| Additional Information | : | Red Legend/Print Color |
| Adhesive Material | : | Butyl Rubber |
| Adhesive Strength | : | 255 in-oz |
| Backing Material | : | Aluminum Foil |
| Color | : | Silver |
| Core Diameter | : | 3 in |
| Length | : | 100 ft |
| Series | : | SF 685 Series |
| Temperature Rating | : | 35 to 110 deg F |
| Tensile Strength | : | 25 in-lb |
| Thickness | : | 17 mil |
| Width | : | 3 in |
ShurMASTIC® butyl foil tape for indoor or outdoor use to seal Class 1 Flex Duct, sheet metal and duct wrap vapor barriers, and is also approved for subgrade application on PVC-coated duct. SF 685 is a linered, paintable foil mastic on a roll that's tested in accordance with UL 723 and delivers permanent, airtight and water-resistant seals in temperatures up to 200 F.
Shurtape® ShurMASTIC® Foil Tape, SF 685 Series, 17 mil Thickness, 3 in Width, 100 ft Length, Silver, Butyl Rubber Adhesive, Aluminum Foil Backing, 35 to 110 deg F, 255 in-oz Adhesive Strength, 25 in-lb Tensile Strength, 3 in Core Diameter, Additional Information: Red Legend/Print Color
- Indoor/outdoor mastic foil tape
- Linered
- Stays supple and forms a permanent bond to substrate
- Paintable with paint recommended for aluminum
- Contains no asbestos, CFCs or PCBs