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This video is a demonstration in the air of 400 ℃ Heat shrink film of battery by the Air Blow Heater.

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Make a hole in the Polyolefin heat-resistant five-layer film No.4 Film shrink Shrinkage of heat shrink tube with heat resistance of 200℃ Heating of the heat shrink tubing with the Halogen Ring Heater No.93 Heat shrink the capacitor Heat-hardening of refractory putty Heat resistance test of hot water cutting holes in the cup chow mein Heat curing of special polyurethane adhesive