1. In many case when exporting or importing electronic devices, such as capacitors, wooden packaging is used. In order to control insects, many times it becomes necessary to fumigate the shipments. Precautions during "Fumigation" using halogenated chemicals such as Methyl bromide must be taken. Halogen cas can penetrate packaging materials used, such as cardboard boxes and vinyl bags. Penetration of the halogenide gas can cause corrosion of Electrolytic capacitors.