Products: MICRO 40
Commercial name
Calcium Carbonate, type: "MICRO 40".
Description
"Micro 40" is a natural product dry treated in plant enclosed to ancient quarry calcic marble (Quarry "Cava Reale Marmorera", placed near Valdieri - Piedmont-Italy).
Visual aspect
White powder.
Chemical - physical properties
Chemical grade |
CaCO3 |
98% |
Hardness (Mohs) |
3 |
|
Moisture |
< 0,2 % |
|
Oil absorption |
19 |
± 1 |
Refractive index |
1, 63 ÷ 1,66 |
|
PH value |
9 |
± 1 |
|
Chemical analysis
ELEMENTS |
% |
TOLLERANCE |
Ca O |
54,7 |
(± 0,5) |
Mg O |
0,75 |
(± 0,3) |
Fe2 O3 |
0,08 |
(± 0,01) |
Si O2 |
0,75 |
(± 0,5) |
PF |
43,5 |
(± 0,5) |
|
Fineness, sieve residue
GRAIN SIZE
(µ) |
% |
> 45 |
< 3 |
> 60 |
0,0 |
|
Indicative Particle Size Distribution (Coulter LS100)

Particle Diameter (µm) |
|