325 Mesh
Washed Kaolin

LKC-325Y

LKC-325E

Chemical
Analysis

SiO2(%)

≤50

≤50

Al2O3(%)

35.5±1

35.5±1

Fe2O3(%)

≤0.35

≤0.50

K2O(%)

2.50

2.50

Na2O(%)

0.15

0.15

TiO2(%)

0.03

0.03

CaO(%)

0.10

0.10

MgO(%)

0.15

0.15

L.O.I.(%)

12.30

12.30

Grit
Distribution

>44μm(%)

≤1

≤1

>25μm(%)

/

/

<2μm(%)

≥25

≥25

Natural
Whiteness

%

≥76.5

≥75.5

Fired
Whiteness

%(1280℃)

≥90

≥88

Moisture
Content

%

≤15

≤15

PH Value

∕

6.0～6.5

6.0～6.5

Plasticity
Data

∕

0.58

0.58

Modulus of
Rupture

Mpa(105℃)

1.30

1.30

Linear
Shrinkage

Dried(105℃)

7.2

7.2

Fired(1280℃)

8.4

8.4

Total(%)

15.5

15.5

Crude Kaolin

LKC-YG1

LKC-YG2

Chemical
Analysis

SiO2(%)

≤74

≤74

Al2O3(%)

≥15

≥15

Fe2O3(%)

≤0.25

≤0.35

K2O(%)+Na2O(%)

≤5.0

≤5.0

TiO2(%)

0.05

0.05

CaO(%)

0.09

0.10

MgO(%)

0.30

0.30

L.O.I.(%)

5.60

4.30

Elutriating
Rate

325目(%)

≥20

/

Natural
Whiteness

%

≥80

<79
≥76

Fired
Whiteness

%(1280℃)

≥86

≥84

Moisture
Content

%

≤17

≤17

PH Value

∕

6.0～6.5

6.0～6.5

Super Longyan Kaolin

LKC-70

LKC-60

Chemical
Analysis

SiO2(%)

≤49

≤50

Al2O3(%)

36.5±1

36.0±1

Fe2O3(%)

≤0.35

≤0.35

K2O(%)

1.90

2.05

Na2O(%)

0.15

0.15

TiO2(%)

0.03

0.03

CaO(%)

0.10

0.10

MgO(%)

0.15

0.15

L.O.I.(%)

13.5

12.30

Grit
Distribution

>44μm(%)

∕

∕

>25μm(%)

∕

∕

－2μm(%)

<80
≥70

<70
≥60

Natural
Whiteness

%

≥76.5

≥76.5

Fired
Whiteness

%(1280℃)

≥90

≥90

Moisture
Content

%

≤24

≤24

PH Value

∕

6.0～6.5

6.0～6.5

Plasticity
Data

∕

0.66

0.65

Modulus of
Rupture

Mpa(105℃)

1.50

1.40

Linear
Shrinkage

Dried(105℃)

7.3

7.2

Fired(1280℃)

10.0

8.3

Total(%)

16.5

15.8