This is a video of heating plastic container with a Far-Infrared Line Heater.
Please check the following site for more information.
Related page:
Heating of carbon-fiber-reinforced plastic,CFRP 
Melting of Polypropylene with 5% biomass plastic addeds tube using Air Blow Heater 
Uniform heating of Printed Circuit Boards 
Uniform heating of EVA resin mat 
Uniform heating of polyethylene cap 
Uniform heating of Rubber sheet 
Uniform heating of Styrofoam sheet 
Uniform heating of Carbon fiber sheet