According to: PN-85/H-11001

Application:

• Manufacturing of molding and core sand for the production of cast iron, steel and nonferrous metals;
• Manufacturing of molding and core sand for medium-sized steel castings;
• For the wrapping process, resin, process and forms the core box hot core of the masses of resin and bentonit

Assortment

Assortment	Main fraction
Coarse silica sand	0,40/0,315/0,20
Coarse silica sand	0,20/0,315/0,40
Medium silica sand	0,20/0,16/0,315
Fine silica sand	0,20/0,16/0,10
Fine silica sand	0,10/0,16/0,20 (0,1÷0,3)
Very fine silica sand	0,10/0,16/0,071
Very fine silica sand 0,250