Supply iron shell Electric Manual Operated hand impulse heat sealer and Electric Plastic Poly Bag Sealing Machine from china. iron shell Electric Manual Operated hand impulse heat sealer and Electric Plastic Poly Bag Sealing Machine are for sealing plastics bags, polythene, bubble wrap etc from china.Medical impulse sealers are specifically designed and recommended for the health care industry. iron shell Electric Manual hand impulse heat sealer and Electric Plastic Poly Bag Sealing Machine for sealing plastics bags, polythene, bubble wrap will create an air and watertight seal on sterilization (paper-plastic) bags and tubing materials. It has a built-in warning beeper that notifies the user when the seal is complete and produces an embossed honeycomb like texture that has a width of 5 mm. This 5 mm heat sealer can seal bags that are very thick and provides a very wide and secure seal.