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TECHNICAL BULLETINS

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Corrosion Resistance of Heat Exchanger Fin Materials

Details

Corrosion Resistance of Heat Exchanger Fin Materials to Potassium Hydroxide Sodium Hypochlorite-Based Cleaning Chemicals and Ammonia

INTRODUCTION

The goal of these tests is to determine the corrosive effects of potassium hydroxide and sodium hypochlorite-based industrial cleaners on commonly used heat exchanger fin materials. These materials include aluminum, stainless steel, carbon steel, copper, copper-nickel, and Electrofin coated aluminum. The samples were submerged in the cleaning chemicals, held for 250 hours, and then compared to the original sample. 

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