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Brands: Eponal
Specific characteristics: ~~Exterior~~ (1); ~~Suitable on wet substrate~~ (1)
Substrates: PVC
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EPONAL 385

Epoxy resin used as a finishing coat in reinforced coatings

Definitions
PrimerLiquid or paste applied onto a substrate to obtain optimum bonding. It helps regulate the porosity of the substrate (reduce absorption, therefore adhesive usage), increase adhesion to non porous surfaces, improves application properties of later on applied adhesive
Working timeTime between end of waiting time and moment when the application is no longer possible

Uses

EPONAL 385 is a two-component solvent-free epoxy resin used as a finishing coat in waterproofing reinforced coatings.

Benefits

Solvent-free
Free from aromatic amine and benzyl alcohol.
High mechanical performances.

Properties

Physical:

Bostik method N°	Characteristics	Resin (Part A)	Hardener (Part B)	Blended
00.010	Consistency	Thick liquid	Liquid	Thick liquid
00.020	Colour	Beige	Pale yellow	Beige
01.052	Density at +23°C	1.39 – 1.43	0.95 - 1.01	1.25 – 1.32
01.344	Brookfield viscosity at +23°C	128000 - 192000 mPa.s	100 - 300 mPa.s	35000 - 60000 mPa.s
	Mixture ratio : by weight	100	20
06.060	Working time at +23°C for 100 cm3			approx. 5h 30 min
06.060	Pot life* at +23°C for 100 cm3			approx. 3 hours

Mechanical characteristics after 7 days cure at +20°C

HARDNESS	Shore D - after 24 hours - after 4 days - after 5 days	76 78 78
TRACTION	Tensile strength Elongation @ break Young modulus	30.7 ± 2.8 MPa 0.8% ± 0.1% 4100 ± 100 MPa
COMPRESSION	Compressive strength Compression % Young modulus	85.2 ± 1.5 MPa 4.2% ± 0.2% 3400 ± 100 MPa
FLEXION	Flexural strength @ break Bending deflection@ break Flexural modulus Eb	64.3 ± 5.2 MPa 2.5 ± 0.2 mm 4700 ± 360 MPa

Consumption:

EPONAL 385: 1 kg/m²

Shelf life:

Up to 24 months in the original, unopened containers, stored in a dry place between +15°C and +35°C. The product must be protected from frost as it may cause product crystallisation.

Application

Application conditions

Working temperature: +10° to +25°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). 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.

Primer

Apply with a roller one layer of EPONAL 382.

Steel surfaces should be sanded or abrasive blasted to a white metal finish, then degreased with MEK (Methyl Ethyl Ketone). Then apply a coat of EPONAL 382 primer.

Preparation and application of the EPONAL 385 blend
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: not more than 300 rpm in order to avoid air bubbles inclusion). Apply immediately the mixture using a roller or by hot spraying (+30° to +35°C) onto dry primer or cured reinforced lining.

Packaging

Presentation	Bar code	Bostik code
metal kit - 25 kg		167111