HD 165 Micro Pearl High Dispersion Precipitated Silica for 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.:
HD 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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Product Detail
Packaging and Transportation

HD 165 Micro Pearl High Dispersion Precipitated Silica for Tyre

Product Name

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

Properties

HD 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

Application

1. HD 165MP is a high dispersion, high purity precipitated silica.

2. HD 165MP can significantly improve the wear resistance of the rubber compound, resistant to flexion performance, heating oxidation, instead of a large number of carbon black for high-performance tires, which can effectively reduce tire rolling resistance and reduce fuel consumption and improve the wet skid resistance and safety performance.

3. More of its outstanding performance is especially in the low rolling resistance of passenger car tires, winter tires, and other applications.

HD 165 Micro Pearl High Dispersion Precipitated Silica for Tyre

1. Package: 20kg/PE bag, 16kg/paper bag, 400 kg/Jumbo Bag, 680 kg/Jumbo Bag.

2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3. Shelf life: One year in ventilating, cool and dry area.

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