Saint-Gobain® CHR® C661 Copper Foil Tape
CHR® C661 Copper Foil Tape utilizes an electrically deposited copper foil backing with an acrylic pressure-sensitive adhesive. It is specifically designed to provide electrical conductivity, conformability, and EMI/RFI shielding for high-performance electrical and electronic applications.
Applications include: A variety of markets including electronics, electrical, transportation, aerospace, and general industrial applications requiring specialty shielding for IC chips, electrical cabinets, cables, motors, and static dissipation where EMI/RFI protection is required.
- Electrically deposited copper foil provides reliable EMI/RFI shielding performance
- Acrylic pressure-sensitive adhesive allows easy application and consistent adhesion
- Conformable construction supports bonding to irregular or uneven surfaces
- Release liner supports precision die cutting and converting
- Designed to seal components against radiating or leaking electromagnetic interference
- Solvent resistance for durability in demanding environments
- Recognized under UL component program Guide OANZ2, File E51201
- Meets UL510 flame-retardant specifications
| Property | Specification |
| Backing (Carrier) Material | 1.5 mil copper foil |
| Adhesive Material | 2.0 mil Acrylic |
| Total Thickness (Imperial) | 3.5 mil |
| Total Thickness (Metric) | 0.089mm |
| Adhesion to Steel (D3330) | 80 oz/in |
| Tensile Strength (kPa) | 483 kPa |
| Tensile Strength (PSI) | 70 psi |
| Elongation at Break | 16% |
| Shielding Effectiveness (Average 300kHz - 2.5GHz) | |
| Product Color | Copper |
| Insulation Resistance | |
| Certifications | UL 510 Recognized (File E51201) |
| Maximum Operating Temperature (Celsius) | 121 °C |
| Maximum Operating Temperature (Fahrenheit) | 250 °F |
| Minimum Operating Temperature (Celsius) | -40 °C |
| Minimum Operating Temperature (Fahrenheit) | -40 °F |
