Waterproof and breathable membrane production process

During construction, as long as there is a certain temperature, the non-woven fabric will open and layer. Which construction company can guarantee that the roof will be covered as soon as the waterproof and breathable membrane is laid? Therefore, this kind of waterproof and breathable membrane can only be a fake and inferior product of real waterproof and breathable membrane, and there is no market in European and American countries. The domestic market is a mixed bag. In fact, few manufacturers produce real waterproof and breathable membranes. Many factories or sellers say that their waterproof and breathable membranes are good. Almost most users have never thought that the waterproof and breathable membranes provided by some manufacturers are not waterproof at all.

For example, one of our domestic counterparts deceived consumers to say that it was an international company using the technology and research and development results of a well-known international company. In fact, the waterproof and breathable membrane they produced was only about 750px in hydrostatic pressure, but the user did not know how to detect it. I only know that water is poured on the waterproof and breathable membrane. This membrane does not leak. In fact, where does the user know that water is under pressure and will penetrate, the only way is to sample each batch of waterproof and breathable membranes for inspection, so as to prevent counterfeiting Hiding. In fact, the real waterproof and breathable membrane should be highly breathable, high temperature resistant, anti-aging, and the hydrostatic pressure should reach more than 2 meters. The production process should be pure thermal composite technology, without glue, so it can reach a temperature of more than 110 degrees, high-strength anti-aging, this is a domestic product that can truly meet EU standards and is the latest domestic technology.