Bonstone Crack Repair 28


Bonstone Crack Repair 28 is a two-part, medium viscosity cartridge system used for injecting into horizontal wide cracks in stone.  It is a little thicker in viscosity than the Crack Repair 31, but still flows.


Product InformationZero VOC Product

  • Mix Ratio: 2:1 by volume
    Set Time: 3 hrs @ 75°F
  • Structural grade epoxy for injection
  • Meets ASTM C-881, Types I, II, IV, V; Class C, Grade 2
  • Can be tinted with Liquid Tints
  • Use with Small Long Nozzle
  • For best results we suggest using Manual Dual Cartridge Gun
  • Sizes Available: 450ml cartridge


  • Injecting into wide horizontal cracks
  • Bonding new concrete to existing concrete

SDS/TDS available upon request at [email protected]

Additional information

Weight 3 lbs
Technical Data

Mix Ratio = 2:1 by volume Set Time = 3 hrs @ 75°F