EMI 623 Aluminum Foil Tape
EMI 623 is a high strength dead soft aluminum foil coated tape with a high tack acrylic adhesive system. The foil conforms well to both fibrous and sheet metal ducts, providing an excellent vapor seal. It conforms well around corners and irregular surfaces and includes a release liner. This aluminum foil tape is UL723 Listed (10/10 Flame/Smoke Rating) and US Coast Guard approved.
Applications include: Sealing and joining duct board, sheet metal ducts, FSK systems, and use in HVAC units, ovens, and industrial equipment.
- Excellent vapor seal and conformability around irregular surfaces
- Strong peel adhesion at 40 oz./in. width
| Property | Specification |
| Adhesive Material | Silicone |
| Backing (Carrier) Material | Polyimide |
| Maximum Operating Temperature (Celsius) | 260 °C |
| Maximum Operating Temperature (Fahrenheit) | 500 °F |
| Product Color | Amber, Dark Amber |
| Total Tape Thickness without Liner (Imperial) | 3.3 mil |
| Total Tape Thickness without Liner (Metric) | 0.08 mm |
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