This is a video of heating polypropylene sheet with a far-infrared line heater.

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Heating of polyethylene sheet Uniform heating of Rubber sheet Uniform heating of Styrofoam sheet Uniform heating of Carbon fiber sheet Heating PVC pipe Heating glue stick (EVA material) Heating of plastic containers Heating dissolution of polypropylene brush with a halogen line heaterHLH-60A/f∞