Why do household decorate ceramic tile aperture turn black?

Dear guy, this is you want to ask: why use traditional caulking agent complete ceramic tile aperture, at first is white, time is long will become black?

the traditional gap filling agent, its composition is made from a mix of cement + + pigments such as sand. From the point of appearance, the traditional caulking agent is a compact as a whole, but if we use a magnifying glass observation will find traditional caulking agent within many small holes through them. So, this is the reason why caulking agent water absorption.

when clean at ordinary times, we use the mop touched water sweep the floor, so in the infiltration aperture with dirty water and so on is inevitable; Cook in the kitchen, the dirty material such as vegetable, fruit juice and also infiltrated ceramic tile aperture from time to time. Because the traditional caulking agent bibulous rate is higher, so the time is long will appear the phenomenon of color change from white to black. Ceramic tile aperture once dark, influence of ceramic tile not only beautiful, and under the condition of the temperature and humidity appropriate will grow bacteria, and then send out bad smell.

in order to solve the problem of ceramic tile aperture black, moldy, appeared on the market a lot of cleaning products, but the effect is not very good, only can clean the surface of ceramic tile aperture, can't wipe out the dirty black. And the emergence of ceramic filled seam an agent, not only completely solve the problem of the black ceramic tile aperture, and the rich color of ceramic caulking agents also improved the ceramic tile and beautiful degree of the whole room.