This new formula meets ICC-ES AC58 requirements for anchoring of threaded rod and rebar dowels in concrete and masonry. Caltrans approved and is approved by UL for drinking water contact (ANSI/NSF 61). Available in two cartridge sizes and bulk. 1:1 ratio offers ease of use in bulk machines. Standard working time, 15 minutes @ 75°F (24°F). 24 month shelf life. Click here for more info http://atcepoxy.com/ultrabond-ca-dot/