Clear Coat Epoxy with Cycloaliphatic Polyamine – Chemical and Heat Resistance

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ARADUR^® 355 Hardener is a modified cycloaliphatic polyamine adduct and is used as a high performance hardener for epoxy resins well suited for application in coatings and linings for a variety of environments.

Formula Properties

Formula w/ ARALDITE GY 6010 Bisphenol-A liquid epoxy resin

Mix viscosity @ 23°C, cPs ………… > 3,600
Gel time, 100 g, 23°C (min) …….. 27

Curing Properties @ 23°C / 50% Relative Humidity
Tack-Free Time, (hours) ……………. 2.5
Cure-through time (hr) ……………… 3.0
Film Appearance……………………….. Semi-Gloss, exudate

Curing Properties 5°C / 80% Relative Humidity
Tack-Free Time, (hours) ……………. 7.0
Cure-through time (hr) ……………… 14
Film Appearance ……………………….. Semi-Gloss, tacky

Coating properties after 7 day cure at 23°C, Dry film thickness, 10-11mil
Glass Transition temperature, Tg (°C) …….. 54
Pencil hardness …………………………………… 3H
Cross hatch adhesion …………………………… 4
Impact (direct/reverse), in.-lbs ……………… 4/0

Formula w/ ARALDITE PY 313 Reactive diluent modified bis A / F epoxy resin blend

Mix viscosity @ 23°C, cPs ………… 850
Gel time3, 100 g, 23°C (min) …….. 44

Curing Properties @ 23°C / 50% Relative Humidity
Tack-Free Time, (hours) ……………. 4.0
Cure-through time (hr) ……………… 11.5
Film Appearance……………………….. Glossy, exudate

Curing Properties 5°C / 80% Relative Humidity
Tack-Free Time, (hours) ……………. 11.5
Cure-through time (hr) ……………… 17
Film Appearance ……………………….. Matte, tacky

Coating properties after 7 day cure at 23°C, Dry film thickness, 10-11mil
Glass Transition temperature, Tg (°C) …….. 50
Pencil hardness …………………………………… H
Cross hatch adhesion …………………………… 5
Impact (direct/reverse), in.-lbs ……………… 10/0

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