3M™ FSK facing tape 3320 has a aluminum foil/fiberglass scrim/kraft paper backing with an acrylic adhesive having a kraft paper liner designed for sealing fibrous and sheet metal ducts. The fiberglass scrim provides strong reinforcement and foil backing makes the application inconspicuous.
3M™, 5111531531, Facing Tape, 50 yd Length, 2.83 in Width, 6.7 mil Thickness, Silver, Acrylic Adhesive, Aluminum Foil/Fiberglass Scrim/Kraft Paper Backing, 81 in-oz Adhesion Strength, 40 in-lb Tensile Strength, 175 deg F Maximum Operating, -20 deg F Minimum Operating
| Adhesion Strength | : | 81 in-oz |
| Maximum Operating Temperature | : | 175 deg F |
| Minimum Operating Temperature | : | -20 deg F |
| Tensile Strength | : | 40 in-lb |
| Length | : | 50 yd |
| Width | : | 2.83 in |
| Thickness | : | 6.7 mil |
| Adhesive Material | : | Acrylic |
| Backing Material | : | Aluminum Foil/Fiberglass Scrim/Kraft Paper |
| Color | : | Silver |