A fast drying, water-reducible alkyd--AQUACRONâ„¢ 835 Performance Primer is formulated with rust inhibitive properties that deliver excellent corrosion protection. With strong exterior durability, Aquacron 835 delivers long lasting first layer protection utilized across a wide range of applications, including metal fabrication, structural steel supports and beams, industrial machinery, racking, shelving and utility trailers. office furniture to heavy duty equipment.