COMMON FILM FACED PLYWOOD DEFECTS BY VIETNAM MANUFACTURERS

Film-faced plywood is the most popular plywood produced by manufacturers in Vietnam.  There are 5 common defects of film faced plywood by Vietnam manufacturers:

1/ BURN FILM ON FILM FACED PLYWOOD

   Burn film is the most popular defect of film-faced plywood. Burn film is the film integrity damage caused by internal or external defects.

1. The face of film-faced plywood is sanded not well.
2. The veneer is too high moisture or non-uniform dried.
3. The veneer is too bad quality, too deep crack on back.
4. It’s too high temperature or too high pressure in the hot-press process.
5. Incorrectly calculate the thickness of the veneer; or too high hot-press and too high temperature.

2/ LOCAL BUBBLES ON FILM FACED PLYWOOD SURFACE

1. The veneer is too high moisture or non-uniform dried.
2. The spread of glue is too much, non-uniform.
3. Hot-press pressure is reduced quickly, the temperature is too high.
4. Resin is in not have enough condensation.
5. The time of the hot press is not enough.

3/ EDGE CHIPS ON FILM FACED PLYWOOD
Edge chips constitute the defect characterized by the lack of laminating film on the edges of a plywood sheet.




Reason:

1. The time of the hot press is not enough.
2. The veneer is too high moisture or non-uniform dried.
3. The face is sanded not well.
4. The quality of the glue is poor.

4/ LOCAL LAMINATION OF FILM FACED PLYWOOD SHEETS

1. The veneer is too bad quality, too deep crack on back Sides of veneer is not regular.
2. The veneer is too high moisture.
3. Hot-press pressure is reduced quickly, the temperature is too high.
4. Resin is in not enough condensaưtion.

5/ FILM POWDERING