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| Decontamination foam ： ウィキペディア英語版 |
Decontamination foam
Decontamination foam (known commonly as Decon foam) is a spray-on cleaning solution that, due to its physical properties, has a longer residence time on contaminated surfaces than regular liquids and thus provides efficient decontamination of biological and chemical contaminants (e.g. chemical warfare agents, anthrax spores or other toxic industrial materials (TIM)). The composition of decontamination foams is essentially water, a surfactant, and various reactive chemicals that will react with common contaminants and form less hazardous products. Common reactants are hydrogen peroxide and quaternary ammonium complexes (QACs).
It is designed for use in emergency situations involving areas containing large numbers of possibly contaminated people e.g. at conventions, airports, concerts etc.
==Benefits of Decontamination Foam==
The two main benefits of decontamination foam over liquid decontaminants (chlorine, decontamination solutions, etc.) are its effectiveness on non horizontal surfaces and its high air to liquid ratio. Other decontaminants are difficult to apply to walls and ceilings due to poor adhesion, however decon foam is much better at adhering to surfaces, which increases the amount of time for the decontamination reaction to take place. Additionally, the high air to liquid ratio allows the foam to be used without over-applying the decontaminant. This high ratio also allows a small amount of liquid to cover a relatively large area in the event of a major contamination.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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