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How can I put back cracked earthenware (coffee cup) in a way that would not be damaging to continued culinary use? I doubt that superglue is healthful or tastes good. I need at least one out of two. Any suggestions?
You gave me a reason to be optimistic again! Do you know commercial trademarks? Or who produces them? I will look them up if you can tell me who makes them.Danger said:Here, at least, you can buy porcelain repair in a bottle. There are 2 different kinds, as far as I know. One is for just the sort of thing that you're dealing with, and the other is for touching up bathtub or appliance surface chips. I don't know if the glue type works well on rougher types of pottery, but it's great for teacup handles and the like.
Do you think Araldite is a good epoxy for this? Or should I look for hard waterproof epoxies, like Titan? (See the surfboard picture on https://www.physicsforums.com/newreply.php?do=newreply&p=872683 , it's pretty amazing.)moose said:I would put in the best possible epoxy I could find. Rebaking it wouldn't do anything because the new clay wouldn't bond as well to the hardened clay.
Any natural sort of clay that has been fired is a sort of ceramic. Earthenware is a particular type of ceramic.EnumaElish said:It's fully baked and glazed, fine earthenware -- not ceramic -- at least I don't think it is ceramic.
I have just realized that I meant "It's not china" when I wrote "It's not ceramic." (China Ware is advertised to be good for ceramics in general, so I am hopeful that it willl work. Thanks, Danger.)TheStatutoryApe said:Any natural sort of clay that has been fired is a sort of ceramic. Earthenware is a particular type of ceramic.
Earthenware can crack due to a variety of factors, including temperature changes, physical impact, and improper handling or storage.
Yes, cracked earthenware can be fixed using several methods such as gluing the pieces back together, filling in the crack with epoxy or clay, or using a kintsugi technique where the crack is highlighted with gold or silver.
The materials needed to fix cracked earthenware depend on the method chosen, but some common materials include glue, epoxy, clay, and gold or silver powder. It is important to use materials specifically designed for repairing ceramics.
It is generally not recommended to use repaired earthenware for food or drink, as there is a risk of the repair coming undone or the materials used being toxic. It is best to use the repaired piece for decorative purposes only.
To prevent earthenware from cracking, it is important to handle and store it carefully, avoiding extreme temperature changes and physical impact. It is also recommended to use earthenware for decorative purposes only, rather than for everyday use.