In the event the contaminant is absorbed inside the stone, a minimum of abrasive (soft to hard) allows to clean fast and effectively.
Pictures showing before and after effect of dry ice blasting
Cleaning with COMBI71 and abrasive module
Removal of paint from concrete was impossible to do with any machine using dry ice only!
Cleaning Ship and Propellor
Painstripping Lead paint
Videos of dry ice cleaning
These applications can be cleaned with the following CRYONOMIC equipment
COB71: remote control in option
COB71A for automated blasting
COMBI71: remote control in option
COMBI72: remote control in option
COMBI73: remote control in option