On Thu, 04 Sep 2014 08:24:48 -0400, Norminn
wrote:

Also, what some call "stain"
is actually more of a paint product, instead of being absorbed, it forms
a film.


If it peels, it ain't stain.

+1

Concrete stains I've seen applied are liquid dyes. This is a surface
coloring, which does wear off in traffic areas.

Powered dyes can be added to cement when mixing and then poured into
forms. This type is often stamped with large rubber pads to give
design and texture. The color is throughout the concrete.

OP: (have a look)

http://www.diynetwork.com/how-to/how-to-add-acid-stain-to-a-concrete-floor/index.html