NASHUA
NASHUA 330X All Weather Foil Tape 48mm x 46m Silver electrician tool
All-weather aluminum foil tape with acrylic adhesive, 48 mm wide by 46 m long, rated from -35 °F to 260 °F and meeting UL 723 and FAR 25.853(a) standards
- All-weather durability from -35 °F to 260 °F
- 46 m roll covers large duct runs with fewer seams
- UL 723 and FAR 25.853(a) compliance meets fire-safety codes
- 14 lb/in tensile strength resists tearing under stress
- 55 oz/in acrylic adhesive bonds firmly to metal and flex duct
HVAC foil tape for wide-temperature sealing
This Nashua 330X roll uses an aluminum backing with an acrylic adhesive to seal ductwork and insulation. It performs continuously from minus 35 degrees Fahrenheit up to 260 degrees Fahrenheit. The tape meets UL 723 and FAR 25.853(a) standards for flame and smoke performance.
Check surface and temperature range before ordering
Ensure the substrate is clean, dry and free of oil so the 55 ounces per inch adhesive can bond properly. Verify that the operating environment stays within the listed minimum and maximum temperatures. Confirm that a 48 millimetre width and 46 metre length suit the joint dimensions you plan to cover.
Replaces cloth or rubber tapes that fail
The 3.50 mil thickness and 14 pounds per inch tensile strength resist tearing during installation and service. Upgrade when existing tape delaminates, cracks or loses adhesion under thermal cycling. The aluminum backing also provides a vapour barrier that many general-purpose tapes lack.
Highlights
- All-weather durability from -35 °F to 260 °F
- 46 m roll covers large duct runs with fewer seams
- UL 723 and FAR 25.853(a) compliance meets fire-safety codes
- 14 lb/in tensile strength resists tearing under stress
- 55 oz/in acrylic adhesive bonds firmly to metal and flex duct
Specifications
| Brand | NASHUA |
|---|
Questions about this item
Does the roll include a dispenser or must I supply my own cutter?
The tape comes as a continuous roll only; no dispenser or cutter is included.
How do I choose between the 48 mm width and other sizes for duct sealing?
This roll is 48 mm wide and 46 m long; select it when that width matches the joint or seam you are covering.
Will the 14 lb./in. tensile strength hold a typical rectangular duct joint?
The tape delivers 14 lb./in. tensile strength and 55 oz./in. adhesion, rated from -35 °F to 260 °F, meeting UL 723 and FAR 25.853(a) for duct and aerospace use.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.



