This is a demonstration of processing a reinforcing bar into a heat-shrinkable tubes using a carbon ring heater.

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Related page:

Heat shrink tube processing for electric wires No.2 Rust and corrosion prevention of reinforcing bars Shrinkage of heat shrink tube with heat resistance of 200℃ Heating of the heat shrink tubing with the Halogen Ring Heater No.9 Heat source of heat shrink tunnel No.14 Shrink processing Heat shrink film of battery No.10 Pre-heating glass processing