What is the difference between seam caulking and beauty

In the home to decorate ceramic tile, the teacher asked me do caulking or do after beautiful sewing. I don't know what's the difference. I didn't want to. Master explained that if you want to do caulking, ceramic tile aperture size paste should be in accordance with the default. If you want to do a beautiful seam, clearance should be bigger than usual. With buttons, which makes the gap more neat and beautiful. So our home is beautiful sewing or caulking? The master is not good advice. He can only analyze the pros and cons of it to us. First of all to be clear, beautiful sealing and sealing the biggest difference lies in the influence on crack, and the effect of product difference. one Different joint sealant material composition is mainly white cement and paint, chemical composition. As long as the powder mixed with water, can directly fill gaps; While joint sealant is composed of epoxy resin, curing agent and senior pigment, and will add some chemicals, this is a kind of colloid products, is a bit complicated to use. two Finished product effect of the different effect of sealant is very common. On the surface of white powder, easy to change color and black, rough and easy to remove powder, many sharp items may scratch slot. After curing sealant surface smooth, delicate and colorful color, strong adhesion, product is hard, can keep the primary colors. 3. The effects of different joint sealant curing directly in the gap, but not always adhere to the gap on both sides. Can say it is not sticky, easy to fall off. After long time use, it will become a black and yellow. It can absorb all kinds of stains and water stains, it is difficult to clean. But seaming agent adhesion to a certain extent, and the surface is not easy to touch ash, so easy to wipe away the stain, use very convenient. Four. The different influence to the ceramic tile joint sealant is very hard, no toughness. Under the action of gravity and high temperature is easy to break and fall off. And some gap is not large enough to affect the change of the heat bilges cold shrink, ceramic tile in ceramic tile is bulging. However, this kind of joint sealant is tough, not high temperature resistant, will not affect the development of ceramic tile. It has strong adhesion, can protect the use of ceramic tile, can also prevent bulging.