Desktop heat sealer, 400mm with a built-in cutter. Desktop heat sealers are designed for sealing plastics and polythene. Heat sealers with cutters are ideal where any excess material needs to be trimmed off, or for use with polythene lay flat tubing to make custom sized polythene bags. Heat sealers in this range are built to a high specification and are CE approved. Audion branded, these are amongst the highest quality impulse sealers on the market. They feature adjustable timer controls to suit a wide variety of films, and can seal up to 2 x 0.15mm.