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Low-Modulus, Low-Viscosity, Epoxy Resin Binder

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Sikadur 21, Lo-Mod LV, is a 2-component, 100% solids, moisture-tolerant, epoxy resin binder. It conforms to the current ASTM C-881 Type II, Grade 1, Class B & C and AASHTO M-235 specifications.

Where to Use

Use as a binder for epoxy mortar for patching and overlays.


  • Tolerant to moisture both before and after cure.
  • Convenient easy mix ratio A:B = 1:1 by volume.
  • Excellent strength development.
  • Low viscosity gives you easy handling, high-yield epoxy mortar.
  • Material is USDA-certifiable for incidental food contact.


  • Prime Coat - approximately 200-250 ft²/gal.
  • Mortar Binder - 1 gal. of mixed Sikadur  21, Lo-Mod LV with the addition of 6 parts by loose volume of an oven-dried sand, yields approximately 924 in3.


4 gallon units. Note: Part A of the Sikadur 22 Lo-Mod, Sikadur 22 Lo-Mod FS and Sikadur 21 Lo-Mod LV is a universal component of these three products.

Additional Documents

Sikadur 21 Lo-Mod LV

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