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FUMISIL® 300 is a fluffy white-blue fine amorphous powder with extremely small particle size, enormous surface area and high purity, without taste and odor.

Chemical Name: Silicon Dioxide

CAS Number: 7631-86-9

Functions: Adjuvant, Rheology Modifier, Thickener, Thixotrope

Chemical Family: Silica

Labeling Claims: High Purity, Non-Toxic, Odor-free

Synonyms: Silica, SiO2

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
Base Chemicals Functions
CASE Ingredients Functions
CAS No.
7631-86-9
EC No.
231-545-4

Features & Benefits

Base Chemicals Features

Applications & Uses

Coating Type
Applications

Coatings, adhesives, silicone sealants, silicone rubber, silicone, elastomers, printing inks, cosmetics, unsaturated polyesters. FUMISIL®300 used to provide thickening, thixotrophic, antisettling in liquid systems, as a free flow additive in the production of technical powders and reinforcement of silicone and organic rubbers.

Properties

Physical Form
Appearance
Porous White Powder With Bluish Tint
Typical Properties
ValueUnitsTest Method / Conditions
pH Value (4% Aqueous Dispersion)3.6 - 4.5
Mass Part of Silicon Dioxide, Siо2min. 99,9
Iron Oxide (Fе2О3)max. 3wt.%
Aluminium Oxide Аi2О3 max. 0,05wt.%
Titanium Dioxide Тіо2 max. 0,02wt.%
Loss on Heating, (2 Hrs at 105℃) max. 1,5wt.%
Loss on Calcination, (2 Hrs at 1000℃) max. 2,0wt.%
Bulk Density Noncompacted40 - 60gr/dm³
Bulk Density Compacted110 - 140gr/dm³
Specific Surface300 ± 30m2/grBET method
Mass Part of Large Particles (Grit) max. 0,04wt.%

Safety & Health

Safety Notes

The product is fireproof, explosion-proof, nontoxical.

Packaging & Availability

Packaging Type
Packing

FUMISIL®300 is offered in following packaging: multiple layer 4 or 10 kg paper bags on pallet.

Storage & Handling

Storage

FUMISIL®300 should be stored in the original packaging in dry storage areas. Guaranteed storage: 6 months.