Specifications of the semi-automatic tray sealer HL-95B (d75/95) The automatic desktop tray sealer HL-95A is designed for sealing plastic containers, cups with heat-sealable materials with cutting along the tray contour. The main advantages of these units are their high sealing speed and automatic film rewinding. All operations, except for installing the tray and removing it, are also carried out automatically. The sealers of the HL-95A series can work both on colored film (with photo markings) and on transparent film, leaving a tongue for easy opening.