Why don't star hotels make beautiful seams?

The sewing agent will also contain formaldehyde.

The formaldehyde content of sewing agents of big brands is within the standard range, but the formaldehyde content of some brands will be slightly higher. You should also know the brand when you buy it. It is best to choose a big brand of sewing agent, which has relatively stable performance and long service life. Still use a lot of caulking agent, which can play a better waterproof role and the construction is very convenient. Now you can directly stick masking paper on both sides of the tile to protect the tile, and it is more convenient to clean it up later. There are many colors of caulking agent, and it is best to choose according to the color of ceramic tile.