Creative Materials 128-38
- Chemical Family
- Epoxy & Epoxy Derivatives
128-38 is a screen-printable, B-Stageable, one-part epoxy coating and laminating adhesive that maintains hermetic properties up to 170°C. This system features excellent thermal stability, thermal cycle resistance and chemical resistance. Applications include lid attach adhesives, printed circuit board fabrication, advanced material composites, sealing, and high-performance coatings.\nFeatures\nHermetic properties\nB-Stageable
Product families
Applications
- Printed Circuit Boards (PCBs)
Product Families
- Other Adhesives & Sealants
Other characteristics
- Cure Method
- Heat Cure
- Product Type
- 1K (1 component) Adhesive, Epoxy Adhesive
- 1K (1 component) Adhesive
- Epoxy Adhesive
- Application Area
- Hermetic Package
- Application Method
- Screen Coating
- Markets
- Electrical & Electronics
- Shelf Life
- 4 days (at 25°C)
- Cure
- Heat Cure
- Technology
- Ready-to-Use Products
- Procedure
Apply adhesive to substrate. Next apply heat to advance the curing to the slightly tacky stage (when cooled to room temperature). A temperature of 65°C for 15 -30 minutes is required (B-Stage time is mass related). User is encouraged to experiment for optimum drying time at a given temperature. Store on release liner to prevent contamination.
- Curing Guidelines
These temperature and times are presented as a guide only. The end-user is encouraged to experiment to determine optimum curing schedule.
- Application Methods
- Screen Coating
- Certifications and Compliance
- ISO 14001
- ISO 9001
- Ready to Use Product Features
- Chemical Resistant
- Good Hermeticity
- Good Thermal Stability
- High Glass Transition Temperature
- High Modulus
- Long Screen Life
Technical data
Table 1 of 2
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Brookfield Viscosity - HAT Viscometer (at 10 rpm at 25°C) | 65000 | cps |
| Specific Gravity (water = 1) | 1.34 | g/cc |
| Theoretical Coverage(at 0.001" Thickness) | 38 | in^2 |
| Screen Life | min. 6 | hrs |
Table 2 of 2
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Volume Resistivity | 1x 10^16 | Ω - cm |
| Useful Temperature Range | -55 to 170 | ºC |
| Die Shear Strength (2 mm x 2 mm Si die) | 35 | Lb-f |
| Dielectric Constant (at 100 Hz) | 4 | — |
| Hermetic Stability | Good to 170 | °C |
| Glass Transition Temperature | 285 | °C |
