Glued to the door, how can the plastic film be cleaned due to oxidation?
Hair dryer blow, and then remove or use wood shovel, rubber mark can be erased with solvent oil.
With sulfuric acid water, diluted after immersion, the concentration can not be too high, otherwise it will corrode the door body, bubble finished with clean cloth can be wiped.
1, if the area is not very large, you can use a proper amount of banana water soaked, and then use clean cloth can be wiped.2. Try cleaning with textile detergent.