SYNONYM: BARYTES
FORMULA: BaSO4
M. W. : 233.40
CAS NO.: 7727-43-7
DESCRIPTION: COLORLESS PRISMATIC CRYSTAL SHOWN AS AMORPHOUS WHITE
POWDER: HARDLY SOLUBLE IN WATER, ETHANOL AND ACID; EASILY FORMING LUMPS IN DRY
AIR.
SPECIFICATIONS:
|
ITEM |
SUPER |
EXCELLENT |
FIRST |
|
|
BaSO4 (AS PER
DRY) %MIN. |
98.5 |
98.0 |
98.0 |
|
|
VOLATILIZATING
MATTER AT 105℃ %MAX. |
0.1 |
0.10 |
0.15 |
|
|
SOLUBLE IN
WATER %MAX. |
0.18 |
0.20 |
0.25 |
|
|
Fe %MAX. |
0.002 |
0.003 |
0.004 |
|
|
WHITENESS %MAX. |
96 |
95 |
95 |
|
|
OIL ABSORPTION % |
18-25 |
17-25 |
17-25 |
|
|
PH VALUE |
6.5-8 |
6.5-8 |
6.5-8 |
|
|
RESIDUE ON
SIEVE OF 30.3mm %MAX. |
0.06 |
0.10 |
0.20 |
|
|
S %MAX. |
0.001 |
0.003 |
0.003 |
|
|
PARTICLE SIZE |
10μm
%MAX |
98 |
97 |
95 |
|
5μm
%MAX |
97 |
96 |
95 |
|
|
2μm
%MAX. |
88 |
88 |
85 |
|
USES: MAINLY USED FOR PAINT, PRINTING-INK, TEXTILE, PIGMENT AND POTTERY
INDUSTRIES, ALSO USED AS COATINGS ON THE SURFACE OF RUBBER, PLASTIC,
PHOTO-PAPER ETC.
PACKING: 25KG/50KG NET EACH IN P.P WOVEN BAG LINED WITH P.E BAG.