What should I do if the edge of the kitchen counter basin is blackish yellow?
2021-08-31
I believe that many friends at home have encountered this situation. Not long after the new house is decorated, the countertops, sinks and other places of the cabinets will appear black and yellow, which will affect the appearance.
This is caused by the dampness of the glass glue! However, when the neutral transparent glue turns yellow, you are at a loss! why! Because the neutral transparent glue does not touch the water stains, it has always been kept dry. I don’t know what caused it, and it turned yellow! Neutral transparent glass glue is different from general glass glue. The main reason for its yellowing is due to certain defects in the glass glue glue itself. This yellowing phenomenon is caused by the cross-linking agent and tackifier in the neutral rubber. The reason is that these two raw materials have "amine groups". In nature, the amine groups are very easy to react with the air, so the amine groups are very It is easy to turn yellow (even if it is imported, it is determined by the nature of the amino group, and there is no necessary connection with imported or not); in addition, if the neutral transparent glue is mixed with acid glass glue, it will also cause The transparent glue turns yellow; the last point is that the transparent glue has been used for a long time. For a long time, the matrix in the glass glue will react with the substrate, which will also cause the transparent glass glue to turn yellow
How do we deal with the yellowed edge?
It is recommended to use beauty sealant where glass glue is used. The strength of the beauty joint agent is higher than that of the glass glue, the service life is longer than that of the glass glue, and the aesthetics is higher. When buying beauty seams, everyone also buys big-name products. Because of the high quality, money in these places must not be saved.
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