Ceramic sinks were built to be durable. However,such a sink may crack due to a heavy object falling into it, or by scolding hot water that causes it to expand. No matter the reason for the damage, you can easily repair the cracks with an epoxy adhesive in no time at all. Gather your materials and get to work.
Naturally Repair Wood With Vinegar and Canola Oil. ~ Use 3/4 cup of oil, add 1/4 cup vinegar. white or apple cider vinegar, mix it in a jar, then rub it into the wood. You don’t need to wipe it off; the wood just soaks it in.