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Question:

Gypsum board is used to do?

Used to ceiling

Answer:

1. ordinary paper gypsum board: ivory white paper, gray back paper, is the most economical varieties. Applicable to non-special requirements of the use of places, the use of continuous relative humidity of not more than 65%. Because of the price reasons, many people like to use 9.5mm thick ordinary gypsum board to do the ceiling, but because the 9.5mm plain paper gypsum board is relatively thin, the intensity is not high, in the recent more rainy wet conditions prone to deformation, Recommended to do the best choice for more than 12mm ceiling gypsum board. At the same time, the use of thicker plates is also an effective means of preventing joint cracking. 2. Water-resistant paper gypsum board: green paper, green back, its core and face paper have been waterproof. According to the requirements of the national standard, water-resistant plaster board and board core must meet a certain degree of water requirements (surface water absorption of not more than 160 grams, water absorption of not more than 10%). Suitable for humid places and areas with high humidity. In the most recent rainy season, it is best to use water resistant plasterboard. Waterproof paper gypsum board for continuous relative humidity of not more than 95% of the use of places, such as bathroom, bathroom and so on. 3. Fire-resistant plaster board: red paper, gray back paper, the core of the core to increase the refractory materials and a large number of glass fiber. If you cut the gypsum board, you can see from the cross section to see a lot of glass fiber. Good quality refractory plaster board should choose a good refractory performance of alkali-free glass, the general products are used in the alkali or high alkali glass.

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