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stipulated that if the joints are less than or equal to 2mm, they are ordinary defects, and when the general defects are more than 4 points, they are quality problems. Solid wood doors are prone to cracking. Drying of raw materials is the key. Wooden doors are just like human skin.
When the air is extremely dry, it will lose moisture and shrink. There may be a few cracks on the surface of hardwood. How to prevent cracking of solid wood door industry insiders: As long as it is a solid wood material, it will inevitably appear moisture deformation and cracking.
However, as long as the moisture content of the plate is controlled and the manufacturing process is improved, the probability of cracking can be greatly reduced. At present, there is a microwave drying technology that can disrupt the original fiber structure of wood and reduce the chance of wood cracking.
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