Felcosil-165 Amorphous Precipitated Silica for Rubber

Precipitated silica Felcosil-165, a form of synthetic amorphous silicon dioxide, is derived from quartz sand, a crystalline form of silicon dioxide. The physical properties of precipitated silica can be manipulated during the manufacturing process to deliver products with a wide range of performance-enhancing features engineered for many different end-use applications.

Item NO.:
Felcosil-165P
EINECS No:
238-878-4
CAS No.:
10279-57-9
Chemical Formula:
SiO2
Surface BET (m²/g):
145-175
Properties:
White powder form, precipitated silica is made of sodium silica with sulfuric acide through hydrolysis. It can be dissolved by NaOH, HF. Other kinds of acid, water and solvents cannot dissolve the product.

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Felcosil-165 Amorphous Precipitated Silica for Rubber

Product Name

SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Silica Powder, Amorphous Precipitated Silica

Chemical Properties

Precipitated silica, a form of synthetic amorphous silicon dioxide, is derived from quartz sand, a crystalline form of silicon dioxide. The physical properties of precipitated silica can be manipulated during the manufacturing process to deliver products with a wide range of performance-enhancing features engineered for many different end-use applications.

Specifications

Items	Specification
Appearance	White Powder
Loss at 105°C 2h %	4.0-8.0
Igniting Loss 1000°C 2h % Max.	7.0
DBP absorption Value cm3 /g	2.00-3.50
45Mesh sieve residue % Min	0.5
pH Value (5% aqueous suspension)	6.0-8.0
SiO2 % Min	97
BET specific surface area m2/g	145-175

Application

1. Felcosil-165P are a versatile inorganic chemical which are used for reinforcement of rubbers and plastics, coating and paints, printing inks and cosmetics, anti-blocking of plastic foils, free running and free flow of sticky solid and liquid substances, carrier for pesticides, secticides, high temperature insulation, stabilizing of beer and silicon rubber.

2. Felcosil-165P possesses a high reinforcing potential and imparts to rubber compounds particularly high Shore hardness, tensile strength, tear resistance and abrasion resistance.

In order to achieve optimum rubber-technical data the addition of activators like glycols, amines or other alkaline accelerators is necessary.

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