Technical Data Sheet (TDS)

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EPONAL 380

Epoxy adhesive for structural strengthening

Uses

EPONAL 380 is a two-component solvent-free epoxy adhesive suitable for:
  • bonding Hypalon and soft PVC to concrete
  • horizontal embedding of steel / concrete
  • bonding concrete elements 
 

Benefits

  • Solvent-free
  • Excellent adhesion to concrete, Hypalon and soft PVC (after use of special primer) 
  • High mechanical strength
  • Easy to apply
  • Application is possible on damp non saturated substrates
 

Properties

Physical:

Bostik Method
Characteristics
Resin
(Part A)
Hardener
 (Part B)
Blended
00.010
Consistency
Paste
Paste
Paste
00.020
Colour
White
Black
Grey
01.052
Specific gravity at 23°C
1.39-1.49
1.52-1.62
1.45-1.55
01.344
Brookfield viscosity HAT, spindle D, 5 rpm, at +23°C
300 000 - 550 000
  mPa.s
160 000 -
360 000
 mPa.s
200 000 -
450 000
 mPa.s
 
Mixing ratio:        
 - by weight
 - by volume

100
1

100
1
 
 06.060
Pot life at +23°C for 100 cm3
 
 
1 h 30 min
to 3 hours
 
Mechanical properties after 7 days cure at 20°C
 
 
HARDNESS
Shore D
- after 24 hours
- after 2 days
- after 7 days

80
82
83
 
TRACTION
(1mm/min)
Tensile strength @ break
Elongation @ break
E-Modulus (0.2%)
29.5 ± 1.0 MPa
0.65% ± 0.1%
4940 ± 170 MPa
 
COMPRESSION
(1mm/min)
Compressive strength
Compression %
E-modulus (0.2%)
83.0 ± 1.6 MPa
4.3% ± 0.3%
4200 ± 150 MPa
 
FLEXION
(2mm/min)
Flexural stress
Maximum flexure
Modulus Eb
48 ± 4 MPa
2.5 ± 0.1 mm
5050 ± 450 MPa
 

Consumption:

EPONAL 380: 1.5kg/m² depending on substrate roughness and state

Safety:

Wear safety glasses, protective gloves and clothing.

Shelf life:

Up to 24 months in the original, unopened containers, stored in a dry place between +5°C and +25°C.

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Application

Application conditions
Working temperature: +10° to +30°C
Relative humidity: maximum 80%
Substrate temperature must always be at least 3°C above the dew point temperature during application and cure.
 
Surface preparation
Preparation should be in accordance with building standards. Surfaces must be clean, sound, dry, of adequate compressive and tensile strength (at least 25 MPa and 1.5 MPa respectively after 28 days cure for new concrete) and without hydrostatic counter-pressure. They must be free from laitance, clean and free from dust, grease, curing compounds or any other contaminants that would inhibit proper bond. Depending on surface condition and type, substrates are treated by abrasive blasting, mechanical planing, scabbing, sandblasting, high pressure water washing or chemical stripping. After mechanical treatment of a subfloor, thoroughly vacuum all dust.
Hypalon strips should be degreased with MEK (Methyl Ethyl Ketone), soft PVC should be primed before bonding.
 
Application of EPONAL 380 
Slowly add the hardener into resin (components A + B) while mixing, mix thoroughly for 2 to 3 minutes with an electric drill and mixing paddle (speed: 200-300 rpm in order to avoid air bubbles inclusion) until uniform colour is obtained. Apply immediately the mixture with a trowel onto the concrete substrate, then bond Hypalon strips (degreased with MEK) or soft PVC (primed with XPU 18144 R / 460B system).

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Packaging

Presentation Bar code Bostik code
metal kit - 1 kg 160210
cartridge - 400 ml 165530
metal kit - 5 kg 160211

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