Shurtape SF 685 ShurMASTIC Butyl Foil Tape

Product Description

The Shurtape SF 685 ShurMASTIC butyl foil tape is suitable for both indoor and outdoor use. It seals Class 1 Flex Duct, sheet metal, and duct wrap vapor barriers effectively. This tape is approved for subgrade application on PVC-coated duct, providing permanent, airtight, and water-resistant seals. It can withstand temperatures up to 200 degrees Fahrenheit and has passed UL 723 testing.

• Suitable for indoor and outdoor applications.
• Forms a strong bond for lasting performance.
• Can be painted with appropriate aluminum paint.

Product Highlights

This tape is designed to perform under various conditions, making it ideal for HVAC applications.

Product Information

Standard Information

• Product Nomenclature: SF 685
• Backing: Printed, 2 mil aluminum foil

Technical Specifications

• Adhesive: Non-flammable butyl rubber
• Adhesion to Stainless Steel: 255 oz/in width
• Application Temperature Range: 35 F to 110 F
• Elongation: 560%
• Service Temperature Range: -20 F to 200 F
• Tensile Strength: 25 lbs/in width
• Thickness: 17 mils
• Width: 3 in
• Length: 100 ft
• Flame Spread Index: 20
• Smoke Development Index: 40
• Core Diameter: 3 inches
• Package Quantity: 16 rolls per case
• Series: SF 685
• Adhesive Type: Butyl Rubber
• Temperature Rating: -20 to 200 Deg F