Felcosil-165MP Micro Pearl Precipitated Silica for Winter Tyre

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.

Item NO.:
Felcosil-165MP
EINECS No:
238-878-4
CAS No.:
7631-86-9
Chemical Formula:
SiO2
Surface BET (m²/g):
145-175
Properties:
White micro pearl form, precipitated silica is made of sodium silicate 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-165MP Micro Pearl Precipitated Silica for Winter Tyre

Product Name

SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Amorphous Precipitated Silica, Micro pearl precipitated silica

Properties

Felcosil-165MP is soluble in caustic alkali and hydrofluoric acid, insoluble in acids, water and various solvents. Resistance to high temperature, no combustion, good insulation properties.

Specifications

Items	Specification
Appearance	White micro pearl
Loss at 105 °C 2h %	4.0-8.0
Igniting Loss 1000 °C 2h % Max.	7.0
DBP absorption Value cm3 /g	2.00-2.8
100 Mesh sieve residue % Min	80
pH Value (5% aqueous suspension)	6.0-8.0
SiO2 % Min	97
BET specific surface area m2/g	145-175

Micro Pearl Precipitated Silica Application

Felcosil-165MP Conventional Silica Powder are a versatile inorganic chemical which are used for reinforcement of rubbers and plastics, coating and paints, printing inks and cosmetics, antilocking of plastic foils, free running and free flow of sticky solid and liquid substances, carrier for pesticides, insecticides, high temperature insulation, stabilizing of beer and silicon rubber.
Felcosil-165MP 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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