There is a popular saying in the industry: "seven points of putty and three points of paint, good paint still needs good putty". Many people choose latex paint for a long time, but ignore the most important putty powder. Putty powder is used before latex paint. Generally, the wall should be pretreated, such as filling the gap of the wall, repairing and leveling. After use, the wall will become flat and smooth, just like the "foundation", but also play a protective role; If the process of putty powder is not handled well, resulting in uneven and rough walls, the best latex paint can not achieve the expected effect.

1. Composition and function of putty powder

Putty powder is the material for wall leveling, which is mainly composed of cement, organic rubber powder, lime calcium powder, water retaining agent, fiber, etc. Cement and organic rubber powder are the most critical parts of putty, which play a role of bonding; Gray calcium plays the role of filling; Water retaining agent plays the role of water retention, improving storage and construction performance; The fiber plays a role in cracking resistance.

HuiGao children's safety putty powder

2. how to choose putty powder

Many owners do not know that the home decoration ring is not environmentally friendly, and a large part of it comes from the product of putty powder. Because the amount of putty powder is very large, putty powder will be used on all the top surfaces of all walls as long as there is no tiling. If the putty powder is not selected properly, it will have a great impact on the later occupancy, so those who are ready to decorate must do their homework. Here is a dry product of putty powder to share with you.

The main points are as follows:

First: whether it meets the national environmental protection standards of jg/t298 and gb18582-2020

The flexibility test in jg/t 298-2010 standard of building indoor putty is one of the important links to evaluate the performance of indoor putty products. The test aims to verify whether the putty can withstand the slight deformation of the building structure in the indoor wall environment after the construction is completed, so as to avoid problems such as cracks and falling off, so as to ensure the decoration quality and service life of the indoor wall.

Putty for indoor use jg/t 298-2010

Gb18582-2020 is a mandatory national standard on the limit of harmful substances in building wall coatings. It is applicable to all kinds of building wall coatings, including interior wall coatings, exterior wall coatings and new decorative panel coatings. This standard sets stricter requirements for harmful substances in coatings to protect human health and environmental safety.

Harmful substances in building wall coatings 18582

Second: whether there are ten rings, French a+, German ec1plus and Finnish M1 environmental protection certification. It would be better if there were children's safety certification

HuiGao eight environmental protection authority certification