The SENCORP Model 24-ASG/1 gradient laboratory thermal bar sealer is the ultimate for testing the heat sealing properties of plastics, papers, metalized films, laminates, inks, and coatings.  In minutes, and entire temperature range is testing, saving hours of expensive time.  This machine offers control over the pressure and time as well as eight independently controlled heat zones, allowing the user to set up a gradient with a maximum step of 14^oC between adjacent zones.