If you are performing maintenance on a Hartzell propeller system, CM352 is the choice for counterweight protection. Using substitutes not listed in the Service Letter (HC-SL-61-364) could void warranties or compromise component integrity. HC-SL-61-364 - SERVICE LETTER
A: Indirectly. CM352 does not contain biocides, but the dense film prevents sulfate-reducing bacteria (SRB) from accessing the metal surface. For active MIC, treat with a biocide 24 hours before adding CM352. cm352 corrosion inhibitor
For technical datasheets, Safety Data Sheets (SDS), and custom dosing calculators, consult your local industrial water treatment specialist. If you are performing maintenance on a Hartzell