: Hartzell Propeller Inc. recommends re-applying CM352 at regularly scheduled intervals, typically aligned with the lubrication intervals specified in the Propeller Owner's Manual Service Letters : Always refer to the latest Hartzell Service Letters (e.g., HC-SL-61-364) Standard Practices Manual 202A for the most current compliance requirements. Alternative and Related Products
At flow rates above 8 ft/sec (2.4 m/s), shear stress can erode the protective film. CM352 is film-forming, not erosion-resistant. If your pumps are oversized, install a bypass or reduce impeller speed. corrosion inhibitor cm352
While generic phosphonate blends exist, genuine CM352 contains specific azole ratios that generic suppliers often cut. Always request a Certificate of Analysis (COA) verifying the triazole content (>8% by weight). : Hartzell Propeller Inc
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