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Fireproof grade paper surface gypsum board

Jun. 10, 2020

Paper gypsum board is a board that uses construction gypsum as a main raw material, mixes an appropriate amount of additives and fibers as a board core, and uses special paperboard as a protective surface. Paper plasterboard is characterized by its light weight, sound insulation, heat insulation, strong processing performance, and simple construction method.

The fire resistance of conventional paper gypsum board is B1.

1. Paper gypsum board is mainly made of construction gypsum, mixed with an appropriate amount of additives and fibers to make a board core, and uses a special paperboard as a protective surface.

2. Paper plasterboard is characterized by light weight, sound insulation, heat insulation, strong processing performance, and simple construction method.

3. Paper gypsum board is a lightweight construction sheet made mainly from natural gypsum and surface protective paper, with the proper amount of fiber, starch, accelerator, foaming agent and water mixed.

4. Gypsum board is composed of paper plaster board, light steel keel, and various auxiliary materials. The type and quality of gypsum board used, the number of layers of gypsum board, the quality of the keel, the mounting method, the bulk density of rockwool and rockwool, how the joints are treated, and the treatment of other subtle parts of the joints are affected. Fire protection of the system.

5. Regarding the fire resistance requirements of walls and other components in national fire regulations, it is not possible to simply say whether gypsum board can reach certain fire resistance limits, but it is a systematic concept. The national standard GB "Paper Gypsum Board" clearly stipulates that the fire resistance of a fire-resistant gypsum board should exceed 20 minutes.

6. Fire resistance The principle of fire resistance of gypsum board is mainly in the plate core. Conventional gypsum board also has some fire resistance. Fire protection failure is due to the shrinking volume and loss of integrity of the gypsum board after removing the water of crystallization. This will be a powder. In order to improve its fire resistance, some additives need to be added.


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