Supply Hydrophilic fumed silica BET200m2/g

Hydrophilic fumed silica is mainly used for Silicone Rubber, Adhesives, Sealants, Coatings, Paints and Inks, plastic, etc.

1.Properties

Reinforcing filler in elastomers

Rheology and thixotropy control of liquid systems, binders, polymers, etc.

Used as anti-setting, thickening, anti-sagging agent.

Improvement of free flow and anti-caking characteristics of powders.

High transparency.

2.Application

Paints and Coating

Unsaturated polyester reins and Films

Elastomers, especially HTV and RTV Silicon rubber

Adhesives and Sealants

Printing inks

Plant protection

Cosmetics

3.Technical data

Technical data	QY200H
BET surface area	190-210m2/g
pH value	4.0-4.5
Loss on drying(2h 105°C)	≤0.8%
Loss on ignition(2h 1000°C	≤1.0%
Sieve residue(45μm)	≤0.03%
Tamped density	40-60g/L
Silica content	≥99.8%
Carbon content	≤0.1%
Chloride content	≤0.025%
Ferric oxide content	≤0.003%
Titanium oxide content	≤0.03%
Alumina content	≤0.05%

The date present in this document is base on our best knowledge. We disclaim any warranty and liability whatsoever as to accuracy and completeness of such information as well as to the potential infringement of any proprietary rights. We reserve the right to alter product constants wuthin the scope of technical progress or new developments. Any user of our products shall bear the full risk connected to their properties and fitness for any purpose.

4.Fumed Silica we can supply

		High Quality	Standard Quality
BET surface area(m2/g)	QY150	160-180	155-185
	QY200	190-210	186-225
	QY250	240-270	226-275
	QY300	290-320	276-335
	QY360	350-405	336-450
pH value	QY150	4.0-4.5	3.8-4.5
	QY200	4.0-4.5	3.8-4.5
	QY250	4.0-4.5	3.8-4.5
	QY300	4.0-4.5	3.8-4.5
	QY360	4.0-4.5	3.8-4.5

5.Packing detail:

Double layers kraft paper of packing, the outer with PP/PE weaving bag. 10kg/bag, 10bags/pallet,

loading 4MT with  pallets for 40'HQ 10kg/bag.

loading 2MT with  pallets for 20'HQ 10kg/bag.

6.Application for Silicone Rubber

Silicone rubber has good high temperature resistance, thermal insulation, insulation, moisture-proof, anti-chemical corrosion, anti-pollution and physical inertia, in aviation, aerospace, defense industry, machinery manufacturing, construction decoration, 40 biomedical several departments play an irreplaceable role, is recognized as a new type of advanced composite materials. Without reinforcement of silicone rubber, its strength is not more than 0.4 MPa, no value. Fumed silica because of its large specific surface area, small size, structural high, with excellent performance reinforcement, silicone rubber reinforced by the fumed silica, the highest intensity increases of up to 40 times, with a wide range of functions. Silica Alcohol Based on the surface of silicon (Si-OH) with the silicone rubber forming physical or chemical combination Silica in the silicone rubber surface molecules adsorbed layer, Silica particles pose with rubber elements into one three-dimensional network structure, thus achieving reinforcing effect.