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FAQ

What are the applications of building gypsum in architecture?

Gypsum hollow slab production methods and ordinary concrete hollow board similar. Production often add fibrous material or light packing to improve the bending strength of the plate and reduce the weight. This board is used for the partition walls of civilian dwellings.

My family workers say gypsum board wall noise is very good, and now a lot of people use it between the walls, I am very contradictory, how can I do

Recommend a very good for you, I had to buy a new house when it is bought here Fiberglass sound-absorbing ceiling - solid plate This board is often used in some low ceiling of the room, play the role of sound insulation, can replace the plaster board decoration, can block the noise caused by walking upstairs, elegant appearance, set decoration and function In one, serve two purposes Using high-density glass fiber board, the surface composite paste made of decorative felt, the back does not handle, four to do the edge of this plate four sides straight, into a right angle, edge bevel.

How to distinguish between true and false

South fake less. Paper gypsum board on each have a security label, the other general fake watermark * dragon * pattern is not done, there is the production date. Fake to do is also relatively simple. Just a slash. The paper can also be resolved. Dragon card plain paper color soil, not the color of kraft paper so deep. Nor is it white.

Home decoration ceiling with waterproof gypsum board or fire gypsum board is good

Since it is gypsum board is not waterproof fire first understand Only gypsum board silicone plate gypsum board 30-50 silicone plate 80-120 you look at the first

Decorative gypsum board partition with what the best sound insulation cotton? Mineral rock wool and glass wool.

Currently on the market the best sound insulation is said to be gradient sound-absorbing cotton, as well as high barrier sound felt. The price is relatively high, the price range of 55-80 yuan per square meter. The advantage of its products is more environmentally friendly, the first construction will not cause skin itching. There is no exhaust gas. Not powdery. Sound-absorbing effect is reflected in the full-frequency silence, the low-frequency, intermediate frequency, high-frequency sound has a good reduction effect. High-barrier sound-felt body is now its high damping performance, attached to the back of the sheet can effectively inhibit the resonance generated by the sound transmission. Usually more upscale, or more respected official places.

How many gypsum boards can be done in one day

This depends on what your ceiling shape, and if it is flat top will be more, there are modeling by modeling easy to set. Generally flat top 20 ~ 30 square meters it

Paper gypsum board non-stick paper and resurgence is what reason

Face paper and gypsum core bonding bad, resulting in bare core or local non-stick paper problems. This type of problem with the face paper, raw material quality and drying and other production processes. First, the paper's polish degree of Gray is too high, too high or too low water absorption, are likely to cause rapid loss of water, and lead to bad knot; Second, the raw material gypsum grade is too low, impurities or K, Na and other harmful impurities are too high, affecting the bonding of paper and gypsum core. Third, the construction of gypsum coagulation time is too slow, before entering the drying area failed to completely solidification or false coagulation phenomenon, resulting in the construction of gypsum is not fully hydrated, so that the dry sheet after the paper. Fourth, the molding, drying speed can not be adjusted with the face of the paper or slurry fluctuations, resulting in the breathability of protective paper, water absorption and drying speed of the uncoordinated, gypsum slurry coagulation time and molding speed of incongruity , Resulting in paper and gypsum core of non-bonding or sheet burned. Fifth, the slurry is too thin, uneven foam, dry sheet after the large pores or too concentrated and other reasons will cause paper, the core of the poor bond.

Waterproof gypsum board water absorption

Gypsum board behind the wall is also very cool, because the thermal conductivity of brick walls than gypsum board to high, naturally feel cool, like you touch a piece of iron, will feel cooler.