In article ,
G Henslee wrote:

Actually some stone sealers have tung oil in them. Not so popular in
the US, however other countries such as China have used tung oil for
century's for both wood and stone. As for vegetable oil, it can become
rancid.

Tung oil is used to 'finish' some stone products. That 'seals' it as
well.
When sealing a granite countertop, however, the idea is not to introduce
a 'finish', strictly a barrier for liquids etc. The stuff they use is
from the same family as grout sealers. You wouldn't use tung oil for
that job. Silicone/teflon based highly capillary sealants are used.

I vividly recall a recent event when a Cambria Black granite countertop
was installed and the plumber put a wad of putty on the counter. When he
removed the putty, it had left a grease stain in the granite which could
NOT be removed. The stain was still there 3 weeks after when the
insurance company showed up. That was a 'sealed' countertop.

The thing that gets me is why is it so difficult to seal a granite top?
The stuff flows on and looks like water, get it all wet, and wipe
dry...done..what's the big deal? Once every couple of years will do.

The big 'seal is done forever' argument has been created by the granite
boys to counter (pun not intended) the solid surface guys who know their
products like Staron, Corian etc won't need sealing.
When it comes to stain resistance... nothing beats an acrylic solid
surface counter...well...there's stainless steel if you can live with
the noise, dents and scratches....

0¿0
˜

Rob

www.topworks.ca