CRACKBOND® LR-321, LR-321G & LR-321LPL

LR-321 Formulas Offer Versatility for Various Crack Injection Applications

LR-321 family of epoxies offer versatility for various crack injection applications. LR-321 & LR-321LPL are low viscosity formulas with LR-321LPL offering a longer pot life for larger repairs. LR-321G is a thixotropic formula for blind side injection.

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  • Various formulas available to cover a wide range of applications
  • Moisture tolerant
  • Cures with virtually no shrinkage and bonds to most surfaces
  • Can be used as an epoxy primer/sealer
  • Wets out aggregate for mortar applications

CRACKBOND® LR-321

  • Low viscosity – 500 cP
  • ASTM C881 Type I, II, IV & V Grade 1, Class C; AASHTO M235

CRACKBOND® LR-321G

  • Thixotropic medium viscosity – 4500 cP

CRACKBOND® LR-321LPL

  • Packaged in bulk for larger repairs
  • Low viscosity – 525 cP
  • Long pot life for coating applications or filling reservoir ports
  • ASTM C881 Type I, II, IV & V Grade 1, Class C; AASHTO M235

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