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 deg F.
Shurtape® ShurMASTIC® Foil Tape, Series: SF 685 Series, 17 mil Thickness, 3 in Width, 100 ft Length, Silver, Butyl Adhesive, Aluminum Backing, -20 to 200 deg F, 255 in-oz Adhesive Strength, 25 in-lb Tensile Strength, 3 in Core Diameter, Additional Information: 560% Elongation
| Thickness | 17 mil |
| Width | 3 in |
| Length | 100 ft |
| Color | Silver |
| Adhesive Material | Butyl |
| Backing Material | Aluminum |
- 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
SDS