ARALDITE MY721
Harmonization Code : 3910.00.00.90 | Silicones in Primary Forms; Others
Main features
- Low-Viscosity Reinforcement Wet-Out
- Long Processing Pot Life
- High-Temperature Composite Performance
Product Description
ARALDITE MY 721 Epoxy Resin is a clear brown liquid tetrafunctional glycidylamine resin component for high-temperature composite systems. Typical viscosity is 3,000 to 6,000 cP at 50 deg C, with density of 1.15 to 1.18 g/cm^3 at 25 deg C, providing a low-viscosity processing profile for reinforcement wet-out. Used with ARADUR 5200, the resin supports filament winding with long pot life at processing temperatures and high glass-transition temperatures after the specified cure. Applications include aerospace, spacecraft, high-performance composite parts, and industrial composites. Final mechanical and thermal properties remain tied to the selected hardener, formulation, specimen, and cure schedule.
Key features
- Low-viscosity processing profile: Typical viscosity is 3,000 to 6,000 cP at 50 deg C for reinforcement wet-out.
- Long processing pot life: The MY 721/ARADUR 5200 system provides extended working time at processing temperatures.
- High-temperature composite system: The specified formulation develops high glass-transition temperatures after cure.
Applications
Filament winding for aerospace, spacecraft, high-performance composite parts, and industrial composites in specified MY 721 systems.
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Physical Properties
Electrical Properties
Additional Information
As-supplied / before-processing properties
Typical MY 721 resin-component data.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Appearance | Clear brown liquid | - | As supplied |
| Density | 1.15 to 1.18 | g/cm^3 | 25 deg C |
| Viscosity | 3,000 to 6,000 | cP | 50 deg C |
| Epoxy equivalent weight | 111 to 117 | g/eq | Product value range |
