High Strength Gypsum Board
A gypsum board, high-strength technology, applied in the field of building materials, can solve problems such as shedding, loose gypsum board, shape damage, etc., and achieve the effect of increasing strength and consistency, good environmental protection function, and hard texture
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[0009] High-strength gypsum board is composed of the following raw materials by weight: 13 parts of glass slag, 40 parts of old gypsum board powder, 5 parts of paper ash, 4 parts of fly ash, 12 parts of light filler, 5 parts of titanate , 3.7 parts of retarder, 100 parts of water, its concrete preparation steps are as follows:
[0010] 1) The glass slag and old gypsum board powder are mechanically pulverized into powder, stirred evenly according to the formula ratio, then water with a weight ratio of 9% is added, and then raw material balls with a particle size of 4.8mm are formed by a ball forming machine. Dry at 280°C for 5 hours; roast the dried raw material balls at 1400°C for 50 minutes to obtain the main material ceramsite. Mix the main material ceramsite, fly ash and light filler and add the main material ceramsite weight 25 % water, after stirring for 1.5h, enter the aging storehouse for aging, the stirring speed is 700rpm, and the stirring time is 2.5h, then air-dried...
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