High oil absorption Silica Felcosil 300

The white powder forms ultrafine silica dioxide through a specific manufacturing process. tcan be dissolved by sodium hydroxide andhydrogen fluoride, but not by other acids, water, or organic solvents.

Item NO.:
Felcosil-300
Color:
White
EINECS No:
238-878-4
CAS No.:
10279-57-9
Chemical Formula:
SiO2

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High oil absorption Silica Felcosil-300

Physical Properties

This white powder is an ultra-fine silica dioxide, which is produced through a specific manufacturing process. It has unique solubility properties, being soluble in sodium hydroxide and hydrogen fluoride, yet insoluble in other acids, water, and organic solvents. The exact method of synthesis involves advanced techniques such as vapor deposition, chemical vapor reaction, sol-gel method, or other specialized production processes. The resulting powder exhibits high chemical stability and unique interaction with certain chemicals.

Felcosil-300 Specifications

Properties	Units	Target Values (Spec Limits)
Appearance	-	White Powder
BET Specific Surface Area	m²/g	260-300
SiO2 (Dry Basis)	%	≥97
DBP Absorption Value	cm³/g	3.00-3.20
pH Value in 4% dispersion	-	6.0-7.0
Soluble Salt (Na2SO4)	%	≤1.0
Particle Size(D50)	µm	10-20
Heating Loss at 105 °C	1.5h wt.%	≤6.0
Igniting Loss	1.5h wt.%	≤7.0

High oil absorption silica Application

Felcosil 300 is a high-performance polymer with high oil absorption, high transparency, and reinforcement properties. It can be used to produce highly transparent rubber products, enhancing their hardness and elasticity while also enhancing their wear resistance and weather resistance.

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