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White cement is white Portland cement.
A mixture of clinker and gypsum is made by grinding finely. Generally, it is used in decoration, because the strength is not high, so it is generally not used on the wall, but in the gap of white porcelain tiles.
And putty powder. It is specially used for wall repair and leveling, and is divided into two kinds of interior wall putty powder and exterior wall putty powder according to the use of **. Exterior wall putty powder is used in exterior walls, so the gelatinity and strength are better than interior wall putty powder, but it is not as healthy and environmentally friendly as interior wall putty powder.
The scraping and coating properties of putty powder are better, and the adhesive strength is relatively high, and there will be no peeling. The key crack resistance is better than that of white cement, and there will be no cracks like white cement, and at the same time it has a waterproof effect.
In contrast, the strength and viscosity of white cement are not high enough, and can only be used to do some leveling.
The difference between white cement and putty powder is **
1. Different uses.
Putty powder is a material used for decoration and whitewashing, which is a thick slurry coating, which is divided into bottom ash and face ash, and is a paint spray or wallpaper wall covering.
It is an indispensable product before making art paints, which is generally used as a primer.
White cement is a type of cement, and when grinding cement, limestone is added that does not exceed 5% of the weight of the cement.
2. The main ingredients of the product are different.
White cement is mainly made of calcium carbonate.
and other minerals, calcium carbonate belongs to the basic salt.
In case of acid, it will neutralize the reaction, and over time it will be weathered, white cement, it is very hard after it is dried, and it will crack after the hardness reaches a certain level, which is the reason why many walls crack.
Putty itself also contains a small amount of white cement, however, it not only contains white cement, it also contains calcium carbonate and calcium hydroxide.
Gypsum powder, quartz sand.
etc., now high-rise buildings.
Most of them must use putty, because it is almost the same as the cost of white cement + chemical glue, but the quality is very different. From alkali resistance to crack resistance to pulverization resistance, etc., it is obviously better than white cement.
3. The construction effect is different.
White cement is mostly decorative, mainly used for groove joints, (that is, between the tiles and tiles in the kitchen and bathroom, to make them look more beautiful), and is generally not used for walls, because the strength is not high.
Putty powder is a kind of surface leveling powder material that pretreats the construction surface before paint construction, the main purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface, so as to lay a good foundation for obtaining a uniform and smooth paint surface.
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The batch of interior wall putty powder is good, because the hardness of white cement is relatively high, and it contains more harmful substances. The softness and hardness of putty powder are moderate, which is suitable for decoration and is conducive to improving the quality of the wall.
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I think it's better to use putty powder. Because putty powder is better waterproof than white cement, and it will last longer.
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The interior walls are now made of putty powder, which is smooth and good-looking. White cement is used for decoration, not for walls, because the strength is not high. Putty powder is preferred.
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1. White cement is mainly composed of calcium carbonate and other minerals, calcium carbonate is an alkaline salt, which will neutralize when exposed to acid, and will be weathered over time.
2. Putty itself also contains the components of white cement, however, it not only contains white cement, it also contains polymers such as acrylic acid cream, and most of the high-rise buildings must use putty now, because it is almost the same as the cost of white cement glue, but the quality is very different. From alkali resistance to crack resistance to acidification resistance, etc., it is significantly better than white cement.
3. Putty powder has good scraping and coating, adjustable construction time, large viscosity, high bonding strength, no peeling, the main thing is anti-cracking, there will be no cracks and other phenomena after construction, and it can have waterproof effect at the same time, and white cement does not have the effect of putty in all aspects.
4. Putty powder is used for decoration and painting walls, and the main ingredient is talcum powder. The putty has no hardness after drying, and it will become moldy when wet. White cement is a main component of cement is calcium silicon, which has a certain hardness, and was originally used for tile joints.
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In terms of toughness, white cement is firmer, but it can be used appropriately, and white cement is not suitable for large areas and places with large thickness
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These two uses are different, and the putty powder should be stronger.
The main use of putty powder is wall surface leveling and repair, according to the different construction environment, it is mainly divided into two kinds, one is outdoor putty, which needs to face a harsh environment, so the strength is higher, the adhesion capacity is stronger, and the environmental protection is slightly worse, and the other is indoor putty, which has relatively stable performance.
White cement, white Portland cement is referred to as white cement, which is mostly used for decoration, and its manufacturing process is much better than that of ordinary cement. It is mainly used for the gap of white porcelain tiles, and is generally not used for walls, because the strength is not high.
