Portable Induction Sealing Machine Model ISM-500 utilizes the electromagnetic induction principle to produce instant high heat to manually adhere the melted Wad type aluminum foil sheet to the bunghole of PP / HDPE / LDPE / PET bottles / jars. The advantage of this machine is that there is no surface heat for sealing the caps so that the bottles or caps cannot get damaged. This is useful for leak proof sealing in pharmaceuticals, cosmetics, food industry, etc.