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Question:

Waterproof gypsum board water absorption

Waterproof gypsum board water absorption

Answer:

Water-resistant gypsum board used in the environment is the humidity of the environment, it has a certain water absorption, but through the air circulation can be released as long as your environment is not constant at 90 degrees Celsius 90% humidity.
Gypsum board behind the wall is also very cool, because the thermal conductivity of brick walls than gypsum board to high, naturally feel cool, like you touch a piece of iron, will feel cooler.
Water-resistant gypsum board water absorption of the national standard is <10%, as you said the gap in the gypsum board inhaled a lot of water, it is definitely not water-resistant gypsum board, the current market, some manufacturers with moisture gypsum board to muddle through (such as domestic dragon Brand has this situation), because the moisture-proof paper gypsum board only face paper added to the hydrophobic agent, and gypsum core is not.

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