1, white cement is mainly composed of calcium carbonate and other minerals, calcium carbonate is a basic salt, the case of acid will come from and reflect, over time and weathering out, white cement, it itself to be dry after the very hard, hardness to a certain extent after itself It will crack, this is the reason why many walls crack.

2, putty: it itself also contains the composition of white cement, but it not only contains white cement, it also contains acrylic milk fat and other polymers, and now most of the high-rise buildings must be putty, because it is relative to white cement + The cost of plastic is almost the same quality but there is a world of difference. From anti-alkali to anti-acid and then anti-acidification, and so are clearly excellent and white cement!

3, now traditionally used are white cement and glue, but white cement for a long time will weather off, so now putty has been more commonly used.