HIGH DISPERSION SILICA

Подробности

Product name: Precipitated Silica RCHD series

Molecular Formula: SiO2.nH2O

CAS No.: 7631-86-9

SPECIFICATION:

Item

RCHD115

RCHD135

RCHD165

RCHD175

RCHD205

Appearance

White micro-pearl

BET specific surface area, m2/g

100-130

120-155

155-170

170-190

190-230

SiO2 content (Min) ≥ %

97

97

97

97

97

Loss on drying(105℃, 2h), %

5.0-7.5

5.0-7.5

5.0-7.5

5.0-7.5

5.0-7.5

Loss on ignition(1000℃, 2h) (Max) ≤ %

7.0

7.0

7.0

7.0

7.0

pH value

5.5-7.5

5.5-7.5

5.5-7.5

5.5-7.5

5.5-7.5

Modulus 500% (Min) ≥ Mpa

13.0

13.0

13.0

13.0

13.0

Tensile strength (Min) ≥ Mpa

19.0

19.0

19.0

19.0

19.0

Elongation (Min) ≥ %

550

550

550

550

550

From the soluble salt solution (Max)  %

1.5

1.5

1.5

1.5

1.5

Particle size D50, μm

2.9-4.9

3.3-5.3

3.3-5.3

4.6-6.6

5.3-7.1

Percentage rate greater particle size than 18μm

3.0

5.0

5.0

7.0

10.0

Properties: To improve the dispersion of silica in the filler for efficient mixing, the product is especially suitable for tire tread requiring high wear resistance, low rolling resistance and excellent wet grip.

Application: Used for snow tire, passenger car tire, engineering tire, aero tire, etc.

Packing: In 20kgs bag or 550kgs jumbo pakcage.

Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the packaged product to direct sunlight.

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