Supreme 121AO by Master Bond is a thermally-conductive epoxy (EP) system. Exhibits good electrical insulation, long open time and high glass transition temperature. Provides good strength, low shrinkage, good flow, toughness and good dimensional stability. Shows good temperature- and thermal cycling resistance. Resists many chemicals, such as acids, bases, fuels and oils. It bonds good with metals, composites, glass, rubbers and plastics. Used for potting, encapsulation, aerospace, electronic, opto-electronic and OEM applications. The shelf life of Supreme 121AO is 6 months. Meets RoHS and NASA Low Outgassing specifications.
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Supreme 121AO properties
Electrical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Volume Resistivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volume Resistivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Compressive Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore D | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Lap Shear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Solid Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Glass Transition Temperature (Tg) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Service Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Thermal Conductivity | 0.0 Visible After Login | Visible After Login | Visible After Login |