Wu-Hsing’s Foot Sealers: Impulse sealing: single sealing is for PE, PP, most of plastic materials, Double-sides sealing is ideal for plastic, Alum. Nylon, Kraft paper bags, and Gusset bags. Timer control (0-1.5 sec. or 0-2 sec.), needs longer Congealing time (keep pressing, concreting, cooling, and leveling...)
Direct Heat sealing is ideal for heat-resistant materials: Nylon, Aluminum foil, Cellophane, Sterilization bags… Temperature controlled (0-300 degree C), needs warm up time: 10 minutes +.
By foot operated is easier for user to operate machine by foot while 2 hands hold the bags well operated to make an excellent and perfect sealing.