The message YJnIj.20191$_v3.1677@edtnps90
from "schooner" contains these words:

I painted a birch plywood desk work surface with latex CIL SMART3 WASH &
WEAR Kitchen & Bath paint http://www.cil.ca/en/brands_smart.html (at the
suggestion of the HD paint guy) as he said it would give a durable washable
finish. The surface was first lightly sanded and primed with Kilz2
and then
two coats of black latex.

Any other suggestions?

Since it is a major brand, sugest you contact their Technical Service
Department at the phone number given at the bottom of the web page
(1-800-DURABLE (387-2253)) - they hopefully should be able to assist you
to overcome the problem.

Phoned UK part of the company some years ago about a colour matching
issue and had good response and advice from them which sorted my
problem.

Regards,

Bryan