The difference by the color of the polypropylene heating with a halogen line heaterHLH-60A/f∞ HEAT-TECH info 8 years ago This video is a demonstration to The difference by the color of the polypropylene heating with a halogen line heaterHLH-60A/f∞. Related page: Heating dissolution of polypropylene brush with a halogen line heaterHLH-60A/f∞ Heating of acrylic beads with a halogen line heaterHLH-60A/f∞ Heating dissolution of paraffin candles with a halogen line heaterHLH-60A/f∞ Heating of polystyrene spoon with a halogen line heaterHLH-60A/f∞ Pet Resin bottle heating with halogen line heater Wood heating with halogen line heater Aluminum can heating with halogen line heater Copy paper heating with halogen line heater