Moisture-proof board MDF PARTICLE BOARDS

Moisture-proof board MDF PARTICLE BOARDS

The distinction between moistureproof boards and density boards is similar.

Moisture-proof board is a kind of waterproofing agent of copper sulfate added to wood material, so the wood part of the board is green.

Now some improper traders add green pigments to the wood part of the counterfeit copper sulfate, the difference is that small pieces of ordinary particleboard and damp-proof board are washed in water for 1-2 hours at the same time, the edge expansion rate is the same, explain that the damp-proof board is false, if the expansion rate of damp-proof board is greater than that of ordinary particleboard, it is true.

To explain, the real damp-proof board is not that the drainage does not shrink at all, but the expansion rate is much smaller.

The distinction between moistureproof boards and density boards is similar. Moisture-proof board is a kind of waterproofing agent of copper sulfate added to wood material, so the wood part of the board is green. Now some illegal businessmen add green pigments to the wood part to imitate copper sulfate. The difference is that small pieces of ordinary particleboard and damp-proof board are immersed in water for 1-2 hours at the same time. The edge expansion rate is the same, which shows that the damp-proof board is not true. The expansion rate of the board is smaller than that of ordinary particleboard, which is true. It should be noted that the real dampproof board is not immersed in water and does not expand at all, but the expansion rate is much smaller.

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