I always ask, why do I have a base film for varnish? Why is the base film better than varnish? Here is a systematic comparison to answer questions.
First of all, from the environmental point of view, the chemical composition of varnish contains nitro, alcohol and other substances, they are volatile, so will irritate the odor in 1 to 6 months, if you buy some poor quality Varnish can also cause great harm to the human body; at the same time, varnish construction materials need to use Tianna water and turpent water, and also have volatility. The base film of the wallpaper is different. Since the base film of the wallpaper itself is water-based, there is no irritating odor, and no other auxiliary materials are needed, as long as the water is clean;
Secondly, from the construction point of view, since the base film only needs to be used with water, it is more convenient than varnish, and the varnish drying time generally takes 3 to 36 hours, and the base film only takes one hour to save construction time;
Again, from the point of view of protecting the wallpaper, the varnish is not only corrosive in itself, it can not effectively isolate the corrosion of the wallpaper by the alkaline wall, which will greatly shorten the life of the wallpaper. For some expensive wallpapers, it is simply abuse. . The base film of the wallpaper can form a dense protective film on the wall surface, which can effectively block the damage of water and alkaline substances on the wallpaper, prevent the wallpaper from yellowing and prolong the life of the wallpaper;
In addition, from the cost point of view, each 100 square meters of wall requires 8 liters of varnish plus 8 liters of Tianna water or turpent water, the cost is about 90 to 140 yuan, with a base film, only 5 liters of base The membrane and some water, cost about 70 to 115 yuan.
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