Vetreria

Vetreria 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-gray sand.

Areas of use

Premixed.
Dehumidifying plasters.
Flux for the production of glass.
Food for laying hens and poultry.

Chemical gradeCaCO398/99%
Hardness (Mohs)3
Moisture< 0,2 %
Refractive index1,63 ÷ 1,66
PH value9
ELEMENTS%TOLLERANCE
Ca O54,4(± 0,5)
Mg O1,15(± 0,3)
Fe2 O30,02(± 0,01)
Si O20,35(± 0,05)
PF44,3(± 0,5)
GRAIN SIZE (mm)%
2,360 ÷ 2,000<= 2
< 0,850<= 6