Concrete Crack Repairing System

Crack grouting epoxy adhesive, crack seal epoxy adhesive, surface leveling adhesive.

Concrete Crack Leveling Epoxy Adhesive CrackChor 430

Crack Repair Leveling Epoxy Adhesive Item # CrackChor 4[more]


Crack Repair Leveling Epoxy Adhesive

Item # CrackChor 430

Mixing Ratio: 3:1



100% solids, two-component, cohesion response structural reinforcement materials.Using copolymer as the basic raw material, this product is made of 100% solid modified epoxy resin and related curing agent. no pungent smell, Eco-friendly, pollution-free.


Range of Application 

Sealing, repairing and leveling for the small cracks on the surface of concrete

Sealing the crack surface and the opening of grouting

Sealing the cracks around during grouting and bonding the steel board.

Caulking and sealing of the cracks

Repairing the cracks on the beams, poles and floors of new and old buildings,together with crack adhesive.



Easy for handling and scraping

High adhesive strength, without flow;

High moist surface adhesion, dry loop;

High self strength and bonding strength with concrete

Good aging resistance and corrosion resistance to media.


Product performance

1. Basic parameters

   1) Appearence

     Part A (main): White cream

     Part B (hardener): Grey cream

   2) Mixed Viscosity: 10-12 Pa.s

   3) Hardened density: 1.50±0.10g/cm3

   4) Available handling time: (25℃): ≥30min

   5) Shelf time: 24 months


Testing project



Gel Performance  according to GB50728-2011 standard


Tensile Strength (MPa)

≥30 Mpa

33.8 Mpa

Tensile modulus of elasticity MPa

3200 Mpa

4194 Mpa


1.2 %

1.27 %

Bending Strength (MPa)

≥45 Mpa

(no fragment damage)

55.2 Mpa

Compressive Strength (MPa)


73.2 Mpa

Bonding Capacity  according to GB50728-2011 standard

Steel-Steel Tensile Shear Strength (MPa)

≥15 Mpa

18.0 Mpa

Steel-Steel bonding tensile strength (MPa)

≥33 Mpa

34.7 Mpa

Steel-Steel T-peeling strength (MPa)



Steel to C45 Concrete cohesive pulling strength (MPa)

≥2.5 Mpa

(Concrete cohesion damage)

3.3 Mpa

Heat transform temperature



Non-volatile content

≥99 %

99.5 %


According to China National Standard GB50728-2011


Packaging and Logistics

1.  Two components in separate package, A:B=3:1  20kgs/bucket

2.  Shall be stored in cool (under 25℃), dry and ventilated place, not exceed 1 year.




Warm Part A and B in 60-80℃ water if temperature is low, to reduce its viscosity

Get Part A and B separately by container, take 3 part a in container first and 1 part B, then mixed completely

If touched by skin, please treated by using acetone in first and then washed by water.

Must wear glove, mask and other safety products during processing.


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