>>> How to choose paint
In order to reduce consumers' troubles in paint construction, the reporter made some small suggestions after consulting the experts:
1. Construction methods: Brush, roller, and spray have their own lengths, and they should be taken individually.
Brush painting is manual brushing and is a commonly used construction method. The advantage of the brush coating method is that it saves paint, the tool is simple, the construction is convenient, it is easy to grasp, the flexibility is strong and the adaptability to the paint variety is also strong, and it can be used for general paints.
However, the disadvantage of the brush coating method is that the manual operation is labor-intensive and inefficient, and it is not suitable for quick-drying paints. If the operation is unskilled and the action is not rapid, the paint film will produce brush marks, sag, and uneven brushing defects. .
Roller coating is suitable for large-scale construction, and the efficiency is higher than that of brush coating, but there will be a fish-like skin effect. This method of construction is unpopular for those who do not like pockmarks. Moreover, roller coating costs nearly 20% more material than brushing, artificially increasing the cost.
Spraying is divided into two types, one is air spraying and the other is high pressure airless spraying. Aerated spray leaves a lot of air bubbles on the wall. Although the construction speed is fast, the effect will be poor. It is not recommended for indoor use. High-pressure airless spraying has just begun to become popular in China in recent years, but in foreign countries, high-pressure airless spraying of interior and exterior latex paints has long been widely used. The specific construction method is to use a special high-pressure airless sprayer to deliver the high-pressure paint through the high-pressure hose to the spray gun and release the pressure through the spray gun to form the atomization, thereby forming a smooth and dense coating on the wall surface.
2. Identify the construction quality Tips The simplest and most practical method is to take the flashlight along the wall. Under a strong flat light, any cracks or bumps are visible at a glance.
3. Buying: Do not blindly pursue the performance of many products to buy a brand with a certain reputation, in order to prevent some illegal construction units, "the civet cat for the Prince", consumers are best able to ask the construction master to buy. At present, there are many types of coatings in the paint market. There are also many kinds of merchants' various performance concepts. Consumers must pay attention to their actual construction conditions to choose, and they should not blindly pursue products with high performance.
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