·SFserieshandimpulsesealeristhemostconvenientandeconomicalsealingequipmentsforshops,familiesandfactoriestouse. ·Itissuitableforsealingallkindsoffilm,recombinedmaterialsandaluminum-plasticfilm. ·Widelyusedintheindustriesareaoffoodnativeproducts,sweets,tea,medicine,hardwareetc. ModelSF-200 SF-300SF-400SF-500 Size(inches)8" 12"16"20" PowerSupply310w 400w600w800w SealingLength 200mm300mm400mm500mm IronBody√ √ PlasticBody√ √ Aluminium Body√ √√√ G/NWeight3.0kgs 4.5kgs5.5kgs7.5kgs