Colossi of Memnon
Built: circa 1360 before Christ on behalf of the Pharaoh Amenophis III.
Heigth: 15 m
Weigth: 800 t each statue
Building material: quartzite
Type of Soiling: Airborne desert sand, Nile sludge, exhaust gases, soot
Cleaning Equipment: Blasting Gun, Abrasive: Calcium Carbonate
Period of Cleaning: January - March 2002
Heigth: 15 m
Weigth: 800 t each statue
Building material: quartzite
Type of Soiling: Airborne desert sand, Nile sludge, exhaust gases, soot
Cleaning Equipment: Blasting Gun, Abrasive: Calcium Carbonate
Period of Cleaning: January - March 2002