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Master Bond (Hackensack, NJ) Supreme 121AOND is a toughened epoxy system for bonding and sealing applications. It is a two component, heat curing system with a thixotropic paste consistency. Supreme 121AOND not only provides excellent chemical resistance, but also offers a high glass transition temperature of 200-210°C. It meets NASA low outgassing specifications per ASTM E595 testing. Specifically:
- This epoxy has reliable electrical insulation properties with a volume resistivity exceeding 1014 ohm-cm at 75°F.
- It possesses high bond strength with a tensile strength of 6,000-7,000 psi and a tensile modulus of 750,000-850,000 psi, at room temperature.
- Supreme 121AOND cures at elevated temperatures and has a long working life of 2-3 days.
- The system bonds well to a wide variety of substrates including glass, fibers, metal, ceramics, rubbers and plastics.
- It is available in standard packaging ranging from ½ pint kits to 5 gallon kits.
www.masterbond.com/properties/flexibilized-and-toughened-adhesive-systems