AcidShield™ is a custom engineered composite repair system with superior chemical compatibility. AcidShield™ is designed for repairing corroded and damaged  piping, this ASME PCC-2 4.1,4.2 compliant system uses chemically resistant, bi-directional fabric in conjunction with a proprietary epoxy system to deliver repairs suitable for piping with harsh chemical services, including 98% sulfuric acid at temperatures up to 150°F (66°C).

AcidShield™ is a breakthrough with regard to its compatibility with H2SO4 at 98% concentration as it is the first composite repair system fully tested and proven to be resistant at such a level.


  • 98% sulfuric acid lines up to 150°F (66°C)
  • Chemical processing lines
  • Flare lines
  • Blowdown lines
  • Harsh chemicals like sulfuric acid, phosphoric acid, ammonium hydroxide, sodium hydroxide and acetic acid up to 50%


  • AcidShield™ eliminates unplanned down time for high-consequence piping
  • Extends the life of aging and corroding assets
  • No pipe cutting or welding
  • Prevents future corrosion
  • Qualified and compatible with 98% sulfuric acid up to 150°F (66°C)

Compliant with

  • AB-539
  • ASME PCC-2
  • ASME B31
  • ISO 24817
  • DOT
  • API
  • CSA Z662