Interlux's Interior Primer Curing Agent 860 is the converter for Interlux's Interior Primer 860, which is a fast-drying interior primer for all substrates. Interior Primer 860 combines fast walk on times and extended overcoatingintervals with excellent anti-corrosive properties to give a long-lasting coating that protects the interior of the yacht. Note: This is the curing agent only and is used in conjunction with Interior Primer 860.