No. Cork floats because it is not only lighter than water, it doesn't absorb water. That's why cork is used to seal wine and champagne bottles.
Sedimentary rocks such as sandstone are examples of porous materials.
Cork is so porous, I don't think you can get the glue out. It will at least stain the cork. Can you replace the damaged tile?
Porous means, containing pores ie, small or tiny hole, while non-porous means, without pores or holes.
Porous simply mean a material has pores and allows fluid to pass. There are many thousands of such materials.
cork
Most cell walls are porous to water and other materials but strong enough to support and protect cells.
porous
epoxy resin is the best for bonding different types of materials, especially non-porous materials
cork,thread, and leather (:
Brass Silver Cork Felt
Epoxy is best on these materials.
it is possible to estimate how long specific chemicals will linger on non-porous materials non-porous materials such as painted or bare metal may have residual contamination