Products: VENTILATO
Commercial name
Calcium Carbonate, type:"VENTILATO".
Description
The “VENTILATO” Calcium Carbonate is obtained from calciferous marble, which we exctract from the ancient “Cava Reale Marmorera"(in Valdieri, CN), and is being treated in the establishment close to the mine.
Visual aspect
White powder.
Chemical - physical properties
Chemical grade |
CaCO3 98% |
± 1 |
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 |
(± 0,05) |
PF |
43,5 |
(± 0,5) |
|
Fineness, sieve residue
GRAIN SIZE
(µ) |
% |
0 ÷ 75 |
>= 95 |
> 100 |
<= 2 |
|
Indicative Particle Size Distribution (Coulter LS100)

Particle Diameter (µm) |
|