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It is better to use putty powder, because this effect will be better, and the surface of the interior wall will be very smooth.
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Personally, I think it's better to use putty powder, because it is easier to polish and align, and it is also easier to attach to latex paint, so that there will be no unevenness in the wall, which is helpful for brushing latex paint.
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Putty powder is an indispensable substrate in home decoration, which paves the way for latex paint decoration in the later stage. I think it's better to use putty powder.
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Generally speaking, putty powder is better, because the strength of white cement is not good, and it is easy to crack when used on the wall.
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Is it better to use white cement or putty powder for exterior wall plastering? I think there is a difference in this question, plastering is a process of painting the exterior wall with cement mortar, while using white cement or putty powder is a decoration process for the wall after the exterior wall is painted.
Exterior wall plasteringWe can also say that exterior wall plastering is to use cement mortar on the exterior wall blank to strengthen and level the wall, usually with silicate 325 cement and a certain proportion of coarse sand, stirred into mud with water to paint the wall.
White cement is high-grade cement, which is generally used for decorative materials, and white cement is rigid, and it is easy to crack when used alone, so it cannot be used as a material for wall plastering.
The purpose of exterior wall decoration is that many people have completed the exterior wall painting, and in order to enhance the overall effect of the exterior wall, they will be decorated on the exterior wall painting layer. Exterior wall decoration is commonly used for exterior wall scraping and exterior wall paint treatment, the purpose of these two exterior wall treatments is to protect the wall, enhance the sensory effect and enhance the waterproofing function of the exterior wall.
Whether the exterior wall decoration is made of white cement or putty powder.
As mentioned above, white cement is high-grade cement, with strong rigidity and high viscosity, and it will be easy to crack when used alone, and it is not easy to scrape. However, if white cement is used as an exterior wall decoration material, the cost is high, and there will be problems if the ratio is not appropriate, so it is not recommended to use white cement to decorate the exterior wall.
Now the exterior wall putty powder formula is very mature, not only smooth scraping, easy to operate, its firmness is not inferior to white cement, the most convenient is easier to polish than white cement, which is conducive to the pasting of subsequent decorative materials.
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Powder walls are generally made of putty powder, because the strength of white cement is not high, and it is not used for walls. Putty is used for wall repair and leveling of a kind of substrate, for the next step of decoration (brush paint and wallpaper) to lay a good foundation, putty is divided into two kinds of interior wall and exterior wall, exterior wall putty to resist wind and sun so the gelatiny is large, high strength, environmental protection index is slightly lower.
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I think it's better to use white cement for exterior plastering, because it's more beautiful and can be preserved longer.
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Exterior wall plastering is not simply what to use, what you should consider is whether it can withstand the wind, rain and sun. When you know this question, the answer comes out, use: "white cement".
If the putty powder is dried in the sun, it is easy to peel and fall off when it touches water. And white cement is used more than putty powder.
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I think it's okay to use white cement, and the production process of white cement is much better than putty. And it's also cheaper than putty.
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Can you use white cement to make up the wall?
White cement is not recommended. White cement is the abbreviation of white Portland cement, which is made of white hydraulic cementitious material made of calcium silicate as the main ingredient and an appropriate amount of gypsum with less iron content added to the clinker with the appropriate composition until partially melted. When grinding cement, it is allowed to add limestone that does not exceed 5% of the weight of cement.
White cement is mostly used for decoration, and its manufacturing process is much better than that of ordinary cement. It is mainly used to hook the gaps of white porcelain tiles, and is generally not used on the wall, because the strength is not high. It is available at the building materials market or at the decoration material store.
Can a damp wall be white-cemented?
If the wall is slightly damp, it is possible to batch white cement, and after the white cement solidifies, it is enough to ventilate more. If the wall is damp, it is recommended to ventilate and wait for the wall to dry before batch white cement. Otherwise, the white cement has been solidified but the wall is still damp.
In severe cases, the white cement may fall off.
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The use is different, the composition is different, the use effect is different, putty powder is used for leveling, and white cement is used for hooking.
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When decorating, there is a big difference between white cement and putty powder, putty powder is used to keep the wall flat when painting the wall.
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When decorating, the powder of white cement will be more delicate, and the putty powder is rougher, and the putty powder is mainly used for leveling. **Also relatively cheaper.
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