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Question:

Waterproof gypsum board water absorption

Waterproof gypsum board water absorption

Answer:

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.
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 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.

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