Stone wool insulation (the most common alternative name)
Mineral wool insulation
Mineral fiber insulation
Basalt wool (when made primarily from basalt rock)
Slag wool (when made partly from blast furnace slag)
Acoustic wool (when used mainly for soundproofing)
Fireproof insulation wool (a descriptive trade name)
Thermal mineral wool
Insulation batts or insulation slabs (referring to the product form)