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CYCOM® 381

Technical Datasheet | Supplied by Syensqo

CYCOM® 381 by Syensqo is a tough epoxy prepreg resin. It has high 82°C wet mechanical properties, low moisture absorption, and excellent fatigue characteristics. Low processing temperatures, good toughness, and effective compression following impact are all features of this material. Vacuum pressure or oven processing are both options. It is intended for the repair of composite materials as well as for helicopter rotor blades, revolving or cycling components, co-cured aluminum assemblies and parts, doublers, and propellers. At -18°C, CYCOM® 381 has a 12-month shelf life.

CYCOM® 381 Properties

Thermal Properties

Value & Unit

Test Condition

Test Method

Neat Glass Transition Temperature (Dry)

140 °C

Neat Glass Transition Temperature (Wet)

112 °C

Laminate Glass Transition Temperature

127 °C

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