Gypsum board how to distinguish between good and bad
Paper gypsum board technology articles
Paste gypsum board is based on gypsum as a substrate, incorporating a small amount of additives and reinforcing fibers, and in the board, the back of the board a layer of paper made of adhesive. The paper gypsum board was originally made in 1890
The United States invented production, introduced in Europe in 1917, because of its light weight, thermal insulation, fire, noise, construction convenience, green and many other advantages, gypsum board in the building
In the application of rapid development, production continues to grow. According to statistics, in 1997 the annual output of US paper gypsum board has reached 1.9 billion meters 2, about 80% of the wall material application of gypsum board,
And in the United States 100% of residential buildings are used gypsum board as an internal wall material, the Japanese production is also more than 700 million m 2. Per capita consumption, Canada is 13.2 m 2 / person
Year, the United States is 8.1 m 2 / person-year, Japan and France 4.4 m 2 / person, the UK 2.6 m 2 / person, while China is only less than 0.3 m 2 / person, far lower than other countries Level.
