Acid Detecting Paint

KDV Acid Detecting Paint

Acid and alkaline chemical spills can have catastrophic consequences for personnel, plant equipment and the environment. KDV offers a range of pH reactive paints and sprays that instantly indicate the presence of dangerous leaks and spills. Turns brilliant red when exposed to pH3 and below

Easy to apply

On Guard™ is easily applied by roller, brush, air & airless spray gun and can be used on existing painted surfaces.

  • Instantly Identify Acid/Alkaline leaks
  • Reduce Hazards
  • Enhance OH&S Programs
  • Protect Staff & Equipment
  • Minimise Risk


  • Valves
  • Flanges
  • Pipes and tanks
  • Weld sites
  • Sample Ports
  • Secondary containment facilities
  • Lab surfaces
  • Weep holes
  • Wherever leaks and spills can occur

Normally operating valve

KDV painted valve 1

Acid leak immediately turns paint brilliant red

KDV painted valve 2

KDV dn50 weir type acid paint

KDV dn50 weir type base paint