CHEMICAL ANALYSIS

Typical Value

(Measured on a % dry basis Properties )

SF-1

SF-2

SF-3

SiO2

95

93

91

ZrO2

2.0

2.0

2.0

Fe2O3

0.20

0.30

0.30

Al2O3

0.1

0.1

0.1

Na2O

0.01

0.01

0.01

K2O

0.01

0.01

0.01

CaO

0.001

0.001

0.001

MgO

0.003

0.003

0.003

TiO2

0.04

0.04

0.04

Properties

Typical Value

SF-1

SF-2

SF-3

Loss on ignition(%)

0.30

0.30

0.30

whiteness

90

85

75

Specific surface area (m²/g)

9

8

7

Particle SizeD50(μm)

1.3

2

2

PH

3

3

3