250 Mesh White Dolomite Powder

PRODUCT

DOLOMITE POWDER

State:

Powder

Whiteness:

88% - 92%

Brightness:

90 % and Above

Calcium Carbonate as CaCo3:

45% - 55%

Silica as SiO2:

Less than 1%

Magnesium Carbonate as MgCo3:

28% - 32%

Alumunium Oxide as Al2O3:

0.05

Potassium Oxide as K2O:

0.021

Sodium Oxide as Na2O:

0.01

Titanium Oxide as TiO2:

0.7

Ferrous Oxide as Fe2O3:

0.11

Other Oxides:

1 to 3%

Molecular Formula:

CaMg(CO3)2

Grade Standard:

Industrial Grade

Appearance/Color

White

Other Name:

Carbonic acid, Calcium magnesium dicarbonate

Molecular Weight: 

184 g/mol

pH Value:

6.5-7.5

Refractive index:

1.505 to 1.743

Specific Gravity:

2.8 to 2.9 g/ml

Melting Point:

~2570- 4660°

Loss on ignition:

41%- 46%

Moisture:

6 %

Solubility:

80 % - 90% 

Hardness:

3.5 to 4

Bulk Density:

0.70 - 1.35

Oil absorption value:

(16 - 20g/100gm)

CaCl2:

2.84 g/cm³ (Average)

Thermal Conductivity:

Low

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Lustre:

Vitreous

Streak:

white

Diaphaneity:

Transparent to translucent