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Adhesives Technology Crackbond LR 321 Injection Resin 16.5 oz

Brand: Adhesives Technology Mfg#: A16-LR321
Product#: 579A16LR321
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Crackbond LR321 is formulated for use as an injection resin for cracks in structural concrete, masonry & wood. It’s also perfect for epoxy grouting, healing-sealing or as a mortar when mixed with sand. It has the viscosity of light oil and low surface tension, allowing it to deeply penetrate fine cracks. It cures to a solid with no shrinkage, bonds to both surfaces of the crack, bonding the structure back to its original monolithic strength


  • Low viscosity epoxy system ideal for gravity feed crack injection applications
  • Moisture insensitive system-can be used on damp surfaces
  • High strength
  • 100% solids, solvent free system means low VOC content


  • Brand: Adhesives Technology
  • Product Line: Crackbond LR 321
  • Packing Type: Cartridge
  • Color: Clear Part A, Amber Part B
  • Specific Gravity: 1.13 Part A, 0.96 Part B
  • Compressive Strength: 10200 psi
  • Viscosity: 400 cp
  • Flash Point: 200 deg F
  • Application Temperature: 50 - 100 deg F
  • Tensile Strength: 7220 psi
  • Odor/Scent: Slight Part A, Slight Amine Part B
  • Mixing Style: Nozzle
  • Standards: ASTM C881
  • Mixing Ratio: 2:1
  • Form: Liquid
  • Capacity: 16.5 oz
  • Application Method: Spray
  • Applicable Materials: Horizontal Concrete, Masonry, Wood
  • Storage Temperature: 50 - 95 deg F
  • Type: 2-Part, High Modulus, Low Viscosity