Use the principle of material complex, carboxylic styrene-butadiene rubber latex added to the ordinary mortar forms PMM which takes the place of the conventional mortar as the surface coated.

• 在改善砂浆抗裂性、提高柔韧性和协调变形能力方面，进行了不同聚合物掺量的强度试验、弹性模量试验；