Epoxy Adhesive For Concrete Bonding

New concrete binding to old concrete (code CBA™), is a two-component product with a permanent connection of concrete to concrete and reconstruction of structures in the interior and exterior spaces of the building. This product tolerates some moisture before and during hardening, but it is insoluble in water after hardening. This product is ready to mix and use in predetermined weights. Its adhesion strength is much higher than the tensile strength of concrete. This resin does not shrink and does not add any stress to the concrete.


PRODUCT DESCRIPTION

CBA™ is a binder suitable for bonding fresh cementitious materials to concrete, stone, wood, steel, ceramic and brick. Bonding new concrete to old epoxy base concrete is used on clean, hard and durable surfaces such as: steel, brick or glazed tile, ceramic, mosaic and concrete floors.

Features


  • Excellent adhesion to concrete and most building materials
  • Obtaining excellent initial and final resistances
  • Good tensile strength
  • Stability against impact and wear
  • Compatible with dry and wet substrate
  • It has good moisturizing properties and impregnation of woven and non-woven fibers
  • Low concentration and high penetrating power
  • Insignificant smell and safe for users
  • Easy mixing and long working time
  • Can be applied with a roller or brush

Applications


  • Adhesion of fresh concrete or mortar to hardened concrete vertically and in horizontal applications.
  • Bonding of precast hardened concrete to hardened horizontal concrete
  • Freight applications
  • Buildings, roads, bridges, factories, etc.
  • Dry or damp surfaces
  • For internal or external use
  • Compatible with reinforced concrete
  • Suitable for planting steel rebar in wet holes and as a binder to cover or adjust the height of columns

Packaging


Colour


technical specifications

Physical Properties

Appearance of the product

liquid

Initial setting time

6 hours

final setting time

7 days

Pot life

4 hours

Operating temperature

-35 to 65 ℃‎

Mechanical Properties
Mixing ratio

A:B=100:13

density

1.55Kg/L

compressive strength

60MPa

Tensile strength

20MPa

Adhesion stability

2.5MPa

Flexural strength

30MPa

Application Instructions

Surface preparation

The work surface must be hard and free of loose particles. Dust, cement leachate, oil, grease, curing agent, fats, decomposable materials, and other materials that cause non-adhesion must be cleaned from the surface. Surface preparation can be done by spraying, sub or wire brush methods. Damage, surface holes and empty spaces should be leveled with appropriate repair materials suggested by the designer to save on glue consumption. Also, the work surface must be dry before implementation. Before performing CBA™, the desired surface should be cleaned using an electric vacuum cleaner. If pressurized water is used for preparation, make sure that there is no free water on the surface.

Product installation

Mix component A and component B separately with a mixer at low speed. Pour the entire amount of component B into component A and gently mix mechanically for 3-5 minutes until a uniform color is obtained. To prepare smaller volumes, pour one volume of part B with 2 parts of volume A in a clean mixer container and mix properly. Always mix a certain amount of resin that is consumed within the desired performance time. Apply a thin layer of CBA™ product evenly on the surface using a roller or metal brush, so that all surfaces are completely covered.

Guide to Quality Control (QC)

Mixing of resins should be done according to the procedure recommended by the manufacturer according to the technical specifications of the project. All the components of the resin must be mixed at the right temperature and in sufficient quantity until the material reaches a uniform state.
The glue should not be applied at a temperature lower than 5 degrees Celsius.
Do not dilute the product with solvent because it causes a drop in resistance.
The age of the substrate concrete should be between 21 and 28 days, which depends on its curing and drying conditions.

technical documents

Technical Data Sheet (TDS)

Download

Safety Data Sheet (SDS)

Download

Drawings

Download

Photo Gallery

Frequently Asked Questions

What is the usage of connecting new concrete to old concrete?

When there is a delay in concreting and a part of the concrete hardens earlier, standard conditions must be provided to connect the previous concrete with the new concrete; For this purpose, as well as for the cohesion of different parts of concrete, concrete bonding glue is used.

What is the physical property of concrete bonding glue?

This product tolerates some moisture before and during hardening, but it is insoluble in water after hardening.

What are the characteristics of concrete bonding adhesives?

Concrete bonding adhesives do not shrink and do not add any stress to the concrete.

Are concrete bonding adhesives used only for this purpose?

No, these adhesives are also suitable for planting steel bars.

What is the weight of concrete bonding adhesives?

The specific weight of the mixture of these adhesives is 1.55 Kg/L.

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