ProRox GR 903 is a granulated stone wool without additives. It is used, among others as a thermal insulation of the cold store.

Technical data

• thermal conductivity: 0.015 W / mK (-180 C); 0.018 W / mK (-140 C); 0.022 W / mK (-100 C); 0.027 W / mK (-60 C); 0.033 W / mK (-20 C); 0.039 W / mK (20 C)
• corrosion resistance: traces of ion in chloride leached ≤ 10 ppm
• reaction to fire: Euroclass A1