K01

K02

K03

K04

ISO brightness

92+/-2

93+/-2

93+/-2

93+/-2

grain size (um)

90+/-2

80+/-2

65+/-2

95+/-2

medium particle size (um)

0.68

1.35

1.85

2.75

most large particle size (um)

5.5

6.3

7.3

10.0

oil adsorption (g/100g)

55-65

-

-

-

abrasion (mg/2000)

3.3

-

-

-

PH20% aqueous slurry

6.5-7.2

6.5-7.2

6.5-7.2

6.5-7.2

Residue on 325mesh

<0.004%

<0.005%

<0.007%

<0.01%

Moisture

<1.0%

<1.0%

<1.0%

<1.0%

K11

K12

K13

grain size(-7um)

95+/-2

95+/-2

95+/-2

Medium particle size(um)

2.75

2.75

2.75

Most large particle size(um)

10.0

10.0

10.0

PH20% aqueous slurry

4-6

4-6

4-6

Residue on 325mesh

<0.01%

<0.01%

<0.01%

Moisture

<0.5%

<0.5%

<0.5%

Hydrophobicity(degree)

>15

-

-