Gypsum board plus alkali-free glass fiber benefits
Refractory paper gypsum board: its core to increase the refractory material and a large number of glass fiber, if cut gypsum board, you can see from the cross section of a lot of glass fiber. Good quality refractory plaster board will choose a good refractory performance of alkali-free glass, the general products are selected in the alkali or high alkali glass
Waterproof paper gypsum board: its core and face paper are subject to water treatment, according to the national standard requirements, 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%). 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.
Ordinary paper gypsum board: ivory white board core, gray paper, is the most economical and common 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 or wall, but because the 9.5mm plain gypsum board is relatively thin, the intensity is not high, prone to deformation under wet conditions, so It is recommended to use more than 12mm gypsum board. At the same time, the use of thicker plates is also an effective means of preventing joint cracking.
