High Performance Lining

General Description

DUROMAR HPL-4320 is a high functionality, 100% solids novolac material, designed for concentrated sulfuric acid and other inorganic acid service. It can be applied by hand, but it is most efficiently applied over large areas by plural component airless. Requires elevated temperature cure.

Chemical Description

Multi-functional epoxy with a uniquely modified cycloaliphatic amine hardener.


Components: 2
Solids by Weight: 100%
Mix Ratio by Weight: 2.5:1 (B/A)
Mix Ratio by Volume: 2:1 (B/A)
Working Time: 20 minutes @ 70°F
Recoat Time (min/max): 3-24 hours @ 70°F
Functional Cure: 48 hours @ 70°F
Full Cure: 168 hours @ 70°F

Application Equipment

  • Brush/Roller
  • Plural Component Sprayer