LR-321 Formulas Offer Versatility
For Various Crack Injection Applications

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

Features & Advantages

  • 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

Material Properties

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

Other Product Categories

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CRACKBOND LR-321
Part #’s Description
A6-LR321N 6.1 oz. cartridge (180 ml)
A16-LR321 15.9 oz. cartridge (470 ml)
CRACKBOND LR-321G
Part #’s Description
A16-LR321G 15.9 oz. cartridge (470 ml)
CRACKBOND LR-321LPL
Part #’s Description
BUG-LR321LPL 1 gallon kit, 102 oz. (3.0 L)
B15GM-LR321LPL 15 gallon kit (56L)

* Larger packaging available upon request

View Gallery of Available Packaging

Part #’s Description
TM16HD 16 oz. manual dispensing tool
TA16HD-A 16 oz. pneumatic dispensing tool
View Gallery of Dispensing Tools

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Available Packaging

CRACKBOND® LR-321
6.1 oz. cartridge (180 ml)

CRACKBOND® LR-321
15.9 oz. cartridge (470 ml)

CRACKBOND® LR-321G
15.9 oz. cartridge (470 ml)

CRACKBOND® LR-321LPL
102 oz. kit (3 L)

CRACKBOND® LR-321LPL
15 gallon kit (56L)


Dispensing Tools

CRACKBOND® LR-321
16 oz. manual
dispensing tool

CRACKBOND® LR-321
16 oz. pneumatic
dispensing tool