PERMABOND MT382
Harmonization Code : 3904.61.00.00 | Polytetrafluoroethylene plates / sheets / film / tape / strip, self-adhesive, in rolls
Main features
- Self-Leveling Electronic Potting
- Extended 20-50 Minute Pot Life
- High-Elongation Modified Epoxy
Product Description
Permabond MT382 is a two-part, self-leveling modified epoxy adhesive for sealing, bonding, electronic potting, and encapsulation. The system mixes 2:1 by volume and combines a 20-50 minute pot life at 25 deg C with a 105-120 minute handling time. Part A is a black epoxy resin and Part B is a yellow polyamine hardener, producing a charcoal-black mixed material. The cured epoxy provides 150-200% elongation, 140-160 N/25 mm peel strength on aluminum, and 0.47 W/(m K) thermal conductivity. Applications include nylon, ABS, polycarbonate, other supported plastics, and metal assemblies.
Key features
- Self-Leveling Potting: Flows for electronic potting, encapsulation, sealing, and bonding.
- Extended Processing Window: Provides a 20-50 minute pot life at 25 deg C.
- Flexible Cured Epoxy: Provides 150-200% elongation with 140-160 N/25 mm aluminum peel strength.
Applications
Applications include electronic potting and encapsulation, sealing, and bonding of nylon, ABS, polycarbonate, other supported plastics, and metal assemblies.
Technical Specifications
No specifications available.
Additional Information
As supplied / before processing
Part A and Part B values are shown separately; processing values apply after the stated mix ratio.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Part A viscosity | 32,000 | mPa s | At 25 deg C |
| Part B viscosity | 300 | mPa s | At 25 deg C |
| Specific gravity | Part A: 1.3; Part B: 1.0 | As supplied | |
| Mix ratio | 2:1; 130:50 | By volume; by weight | |
| Maximum gap fill | 0.5 | mm | Typical curing property |
| Usable / pot life | 20-50 | minutes | At 25 deg C |
| Handling time | 105-120 | minutes | To 0.1 N/mm2 at 25 deg C |
| Full cure | >=72 | hours | At 25 deg C |
After processing / final state
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Hardness | 55-85 Shore A; 20-30 Shore D | ISO 868 | |
| Elongation at break | 150-200 | % | ISO 37 |
| Peel strength - aluminum | 140-160 | N/25 mm | ISO 4578 |
| Thermal conductivity | 0.47 | W/(m K) | Typical cured value |
| Coefficient of thermal expansion | 112 x 10^-6; 170 x 10^-6 | m/m/deg C | Below Tg; above Tg |
| Glass transition temperature, Tg | -35 | deg C | Typical cured value |
