Silica Silicon Dioxide White Carbon Black for Rubber Tyre Paint

Item

SD522

SD523

SD521

SD520

Appearance

White Powder

White Powder

White Powder

White Powder

SiO2 (dry basis) %

≥90

≥90

≥90

≥90

Heating Loss(105℃, 2h)

4.0-7.0

4.0-7.0

4.0-7.0

4.0-7.0

Ignition Loss (dry, 1000℃, 2h)

≤7

≤7

≤7

≤7

pH Value

6.5-7.5

6.5-7.5

7.0-7.5

6.5-7.5

Specific Area (m2/g)

160-180

140-160

200-230

100-130

Total Fe (mg/kg)

≤300

≤300

≤300

≤300

Total Cu (mg/kg)

≤10

≤10

≤10

≤10

Total Mn (mg/kg)

≤40

≤40

≤40

≤40

Matter on Sieve (45μm) %

≤0.5

≤0.5

≤0.5

≤0.5

Tensile Stress at 500% (MPa)

≥13

≥13

≥13

≥13

Tensile Strength (MPa)

≥19

≥19

≥19

≥19

Elongation at Break

≥550

≥550

≥550

≥550

Item

SSD-627

SSD-727

SSD-527

Appearance

White Powder

White Powder

White Powder

SiO2 (dry basis) %

≥90

≥90

≥90

Heating Loss(105℃, 2h)

4.0-7.0

4.0-7.0

4.0-7.0

Ignition Loss (dry basis, 1000℃, 2h)

≤7

≤7

≤7

pH Value

6.5-7.5