This is a demonstration of heating a polyester pipe on both sides with the halogen double-sided heater HDSH.
Related page:
Double-sided heating of PVC pipe 
Halogen Double-Sided Heater Products 
Halogen double-sided heater HDSH-60 
Halogen Double -Sided heater List 
No.8 Preventing stringiness with non-contact heating plate 
No.5 Laminating adhesive drying 
No.4 Fusion press fitting of resin parts 
No.1 Preheating a small press mold