Fire door finished surface with a layer of protective film is not good to tear
1, it is recommended to tear a corner, in the membrane and the door at the sticky point, pour alcohol, slowly tear.2, or with hot towel hot compress, use the hair dryer blow, also can more easily tear off.3, boiling water method. Suitable for steel, stainless steel, wooden can not use this method.4. Iron with iron. All doors fit.
Solution:First: boiling water method. Suitable for steel, stainless steel, wooden can not use this method.Second: iron hot. All doors fit.
There are 3 reasons for the poor protection of the membrane. First, the product has been placed too long. Second the material is placed too long. Third, environmental impact (high temperature and wind blowing).
