china coal 0001 Introduction of SF Foot Operated Impulse Heat Sealers SF Foot Operated Impulse Heat Sealers can shorten the original working time from 2-4 seconds to 0.2-2 seconds by adopting electric pulse technology. These foot operated impulse heat sealers are featured by few investment, long sealing length, simple operation and high benefit. SF Foot Operated Impulse Heat Sealers are widely used in food, machine, electronic component industries or other factories, shops and service industries etc. Can seal polythene, polypropylene and multi-layer compound plastics. Bottom heat sealing at one side. Heating time is adjustable. Operation is simple.  Technical Parameter of SF Foot Operated Impulse Heat Sealers Model Sealingsize Power Weight SF-300 300*3mm 350w 7.2kg SF-400 400*3mm 450w 7.5kg SF-500 500*3mm 600w 8.8kg SF-600 600*3mm 750w 10kg SF-700 700*3mm 800w 11kg SF-800 800*3mm 850w 15.5kg SF-900 900*3mm 900w 16.5kg SF1000 1000*3mm 1000w 17kg SF-1200 1200*3mm 1100w 18.5kg SF-1400 1400*3mm 1250w 21