Pinpoint infrared heating on polyurethane sponge HEAT-TECH info 2 weeks ago This video shows pinpoint infrared heating of polyurethane sponge using a halogen glass rod heater. Please check the following site for more information. Related page: Pinpoint infrared heating on transparent polystyrene case Pinpoint infrared heating on black polyethylene case Infrared pinpoint heating of paper Pinpoint heating of polypropylene pellets Pinpoint heating of solder Make a hole in plastic bottle caps using infrared rays Make a hole in plastic bottle using infrared rays Resin heating during heat caulking process