On our drinking water treatment project in Sudan, we’ve been using vegetable oil to release the concrete water filters from the steel molds. It is readily available and compatible with drinking water (see link).
Bruce Taylor, P.Eng
Phone: (519) 578-5100
Fax: (519) 669-5002
email@example.com [mailto:firstname.lastname@example.org] On Behalf Of Kennedy, Judith (ECY)
We are looking for a less toxic substitute for the diesel commonly used as a release agent for concrete forms. Does anyone know of a possible substitute that won't be prohibitively expensive?