Item

DG90

DG90A

(%)

Whiteness

≥ 93

≥ 92

(-2μ%)≥

Granularity

88±2

88±2

(%)≤

Screen residue, 325 mesh

0.005

0.005

(%)≤

Moisture

0.5

0.5

(g/100g)

Oil absorbency

65±5

65±5

(mg/2000times)≤

Abrasion(mg/2000times)

3.3

3.3

Refractive index

1.62

1.62

PH

6.0~8.0

6.0~8.0

(g/cm3)

Density

2.7

2.7

SiO2

Al2O3

Fe2O3

TiO2

CaO

Na2O

K2O

MgO

52±2

45±2

≤0.5

≤0.8

≤0.5

≤0.2

≤0.1

≤0.2