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Roofing waterproof breathable membrane

Roofing waterproof breathable membrane

When the water condition, the water very tiny particles, according to the principle of capillary movement, can successfully penetrate into the capillary to the other side, which occurred in vapor phenomenon. As the vapor condensed into droplets, particles become larger, because the water surface tension, water molecules can not smooth out of water penetration into the other side, it is to prevent water penetration occurs, the permeable membrane with waterproof function.

The working principle of waterproof breathable membrane:

When the water condition, the water very tiny particles, according to the principle of capillary movement, can successfully penetrate into the capillary to the other side, which occurred in vapor phenomenon. As the vapor condensed into droplets, particles become larger, because the water surface tension (between water molecules "pull each other contend"), water molecules can not smooth out of water penetration into the other side, it is to prevent water penetration occurs, the permeable membrane with waterproof function.

Technology of waterproof breathable membrane: 1, advanced production technology: waterproof breathable membrane using thermal composite advanced production technology, the process is a national initiative, no glue solvent free composite, the international advanced. Anti aging performance of 2, excellent: waterproof breathable membrane in the process of construction, dual test will withstand strong ultraviolet radiation and high temperature, even in the laying is completed, will be in contact with the exchange of cold and hot air is long-term, so a good anti-aging properties are necessary conditions and quality assurance. Breathable waterproof membrane, have been detected through the national building materials testing center, the products after 500 hours to strong ultraviolet radiation, 2160 hours 100 degrees high temperature test, to ensure the durability and service life of the waterproof breathable membrane.

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