There was a little hole in this ceramic sink:
and I filled it with this "GEB Enamel Repair Paste". It works very well by mixing the resin and the hardener.
After 24 hours, I finished the work with sandpaper (with smaller and smaller grain).
The result is very good when you touch it (you cannot really feel the difference), the picture here is after the repair.
The only problem is the color: the sink is white, but not so pure white than the resin.
I know it's probably not worth it because the sink could be replaced for cheap (and it's old anyway), but I take it as a challenge to learn new techniques: would there be techniques to have a perfect repair in terms of color?
Are there some enamel paint that I could buy, with different shades of white?
I know it's possible: I saw a Youtube video in which a dental technician used many ceramic paints to match perfect color with dental prosthesis.