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EP21TPHT by Master Bond is a two component epoxy polysulfide system for bonding, sealing, coating and encapsulating applications. It offers good hardness, elongation, flexibilty, superior electrical insulation with easy processing. It is brushable, easy to apply and has low shrinkage upon curing.
- It provides resistance to chemicals like water, gasoline, fuels, oils, hydrocarbons, hydraulic fluids & lubricants.
- It exhibits excellent toughness to withstand rigorous thermal cycling as well as mechanical and thermal shocks.
- It bonds well with to a variety of substrates, including metals, glass, ceramics, many rubber and plastics.
- It is used in aerospace, electronic, electrical and specialty OEM applications.
- It has a shelf life of 6 months in syringes and 1 year in cans at 75°F.
- EP21TPHT is RoHS complaint.
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EP21TPHT properties
Electrical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Dielectric Constant | 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 |
|---|---|---|---|
| Hardness, Shore D | 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 Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 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 |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CTE, Linear | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Service Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |



