ABABOND EP-20 ABABOND EP-20 | Repair And Strengthening

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ABABOND EP-20

DESCRIPTION

ABABOND EP-20 is a solvent-free, two components concrete bonding agent, based on modified epoxy resins and especially designed hardeners. It provides a bond of far greater strength than the tensile strength of the concrete itself. Therefore, it is suitable for use wherever structural bonding of new to existing concrete is carried out. it meets all the requirements of the standard ASTM C882.

Method

SURFACE PREPARATION

All surfaces must be clean, free from frost standing water and all loosely adhering particles. Cement laitance must be removed and the surfaces to be treated must be mechanically roughened.

MIXING

Mix component A and B separately with a mixing paddle attached to a slow speed electric drill (max. 600 RPM). Add component B to component A and mix with the mixing paddle for 3 minutes until the material becomes smooth in consistency and color. Avoid entrapping air.

APPLICATION

After mixing apply directly to the prepared substrate by brush, roller or spray. On damp surfaces, ensure that it is well brushed in. Pour new concrete within specified open time, as long as material is still tacky.

DOSAGE

The optimum dosage of ABABOND EP-20 to meet specific requirements depends on porosity and roughness of the substrate. the dosage range for normal substrates is from 0.3 to 0.8 kg/m².

APPLICATION CONDITIONS/LIMITATIONS

Substrate Temperature	+ 10 °C - + 30 °C
Ambient Temperature	+ 5 °C - + 25 °C
Material Temperature	+ 15 °C - + 25 °C Condition the material by also storing at this temperature for 24 hours before use.
Dew Point	Substrate temperature during application must be at least 3°C above dew point to avoid condensation.

Properties

ADVANTAGES

Highly effective on damp and dry surfaces
Excellent initial and final mechanical strength
Unaffected by moisture
Easy to apply
Solvent-free

Application

FIELD OF APPLICATION

Bonding new to existing concrete and metals
Anchoring in concrete
prevent water penetration and fix leakages
injectable in concrete cracks
improves bonding cementitious flooring to old concrete

Physical and Chemical Properties

TECHNICAL PROPERTIES

Appearance	Part A: white viscose liquid Part B: black viscose liquid
Mixing Ratio (A:B)	3:1 (by weight)
Density (A+B)	1.4 ± 0.1 g/cm³
Compressive Strength	70 (N/mm²)
Flexural Strength	35 (N/mm²)
Tensile Strength	20 (N/mm²)

Drying Time

Temperature	Touch dry	Full cure
+15 °C	9 hrs	13 days
+25 °C	6 hrs	7 days
+40 °C	4 hrs	4 days

Pot life

Material temperature	+15 °C	+25 °C	+40 °C
Pot life	45 min	30 min	20 min

Considerations

PACKAGING

4 kg set.

STORAGE & SHELFLIFE

The shelf life is 12 months if unopened, stored free from frost, moisture and direct sunlight.

Protection and Safty

HEALTH & SAFETY

This product is Flammable. Keep away from heat and open flame .Keep container closed .Use with adequate ventilation. Avoid prolonged and repeated contact with skin. If used in confined areas, observe the following precautions to prevent hazards of fire or explosion or damage to the health:

Circulate adequate fresh air continuously during application and drying.
Use fresh air masks and explosion proof equipment.
Prohibit all flames, sparks, welding and smoking.

MSDS is available upon request.

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