Abstract: To provide reference for the selection of disinfectant types, dosage, and hazard avoidance in practical applications, we compared and analyzed the corrosiveness of vaporized hydrogen peroxide and chlorine dioxide gas which are commonly used fumigation disinfectants in the field of biosafety. Under the same temperature and humidity conditions, the metal and non-metal materials in the field of biosafety were selected as disinfection objects. They were placed in a 1 m3 sealed chamber with the relative humidity of 50% and the temperature of 20 ℃, and exposed to 6.5 g/m3 of vaporized hydrogen peroxide and 3.3 g/m3 of chlorine dioxide gas for 1.5 h. This experiment was repeated 20 times. The corrosion and changes in properties of the materials were analyzed through weighing, apparent observation, and transmittance testing. Vaporized hydrogen peroxide has mild corrosion on most stainless steel, copper, aluminum alloys, and chromium coatings. Chlorine dioxide gas shows mo-derate corrosion on copper and aluminum, and mild corrosion on stainless steel and chromium coatings. These two fumigation disinfectants have no obvious corrosion to non-metallic materials, and slight corrosion to materials such as PP, PMMA, and color coated steel plates. Chlorine dio-xide gas can change the appearance of TPU and ABS. Vaporized hydrogen peroxide and chlorine dioxide gas fumigation disinfections have good compatibility with metal materials, and neither cause severe corrosion or significant changes in material properties. Chlorine dioxide gas can cause color changes in certain non-metallic materials. Comparatively speaking, the impact of vaporized hydrogen peroxide on materials is smaller than that of chlorine dioxide gas. In the practical application of the two fumigation disinfectants, their material compatibility should be fully considered to simultaneously ensure disinfection effectiveness and minimize the impact on material properties.
商怡然, 刘强, 李海云, 赵洁, 邓橙, 王心淼, 吴金辉, 衣颖. 汽化过氧化氢和气体二氧化氯熏蒸消毒材料兼容性研究[J]. 材料导报, 2025, 39(14): 24030141-6.
SHANG Yiran, LIU Qiang, LI Haiyun, ZHAO Jie, DENG Cheng, WANG Xinmiao, WU Jinhui, YI Ying. Study on the Material Compatibility of Vaporized Hydrogen Peroxide and Chlorine Dioxide Gas for Fumigation Disinfection. Materials Reports, 2025, 39(14): 24030141-6.
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2025, Vol. 39 
