Factors affecting eco-plate prices
Buy eco-board selection riding international! The following small editor to introduce the impact of eco-plate price factors?
In the process of ecological board drying, the evaporation of water must go through two physical processes: First, the evaporation process of water from the wood surface facing the surrounding medium; The second is the diffusion of water from the inside of the wood to the surface. Whether it is evaporation of free water or evaporation of adsorbed water, these two processes are objective. However, the rate of evaporation of the two parts of the water is different. When evaporating free water, the rate of water diffusion is consistent with the rate of water evaporation, and the heat transmitted to the wood by the outside world is carried away by the large evaporation of water. Therefore, the water content dropped rapidly at this stage, but the temperature of the wood itself remained basically unchanged and the material properties did not change.
When water is adsorbed in an ecological paint free plate, the rate of water diffusion is less than the rate of water evaporation, and only part of the heat transmitted to the outside wood is taken away by the evaporation of water. Therefore, the rate of water loss at this stage is slow. The other part of the heat transmitted to the wood is used to increase the temperature of the wood. Since the material properties will change at this time, it is easy to have defects such as deformation and cracking.
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