Cm352 Corrosion Inhibitor May 2026
Despite its robust formulation, users occasionally encounter performance gaps. Here are common fixes:
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | High iron counts despite adequate dosage | Biofilm under-deposit corrosion | Conduct a biocide shock (non-oxidizing) and then re-passivate with CM352. | | Copper pitting | Low azole concentration | Test tolyltriazole levels; supplement with a dedicated copper inhibitor if below 10 ppm. | | White rust on aluminum | pH > 9.5 | Reduce alkalinity via acid feed (sulfuric or CO2). | | Foaming in cooling tower | Overdose >2000 ppm | Reduce feed rate; add a low-silicone antifoam. | cm352 corrosion inhibitor
For a new or cleaned system, use a "shock dose" of 2000–2500 ppm of CM352. Circulate this concentration for 24–48 hours. This step allows the film to fully develop on all bare metal surfaces. Disclaimer: This report is based on typical technical
CM352 represents a robust solution for mitigating corrosion in aggressive oilfield environments. Its filming amine technology provides a reliable barrier against CO2 and H2S corrosion, extending the asset life of pipelines and tubing. To maximize efficacy, operators should conduct thorough compatibility testing with elastomers and process fluids and ensure continuous injection rates are optimized based on corrosion monitoring data (coupons or probes). Subject: Analysis of Properties
Disclaimer: This report is based on typical technical data for amine-based corrosion inhibitors identified by the trade name CM352. Users must consult the specific Safety Data Sheet (SDS) and Technical Data Sheet (TDS) provided by the chemical vendor prior to application.
Subject: Analysis of Properties, Mechanism, and Application of CM352 Corrosion Inhibitor Date: October 26, 2023 Prepared For: Technical Operations / Engineering Management
| Environment | Initial dose | Maintenance dose | Notes | |-------------|--------------|------------------|-------| | Acidizing (15% HCl, 90°C) | 0.3% v/v | – | Add KI 0.03% for synergy | | Cooling water (pH 7.5, 40°C) | 50 ppm | 20 ppm weekly | Monitor biocide compatibility | | Sour brine (200 ppm H₂S) | 100 ppm | 50 ppm every 3 days | For batch treatment | | Pipeline pigging | 0.1% in batch volume | – | Use with MEG for hydrate control |