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(
I
) Technical Data Sheets (TDS)
(A) TYPICAL CHEMICAL PROPERTIES
PERCENTAGE
CALCIUM OXIDE
CaO
45.5 - 47.00
SILICA
SiO2
48 - 49.50
MAGANESIUM OXIDE
MgO
0.20
ALUMINA
Al2O3
0.60
FERRIC OXIDE
Fe2O3
0.43
TITANIUM DIOXIDE
TiO2
Traces
MANGANESE OXIDE
MnO
0.29
SODIUM OXIDE
Na2O
0.02
POTASSIUM OXIDE
K2O
0.11
LOSS ON IGNITION
LOI
1.80 - 4.5
(B)
TYPICAL PHYSICAL PROPERTIES
CHEMICAL FORMULA
CaSiO3
MOLECULAR WEIGHT
116
FORM & HABIT
BLADED CRYSTAL MASSES
CRYSTAL SYSTEM
TRICLINIC ( ACICULAR )
COLOUR
BRILLANT WHITE
LUSTRE
PEARLY
BRIGHTNESS
78% TO 92%
REFRACTIVE INDEX
1.627
SPECIFIC GRAVITY
2.9
BULK DENSITY
LOOSE
0.33 to 0.55 gm / ml
TAPPED
0.60 to 0.95 gm / ml
HARDNESS
4.5 ( Moh’s Scale )
OIL ABSORPTION
40 to 65 ( w/w )
pH OF 10% SLURRY ( FRESHLY PREPARED )
9.0 ( at Ambient )
SOLUBILITY IN WATER
0.01%
MELTING POINT
1540
0
C
CO-EFFICENT OF EXPANSION
6.5 X 10
-6
(e
0
)-1
THERMAL CONDUCTIVITY 350-600 C
2.16 (gm/cal ) ( sec-
0
CX103)
CHEMICAL ACTIVITY
Largely inertDecomposes in acids.
SPECIFIC HEAT
0.24 cal / gm0 C
(
II
) TECHNICAL DATA SHEETS (TDS) OF A PARTICULAR GRADE :
Available on request.
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