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Pyralux® HXC black coverlay features Kapton® MBC matte black polyimide film, for high performance applications where design aesthetics are critical. This product is coated on one side with a proprietary B-staged modified epoxy adhesive. Pyralux® HXC can be used to encapsulate etched details in flexible and rigid-flex multilayer constructions for environmental protection and electrical insulation. Black coverlay is also commonly used to enhance circuit aesthetics and improve LED lighting controls in specialty applications.
| Property Group | Property Name | Value | Test Method |
|---|---|---|---|
| Dielectric | Dielectric Constant (Dk) 10GHz | 3.6 | ASTM D2520 / IPC-TM-650 2.5.5.3 |
| Dielectric Constant (Dk) 1MHz | 3.7 | ASTM D2520 / IPC-TM-650 2.5.5.3 | |
| Dielectric Strength (V/μm) | ASTM D149 | ||
| Loss Tangent (Df) 10GHz | 0.054 | ASTM D2520 / IPC-TM-650 2.5.5.3 | |
| Loss Tangent (Df) 1MHz | 0.012 | ASTM D2520 / IPC-TM-650 2.5.5.3 | |
| Electrical / Insulation | Surface Resistance (Ω) | >1x10^12 | IPC-TM-650 2.5.17 |
| Volume Resistivity (Ω・cm) | >1x10^14 | IPC-TM-650 2.5.17 |
| Property Name | Form Factor | Package | Adhesive Type | Coverlay Color | Dielectric Thickness (μm) | Dielectric Thickness (mil) | Adhesive Thickness (μm) | Adhesive Thickness (mil) |
|---|---|---|---|---|---|---|---|---|
| HXC1215 | Coverlay | Roll | Epoxy | Black | 12.5 | 0.50 | 15.0 | 0.6 |
| HXC1220 | Coverlay | Roll | Epoxy | Black | 12.5 | 0.50 | 20.0 | 0.8 |
| HXC1225 | Coverlay | Roll | Epoxy | Black | 12.5 | 0.50 | 25.0 | 1.0 |
| HXC2525 | Coverlay | Roll | Epoxy | Black | 25.0 | 1.00 | 25.0 | 1.0 |