TALC POWDER 

FORMULA: Mg3SI4O10(OH)2 

M. W.: 378 

CAS NO.: 14807-96-6 

GRADE: CERAMIC GRADE 

SPECIFICATIONS:

ITEM

Special

First

QUALIFIED

Whiteness %≥

92

91

90

SiO2 %≥

61

60

58

MgO %≥

31

31

31

CaO%≤

0.50

1.00

1.50

Fe2O3%≤

0.30

0.40

0.50

Al2O3 %≤

0.20

0.30

0.30

L.O.I. (1000℃) %≤

6.00

7.00

8.00

ACID SOLUBLE CALCIUM %≤

0.40

0.60

0.80

Moisture %≤

0.2

0.4

0.5

Passing through (45µm) %≥

95-99

PACKING: PACKED IN 25KG NET PER KRAFT PAPER BAG, 20MT/20’ FCL.