What is the date stamp on the current rolls of this tape?

My roll of Nashua foil tape is so old it does not have a date on it. I bought it in 1993, and I just used the last of it yesterday (11/26/2019) on a duct, and it worked perfectly. I will be buying more.

Is it flame resistant

Nashua 324A is UL181A & UL181B-FX listed; however it does not meet any flammability requirements such as FAR 25.853.

Thank you for your question. Nashua 324A is definitely moisture resistant but would not be considered waterproof. It is designed for sealing rigid sheet metal, fiberglass duct board, and flexible duct connections used in residential, multi-family, and light commercial construction.

How hot can this get?

really hot. I use it to block out the air for my air conditioner. I t gets 120 her in Arizona.

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Nashua 324A Cold Weather Premium Foil Tape, 4.8 mil Thick, 60 yards Length x 2-1/2" Width, Silver by Nashua

Product ID: 77234160

Details

Brand
Nashua
Colour
Silver
Special feature
Printed
Surface recommendation
Glass Metal
Water resistance level
Not Water

📏4.8 mil thickness for durability

🔥Operates up to 325°F

🧊Cold-weather adhesive (-10°F application)

95632CFA

Duties & taxes included

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Description

🛠️ Seal the deal with premium cold-weather foil tape that never quits!

LONG LASTING DURABILITY - 27 lbs tensile strength and 68 oz/in adhesion deliver permanent, flexible seals that endure.
ECO CONSCIOUS LEED FRIENDLY - Low VOC content supports green building credits EA 1 & EQ 4.1 for energy and air quality.
EASY HANDLING WITH KRAFT LINER - Natural Kraft paper liner ensures smooth unwind and precise application every time.
UL CERTIFIED FOR HVAC EXCELLENCE - Meets UL 181 A-P & B-FX standards ensuring trusted, code-compliant duct sealing.
UNMATCHED COLD WEATHER PERFORMANCE - Aggressive acrylic adhesive sticks strong even below freezing, perfect for winter HVAC jobs.

Nashua 324A Cold Weather Premium Foil Tape is a 4.8 mil thick aluminum foil tape engineered for HVAC professionals needing reliable, UL-certified duct sealing in extreme temperatures from -20°F to 325°F. Featuring a high-performance cold-weather acrylic adhesive protected by a Kraft paper liner, it offers superior adhesion, tensile strength, and durability. This eco-friendly tape supports LEED credits and is ideal for permanent flexible seals on fiberglass duct board, flexible air ducts, and rigid sheet metal, making it a must-have for energy-efficient, code-compliant installations.

Specifications

ASIN	B0015V93KG
Brand	Nashua
Colour	Silver
Compatible Material	Acrylic, Aluminium, Cardboard, Metal, Stainless Steel
Country Of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (85)
Global Trade Identification Number	00742366009753
Item Thickness	4.8 Mils
Item Weight	454 g
Manufacturer	Nashua
Manufacturer Part Number	324A/SI2560
Model Number	324A/SI2560
Other Special Features of the Product	Printed
Surface Recommendation	Glass, Metal, Plastic
Tensile Strength	27 Pounds Per Inch
UPC	742366009753 696335202358
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant

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