Sunburn heat coating formula advantages sunburn hot paint purchase misunderstanding
The sun-heating paint is to resist the summer sun, so the house we live in will not be so hot, the comfort is very obvious, so people like this paint very much, and now there are so many paints on the market. So what are the advantages of the sun-heating paint formula ? What are the misunderstandings of the sun-heating paint? The following is a small series of decoration home network to introduce to you.
First, the advantages of sun drying coating formula
1. More environmentally friendly: using water as solvent, adopting international leading nanotechnology, fully comply with national environmental protection requirements; energy-saving renovation of existing building glass, no need to replace glass, no construction waste. It is a true high-tech ecological product.
2. More economical: the cost of energy-saving renovation is only 40% of the replacement of Low-E glass, and the price is much lower than that of imported glass insulation coating and glass film; for the energy-saving renovation of existing buildings, it can be directly replaced without replacing the glass. construction.
3. More sun protection: It can shield more than 85% of ultraviolet rays, protect human health, prevent indoor furniture, curtains and other fading, protect indoor office equipment and extend its service life.
4. Faster: It can be cured quickly at room temperature without heating and baking. It can be used for film drying in 20 minutes. It can be directly applied to the existing glass in the room. The construction operation is very simple and it is the first in the industry.
Second, the sun is not hot paint purchase error
1. People have a misunderstanding of solar heat reflective coatings. It is believed that solar heat reflective coatings rely on white for heat reflection. The actual test shows that the comprehensive solar heat reflectivity of ordinary white paints is between 75% and 85%. The solar heat reflective coating has a combined solar heat reflectance of ≥95%, and the Zhisheng Weihua ZS-221 sunscreen thermal insulation coating has a combined solar heat reflectance of up to 98%. In the same daylight environment in summer, the surface temperature of the steel plate coated with white paint and the surface of the steel plate coated with ZS-221 sunscreen insulation paint is 5-10 °C. Obviously the white paint ≠the sun heat reflective paint.
2. Oily solar heat reflective coating gloss can achieve more than 80%, producing effects similar to specular reflection; waterborne solar heat reflective coatings are mostly matt, and reflection type is diffuse reflection. The specular reflection cooling effect is more obvious, which is the idea of ​​most people, but is it true? Actually it is not: specular reflection is because the oily solar heat reflective coating has high gloss and high resin content, and the solar thermal emissivity and reflectivity of the resin are Below the functional solar heat reflective filler, the solar heat reflection effect of the whole system is not enhanced by specular reflection, and the specular reflection also causes light pollution; the waterborne solar heat reflective coating is matt, although diffuse reflection exists. Cross-light absorption, but the reason why matt is high in functional reflective filler, the comprehensive reflectivity will not be reduced by diffuse reflection, but also can effectively eliminate light pollution.
3. The weather resistance of the coating is related to the film-forming material. There is no direct correlation between weather resistance, water resistance and oiliness and water content. For example, the oil-based epoxy resin coating has poor weather resistance, while the external wall water-based emulsion paint can guarantee more than ten. Year is not bad. At present, most of the water-based solar heat-reflecting coatings are pure acrylic emulsion, styrene-acrylic emulsion, and silicone-acrylic emulsion. Among them, the silicone-acrylic emulsion is relatively stable and has excellent weather resistance. Zhisheng Weihua ZS-221 sunscreen thermal insulation coating uses modified silicon-acrylic The emulsion, used outdoors for about ten years, does not powder and does not peel off. The price of low-cost competitive products in the market is even lower than the raw material cost of Zhisheng Weihua. It is hard to imagine how such products can guarantee the solar heat reflection function and long-term use period of product design.
Sunburn coating has become a common phenomenon in our lives. It has been recognized by people for its benefits. What are the advantages and disadvantages of the sun-heating coating formula? I think everyone has read the above. The introduction is probably also known, then if you still want to know more about decoration information, please continue to pay attention to the decoration home Internet cafe.
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