Diatomean earths

Description:

The diatomean are silicon type deposits formed by the accumulation of fosile shells of microscopic  marine seaweeds, this mineral conveniently treated converts in a highly structured material, unshapable and of great specific surface.           

It is usually used in wine filtration in those called earth filters.          

Characteristics:

Quality	Colour	Permeability in Darcies	Pore size in microns
Standard	Rosé	0,25	3,5
Hyflo	White	1,10	7.0