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Water resistance: As a waterproof emulsion, water resistance is the most basic and most important. Generally, emulsions with good water resistance can keep the paint film transparent and not easy to soften even after being soaked in water for a long time. According to the normal physical appearance analysis, the water resistance of the blue light emulsion is better than that of the milky white or red light emulsion. Generally, the smaller the particle size, the better the water resistance, and the size of the particle size can be judged by the appearance. : The order of particle size: transparent > blue light > green light > red light > milky white. l Elongation: The higher the elongation, the better the low-temperature flexibility, and the larger the liquid-to-powder ratio. Therefore, the higher the elongation of the emulsion will have a better comprehensive cost-effectiveness.

Adhesion: A good waterproof emulsion must have a very good adhesion effect with the cement base. Generally, the most traditional but most effective method is to get the emulsion on your hands, and then let it dry naturally. On the one hand, the drawing effect of the emulsion is checked. If it is difficult to rub off on your hands, it proves that the adhesion of the emulsion is better. Another way is to mix the emulsion with cement, and then make it on the surface of the tile. , which proves that the adhesion of the emulsion is relatively poor. If a good emulsion is mixed with cement and dried, it is not easy to be shoveled down. 

Environmental protection: Polymer waterproof emulsions are all manufactured by polymerization process, so the advanced equipment and formula stability directly affect the synthesis efficiency. For emulsions with low synthesis efficiency, the free monomer content will naturally be high, and the free monomer content will naturally be high. It is toxic. The higher the level, the more harmful it is to the human body. Generally, the content of free monomers can be judged by the smell. On the other hand, it is easy to produce ammonia gas after the polymer waterproof and cement are mixed, although the ammonia gas is not very harmful to the human body. However, if the construction is carried out in a closed bathroom, basement and other environments, due to the unsmooth air, it is easy to cause the concentration of ammonia gas per unit area to be too high. Working in such an environment for a long time can easily lead to burns of the nasal mucosa.

Weather resistance: The weather resistance of polymer waterproofing is better than that of polyurethane and styrene-butadiene rubber. The weather resistance of acrylic emulsion is good, but the price is much higher than that of styrene-acrylic emulsion. The difference between styrene-acrylic polymer emulsion and acrylic acid is the difference in yellowing resistance, but in waterproof materials, styrene-acrylic polymer is generally used Emulsion, reasonable price, good weather resistance.