.05max
Apparent density(g/L)	25-60
SiO2 content(m/m %)	99.8min
Carbon content (m/m %)	0.2max
PH value	6-7
Moisture content	5max
bulk density (g/cm2)	0.02max