What are the details requirements for a high-quality inspection-free cardboard?

    Inspection-free pallets play an important role in packaging and transportation, and are one of the important items needed in the logistics process. What kind of inspection-free card board do we want to know today to be considered high-quality? In terms of quality, it must meet the following detailed requirements:

1. The plugs and plugs of the cardboard can not be cracked, and cracks of no more than 5% of the length of the plate are allowed on the surface without affecting their external and strength.

2. The inspection-free card plate uses a solid wooden section, and its diameter cannot exceed 20% of the width of the board; The diameter of non-solid wooden joints cannot exceed 10% of the width of the board; The length of the board within 1000mm should not exceed 5 wooden nodes; The use of fir non-inspection card plate, the length of the board within 1000mm can not exceed 10 knots.

3. Under the condition that the sealing will not be affected, the bending degree is allowed to be within the range of 0.6%.

4. There must be no decay.

5. There must be no discoloration.

6. There must be no worm eyes.